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authorobrien <obrien@FreeBSD.org>2000-04-18 07:31:36 +0000
committerobrien <obrien@FreeBSD.org>2000-04-18 07:31:36 +0000
commit6d573144b323d585e9999b045a7cdfb0f3f8d491 (patch)
tree6f3237f7547194d4258d65f1e1ecc234ebd3692f
parenta0eba154d3e138792cbfc004135e7ab7310e0e6a (diff)
downloadFreeBSD-src-6d573144b323d585e9999b045a7cdfb0f3f8d491.zip
FreeBSD-src-6d573144b323d585e9999b045a7cdfb0f3f8d491.tar.gz
Upgrade csh.
Diffstat
-rw-r--r--bin/csh/Makefile58
-rw-r--r--bin/csh/alloc.c130
-rw-r--r--bin/csh/char.c316
-rw-r--r--bin/csh/char.h97
-rw-r--r--bin/csh/config.h153
-rw-r--r--bin/csh/config_p.h153
-rw-r--r--bin/csh/const.c167
-rw-r--r--bin/csh/csh.c1362
-rw-r--r--bin/csh/csh.h551
-rw-r--r--bin/csh/dir.c933
-rw-r--r--bin/csh/dir.h46
-rw-r--r--bin/csh/dol.c991
-rw-r--r--bin/csh/err.c411
-rw-r--r--bin/csh/exec.c746
-rw-r--r--bin/csh/exp.c712
-rw-r--r--bin/csh/extern.h339
-rw-r--r--bin/csh/file.c685
-rw-r--r--bin/csh/func.c1520
-rw-r--r--bin/csh/glob.c961
-rw-r--r--bin/csh/hist.c188
-rw-r--r--bin/csh/init.c139
-rw-r--r--bin/csh/lex.c1643
-rw-r--r--bin/csh/misc.c424
-rw-r--r--bin/csh/parse.c702
-rw-r--r--bin/csh/pathnames.h42
-rw-r--r--bin/csh/proc.c1362
-rw-r--r--bin/csh/proc.h102
-rw-r--r--bin/csh/sem.c650
-rw-r--r--bin/csh/set.c847
-rw-r--r--bin/csh/str.c472
-rw-r--r--bin/csh/tc.defs.c2709
-rw-r--r--bin/csh/time.c321
32 files changed, 3059 insertions, 16873 deletions
diff --git a/bin/csh/Makefile b/bin/csh/Makefile
index 3ebbb1e..19ba1e1 100644
--- a/bin/csh/Makefile
+++ b/bin/csh/Makefile
@@ -6,36 +6,66 @@
#
# To profile, put -DPROF in DEFS and -pg in CFLAGS, and recompile.
+TCSHDIR= ${.CURDIR}/../../contrib/tcsh
+.PATH: ${TCSHDIR}
+
PROG= csh
-DFLAGS=-DBUILTIN -DFILEC -DNLS -DSHORT_STRINGS
-CFLAGS+=-I${.CURDIR} -I. ${DFLAGS}
-SRCS= alloc.c char.c const.c csh.c dir.c dol.c err.c exec.c exp.c file.c \
- func.c glob.c hist.c init.c lex.c misc.c parse.c printf.c proc.c \
- sem.c set.c str.c time.c const.h errnum.h
-.PATH: ${.CURDIR}/../../usr.bin/printf
+DFLAGS= -D_PATH_TCSHELL='"${DESTDIR}/bin/${PROG}"'
+CFLAGS+= -I${TCSHDIR} -I${.CURDIR} -I. ${DFLAGS}
+SRCS= sh.c sh.dir.c sh.dol.c sh.err.c sh.exec.c sh.char.c \
+ sh.exp.c sh.file.c sh.func.c sh.glob.c sh.hist.c sh.init.c \
+ sh.lex.c sh.misc.c sh.parse.c sh.print.c sh.proc.c sh.sem.c \
+ sh.set.c sh.time.c sh.h sh.char.h sh.dir.h sh.proc.h
+SRCS+= sh.decls.h glob.c glob.h mi.termios.c mi.wait.h mi.varargs.h
+SRCS+= tw.decls.h tw.h tw.help.c tw.init.c tw.parse.c tw.spell.c \
+ tw.comp.c tw.color.c
+SRCS+= ed.chared.c ed.decls.h ed.defns.c ed.h ed.init.c ed.inputl.c \
+ ed.refresh.c ed.screen.c ed.xmap.c ed.term.c ed.term.h
+SRCS+= tc.alloc.c tc.bind.c tc.const.c tc.decls.h tc.disc.c \
+ tc.func.c tc.os.c tc.os.h tc.printf.c tc.prompt.c \
+ tc.sched.c tc.sig.c tc.sig.h tc.str.c sh.types.h tc.vers.c tc.wait.h \
+ tc.who.c tc.h
+SRCS+= tc.defs.c
MAN1= csh.1
# MLINKS for Shell built in commands for which there are no userland
# utilities of the same name are handled with the associated manpage,
# builtin.1 in share/man/man1/.
-CLEANFILES+=const.h errnum.h
+DPADD+= ${LIBNCURSES} ${LIBCRYPT}
+LDADD+= -lncurses -lcrypt
+
+csh.1: tcsh.man
+ ln -sf ${.ALLSRC} ${.TARGET}
+
+GENHDRS+= ed.defns.h tc.const.h sh.err.h
+SRCS+= ${GENHDRS}
+CLEANFILES+= ${GENHDRS}
-const.h: errnum.h
+ed.defns.h: ed.defns.c
+ @rm -f ${.TARGET}
+ @echo '/* Do not edit this file, make creates it. */' > ${.TARGET}
+ @echo '#ifndef _h_ed_defns' >> ${.TARGET}
+ @echo '#define _h_ed_defns' >> ${.TARGET}
+ grep '[FV]_' ${TCSHDIR}/ed.defns.c | grep '^#define' >> ${.TARGET}
+ @echo '#endif /* _h_ed_defns */' >> ${.TARGET}
-errnum.h: err.c
+sh.err.h: sh.err.c
@rm -f ${.TARGET}
@echo '/* Do not edit this file, make creates it. */' > ${.TARGET}
- @echo '#ifndef _h_sh_error' >> ${.TARGET}
- @echo '#define _h_sh_error' >> ${.TARGET}
+ @echo '#ifndef _h_sh_err' >> ${.TARGET}
+ @echo '#define _h_sh_err' >> ${.TARGET}
egrep 'ERR_' ${.ALLSRC} | egrep '^#define' >> ${.TARGET}
- @echo '#endif /* _h_sh_error */' >> ${.TARGET}
+ @echo '#endif /* _h_sh_err */' >> ${.TARGET}
-const.h: const.c
+tc.const.h: tc.const.c sh.char.h config.h config_f.h sh.types.h sh.err.h
@rm -f ${.TARGET}
@echo '/* Do not edit this file, make creates it. */' > ${.TARGET}
- ${CC} -E ${CFLAGS} ${.ALLSRC} | egrep 'Char STR' | \
+ @echo '#ifndef _h_tc_const' >> ${.TARGET}
+ @echo '#define _h_tc_const' >> ${.TARGET}
+ ${CC} -E ${CFLAGS} ${.ALLSRC} -D_h_tc_const | egrep 'Char STR' | \
sed -e 's/Char \([a-zA-Z0-9_]*\)\(.*\)/extern Char \1[];/' | \
sort >> ${.TARGET}
+ @echo '#endif /* _h_tc_const */' >> ${.TARGET}
.include <bsd.prog.mk>
diff --git a/bin/csh/alloc.c b/bin/csh/alloc.c
deleted file mode 100644
index 1653329..0000000
--- a/bin/csh/alloc.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/*-
- * Copyright (c) 1983, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)alloc.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/types.h>
-#include <unistd.h>
-#include <stdlib.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "extern.h"
-
-char *memtop = NULL; /* PWP: top of current memory */
-char *membot = NULL; /* PWP: bottom of allocatable memory */
-
-ptr_t
-Malloc(n)
- size_t n;
-{
- ptr_t ptr;
-
- if (membot == NULL)
- memtop = membot = sbrk(0);
- if ((ptr = malloc(n)) == (ptr_t) 0) {
- child++;
- stderror(ERR_NOMEM);
- }
- return (ptr);
-}
-
-ptr_t
-Realloc(p, n)
- ptr_t p;
- size_t n;
-{
- ptr_t ptr;
-
- if (membot == NULL)
- memtop = membot = sbrk(0);
- if ((ptr = realloc(p, n)) == (ptr_t) 0) {
- child++;
- stderror(ERR_NOMEM);
- }
- return (ptr);
-}
-
-ptr_t
-Calloc(s, n)
- size_t s, n;
-{
- ptr_t ptr;
-
- if (membot == NULL)
- memtop = membot = sbrk(0);
- if ((ptr = calloc(s, n)) == (ptr_t) 0) {
- child++;
- stderror(ERR_NOMEM);
- }
-
- return (ptr);
-}
-
-void
-Free(p)
- ptr_t p;
-{
- if (p)
- free(p);
-}
-
-/*
- * mstats - print out statistics about malloc
- *
- * Prints two lines of numbers, one showing the length of the free list
- * for each size category, the second showing the number of mallocs -
- * frees for each size category.
- */
-void
-/*ARGSUSED*/
-showall(v, t)
- Char **v;
- struct command *t;
-{
- memtop = (char *) sbrk(0);
- (void) fprintf(cshout, "Allocated memory from 0x%lx to 0x%lx (%ld).\n",
- (unsigned long) membot, (unsigned long) memtop,
- (unsigned long) (memtop - membot));
-}
diff --git a/bin/csh/char.c b/bin/csh/char.c
deleted file mode 100644
index b2aa378..0000000
--- a/bin/csh/char.c
+++ /dev/null
@@ -1,316 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)char.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include "char.h"
-
-unsigned short _cmap[256] = {
-/* nul soh stx etx */
- _CTR, _CTR, _CTR, _CTR,
-
-/* eot enq ack bel */
- _CTR, _CTR, _CTR, _CTR,
-
-/* bs ht nl vt */
- _CTR, _CTR|_SP|_META, _CTR|_NL|_META, _CTR,
-
-/* np cr so si */
- _CTR, _CTR, _CTR, _CTR,
-
-/* dle dc1 dc2 dc3 */
- _CTR, _CTR, _CTR, _CTR,
-
-/* dc4 nak syn etb */
- _CTR, _CTR, _CTR, _CTR,
-
-/* can em sub esc */
- _CTR, _CTR, _CTR, _CTR,
-
-/* fs gs rs us */
- _CTR, _CTR, _CTR, _CTR,
-
-/* sp ! " # */
- _SP|_META, 0, _QF, _META,
-
-/* $ % & ' */
- _DOL, 0, _META|_CMD, _QF,
-
-/* ( ) * + */
- _META|_CMD, _META, _GLOB, 0,
-
-/* , - . / */
- 0, 0, 0, 0,
-
-/* 0 1 2 3 */
- _DIG|_XD, _DIG|_XD, _DIG|_XD, _DIG|_XD,
-
-/* 4 5 6 7 */
- _DIG|_XD, _DIG|_XD, _DIG|_XD, _DIG|_XD,
-
-/* 8 9 : ; */
- _DIG|_XD, _DIG|_XD, 0, _META|_CMD,
-
-/* < = > ? */
- _META, 0, _META, _GLOB,
-
-/* @ A B C */
- 0, _LET|_UP|_XD, _LET|_UP|_XD, _LET|_UP|_XD,
-
-/* D E F G */
- _LET|_UP|_XD, _LET|_UP|_XD, _LET|_UP|_XD, _LET|_UP,
-
-/* H I J K */
- _LET|_UP, _LET|_UP, _LET|_UP, _LET|_UP,
-
-/* L M N O */
- _LET|_UP, _LET|_UP, _LET|_UP, _LET|_UP,
-
-/* P Q R S */
- _LET|_UP, _LET|_UP, _LET|_UP, _LET|_UP,
-
-/* T U V W */
- _LET|_UP, _LET|_UP, _LET|_UP, _LET|_UP,
-
-/* X Y Z [ */
- _LET|_UP, _LET|_UP, _LET|_UP, _GLOB,
-
-/* \ ] ^ _ */
- _ESC, 0, 0, 0,
-
-/* ` a b c */
- _QB|_GLOB|_META, _LET|_LOW|_XD, _LET|_LOW|_XD, _LET|_LOW|_XD,
-
-/* d e f g */
- _LET|_LOW|_XD, _LET|_LOW|_XD, _LET|_LOW|_XD, _LET|_LOW,
-
-/* h i j k */
- _LET|_LOW, _LET|_LOW, _LET|_LOW, _LET|_LOW,
-
-/* l m n o */
- _LET|_LOW, _LET|_LOW, _LET|_LOW, _LET|_LOW,
-
-/* p q r s */
- _LET|_LOW, _LET|_LOW, _LET|_LOW, _LET|_LOW,
-
-/* t u v w */
- _LET|_LOW, _LET|_LOW, _LET|_LOW, _LET|_LOW,
-
-/* x y z { */
- _LET|_LOW, _LET|_LOW, _LET|_LOW, _GLOB,
-
-/* | } ~ del */
- _META|_CMD, 0, 0, _CTR,
-
-#if defined(SHORT_STRINGS) && !defined(KANJI)
-/****************************************************************/
-/* 128 - 255 The below is supposedly ISO 8859/1 */
-/****************************************************************/
-/* (undef) (undef) (undef) (undef) */
- _CTR, _CTR, _CTR, _CTR,
-
-/* (undef) (undef) (undef) (undef) */
- _CTR, _CTR, _CTR, _CTR,
-
-/* (undef) (undef) (undef) (undef) */
- _CTR, _CTR, _CTR, _CTR,
-
-/* (undef) (undef) (undef) (undef) */
- _CTR, _CTR, _CTR, _CTR,
-
-/* (undef) (undef) (undef) (undef) */
- _CTR, _CTR, _CTR, _CTR,
-
-/* (undef) (undef) (undef) (undef) */
- _CTR, _CTR, _CTR, _CTR,
-
-/* (undef) (undef) (undef) (undef) */
- _CTR, _CTR, _CTR, _CTR,
-
-/* (undef) (undef) (undef) (undef) */
- _CTR, _CTR, _CTR, _CTR,
-
-/* nobreakspace exclamdown cent sterling */
- _SP, 0, 0, 0,
-
-/* currency yen brokenbar section */
- 0, 0, 0, 0,
-
-/* diaeresis copyright ordfeminine guillemotleft */
- 0, 0, 0, 0,
-
-/* notsign hyphen registered macron */
- 0, 0, 0, 0,
-
-/* degree plusminus twosuperior threesuperior */
- 0, 0, 0, 0,
-
-/* acute mu paragraph periodcentered */
- 0, 0, 0, 0,
-
-/* cedilla onesuperior masculine guillemotright */
- 0, 0, 0, 0,
-
-/* onequarter onehalf threequarters questiondown */
- 0, 0, 0, 0,
-
-/* Agrave Aacute Acircumflex Atilde */
- _LET|_UP, _LET|_UP, _LET|_UP, _LET|_UP,
-
-/* Adiaeresis Aring AE Ccedilla */
- _LET|_UP, _LET|_UP, _LET|_UP, _LET|_UP,
-
-/* Egrave Eacute Ecircumflex Ediaeresis */
- _LET|_UP, _LET|_UP, _LET|_UP, _LET|_UP,
-
-/* Igrave Iacute Icircumflex Idiaeresis */
- _LET|_UP, _LET|_UP, _LET|_UP, _LET|_UP,
-
-/* ETH Ntilde Ograve Oacute */
- _LET|_UP, _LET|_UP, _LET|_UP, _LET|_UP,
-
-/* Ocircumflex Otilde Odiaeresis multiply */
- _LET|_UP, _LET|_UP, _LET|_UP, 0,
-
-/* Ooblique Ugrave Uacute Ucircumflex */
- _LET|_UP, _LET|_UP, _LET|_UP, _LET|_UP,
-
-/* Udiaeresis Yacute THORN ssharp */
- _LET|_UP, _LET|_UP, _LET|_UP, _LET|_LOW,
-
-/* agrave aacute acircumflex atilde */
- _LET|_LOW, _LET|_LOW, _LET|_LOW, _LET|_LOW,
-
-/* adiaeresis aring ae ccedilla */
- _LET|_LOW, _LET|_LOW, _LET|_LOW, _LET|_LOW,
-
-/* egrave eacute ecircumflex ediaeresis */
- _LET|_LOW, _LET|_LOW, _LET|_LOW, _LET|_LOW,
-
-/* igrave iacute icircumflex idiaeresis */
- _LET|_LOW, _LET|_LOW, _LET|_LOW, _LET|_LOW,
-
-/* eth ntilde ograve oacute */
- _LET|_LOW, _LET|_LOW, _LET|_LOW, _LET|_LOW,
-
-/* ocircumflex otilde odiaeresis division */
- _LET|_LOW, _LET|_LOW, _LET|_LOW, 0,
-
-/* oslash ugrave uacute ucircumflex */
- _LET|_LOW, _LET|_LOW, _LET|_LOW, _LET|_LOW,
-
-/* udiaeresis yacute thorn ydiaeresis */
- _LET|_LOW, _LET|_LOW, _LET|_LOW, _LET|_LOW,
-#endif /* SHORT_STRINGS && !KANJI */
-};
-
-#ifndef NLS
-/* _cmap_lower, _cmap_upper for ISO 8859/1 */
-
-unsigned char _cmap_lower[256] = {
- 0000, 0001, 0002, 0003, 0004, 0005, 0006, 0007,
- 0010, 0011, 0012, 0013, 0014, 0015, 0016, 0017,
- 0020, 0021, 0022, 0023, 0024, 0025, 0026, 0027,
- 0030, 0031, 0032, 0033, 0034, 0035, 0036, 0037,
- 0040, 0041, 0042, 0043, 0044, 0045, 0046, 0047,
- 0050, 0051, 0052, 0053, 0054, 0055, 0056, 0057,
- 0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067,
- 0070, 0071, 0072, 0073, 0074, 0075, 0076, 0077,
- 0100, 0141, 0142, 0143, 0144, 0145, 0146, 0147,
- 0150, 0151, 0152, 0153, 0154, 0155, 0156, 0157,
- 0160, 0161, 0162, 0163, 0164, 0165, 0166, 0167,
- 0170, 0171, 0172, 0133, 0134, 0135, 0136, 0137,
- 0140, 0141, 0142, 0143, 0144, 0145, 0146, 0147,
- 0150, 0151, 0152, 0153, 0154, 0155, 0156, 0157,
- 0160, 0161, 0162, 0163, 0164, 0165, 0166, 0167,
- 0170, 0171, 0172, 0173, 0174, 0175, 0176, 0177,
- 0200, 0201, 0202, 0203, 0204, 0205, 0206, 0207,
- 0210, 0211, 0212, 0213, 0214, 0215, 0216, 0217,
- 0220, 0221, 0222, 0223, 0224, 0225, 0226, 0227,
- 0230, 0231, 0232, 0233, 0234, 0235, 0236, 0237,
- 0240, 0241, 0242, 0243, 0244, 0245, 0246, 0247,
- 0250, 0251, 0252, 0253, 0254, 0255, 0256, 0257,
- 0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267,
- 0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277,
- 0340, 0341, 0342, 0343, 0344, 0345, 0346, 0347,
- 0350, 0351, 0352, 0353, 0354, 0355, 0356, 0357,
- 0360, 0361, 0362, 0363, 0364, 0365, 0366, 0327,
- 0370, 0371, 0372, 0373, 0374, 0375, 0376, 0337,
- 0340, 0341, 0342, 0343, 0344, 0345, 0346, 0347,
- 0350, 0351, 0352, 0353, 0354, 0355, 0356, 0357,
- 0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367,
- 0370, 0371, 0372, 0373, 0374, 0375, 0376, 0377,
-};
-
-unsigned char _cmap_upper[256] = {
- 0000, 0001, 0002, 0003, 0004, 0005, 0006, 0007,
- 0010, 0011, 0012, 0013, 0014, 0015, 0016, 0017,
- 0020, 0021, 0022, 0023, 0024, 0025, 0026, 0027,
- 0030, 0031, 0032, 0033, 0034, 0035, 0036, 0037,
- 0040, 0041, 0042, 0043, 0044, 0045, 0046, 0047,
- 0050, 0051, 0052, 0053, 0054, 0055, 0056, 0057,
- 0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067,
- 0070, 0071, 0072, 0073, 0074, 0075, 0076, 0077,
- 0100, 0101, 0102, 0103, 0104, 0105, 0106, 0107,
- 0110, 0111, 0112, 0113, 0114, 0115, 0116, 0117,
- 0120, 0121, 0122, 0123, 0124, 0125, 0126, 0127,
- 0130, 0131, 0132, 0133, 0134, 0135, 0136, 0137,
- 0140, 0101, 0102, 0103, 0104, 0105, 0106, 0107,
- 0110, 0111, 0112, 0113, 0114, 0115, 0116, 0117,
- 0120, 0121, 0122, 0123, 0124, 0125, 0126, 0127,
- 0130, 0131, 0132, 0173, 0174, 0175, 0176, 0177,
- 0200, 0201, 0202, 0203, 0204, 0205, 0206, 0207,
- 0210, 0211, 0212, 0213, 0214, 0215, 0216, 0217,
- 0220, 0221, 0222, 0223, 0224, 0225, 0226, 0227,
- 0230, 0231, 0232, 0233, 0234, 0235, 0236, 0237,
- 0240, 0241, 0242, 0243, 0244, 0245, 0246, 0247,
- 0250, 0251, 0252, 0253, 0254, 0255, 0256, 0257,
- 0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267,
- 0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277,
- 0300, 0301, 0302, 0303, 0304, 0305, 0306, 0307,
- 0310, 0311, 0312, 0313, 0314, 0315, 0316, 0317,
- 0320, 0321, 0322, 0323, 0324, 0325, 0326, 0327,
- 0330, 0331, 0332, 0333, 0334, 0335, 0336, 0337,
- 0300, 0301, 0302, 0303, 0304, 0305, 0306, 0307,
- 0310, 0311, 0312, 0313, 0314, 0315, 0316, 0317,
- 0320, 0321, 0322, 0323, 0324, 0325, 0326, 0367,
- 0330, 0331, 0332, 0333, 0334, 0335, 0336, 0377,
-};
-#endif /* NLS */
diff --git a/bin/csh/char.h b/bin/csh/char.h
deleted file mode 100644
index 396e7ab..0000000
--- a/bin/csh/char.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)char.h 8.1 (Berkeley) 5/31/93
- * $FreeBSD$
- */
-
-#include <ctype.h>
-
-extern unsigned short _cmap[];
-
-#ifndef NLS
-extern unsigned char _cmap_lower[], _cmap_upper[];
-
-#endif
-
-#define _QF 0x0001 /* '" (Forward quotes) */
-#define _QB 0x0002 /* ` (Backquote) */
-#define _SP 0x0004 /* space and tab */
-#define _NL 0x0008 /* \n */
-#define _META 0x0010 /* lex meta characters, sp #'`";&<>()|\t\n */
-#define _GLOB 0x0020 /* glob characters, *?{[` */
-#define _ESC 0x0040 /* \ */
-#define _DOL 0x0080 /* $ */
-#define _DIG 0x0100 /* 0-9 */
-#define _LET 0x0200 /* a-z, A-Z, _ */
-#define _UP 0x0400 /* A-Z */
-#define _LOW 0x0800 /* a-z */
-#define _XD 0x1000 /* 0-9, a-f, A-F */
-#define _CMD 0x2000 /* lex end of command chars, ;&(|` */
-#define _CTR 0x4000 /* control */
-
-#define cmap(c, bits) \
- (((c) & QUOTE) ? 0 : (_cmap[(unsigned char)(c)] & (bits)))
-
-#define isglob(c) cmap(c, _GLOB)
-#define isspc(c) cmap(c, _SP)
-#define ismeta(c) cmap(c, _META)
-#define iscmdmeta(c) cmap(c, _CMD)
-#define letter(c) (((c) & QUOTE) ? 0 : \
- (isalpha((unsigned char) (c)) || (c) == '_'))
-#define alnum(c) (((c) & QUOTE) ? 0 : \
- (isalnum((unsigned char) (c)) || (c) == '_'))
-#ifdef NLS
-#define Isspace(c) (((c) & QUOTE) ? 0 : isspace((unsigned char) (c)))
-#define Isdigit(c) (((c) & QUOTE) ? 0 : isdigit((unsigned char) (c)))
-#define Isalpha(c) (((c) & QUOTE) ? 0 : isalpha((unsigned char) (c)))
-#define Islower(c) (((c) & QUOTE) ? 0 : islower((unsigned char) (c)))
-#define Isupper(c) (((c) & QUOTE) ? 0 : isupper((unsigned char) (c)))
-#define Tolower(c) (((c) & QUOTE) ? 0 : tolower((unsigned char) (c)))
-#define Toupper(c) (((c) & QUOTE) ? 0 : toupper((unsigned char) (c)))
-#define Isxdigit(c) (((c) & QUOTE) ? 0 : isxdigit((unsigned char) (c)))
-#define Isalnum(c) (((c) & QUOTE) ? 0 : isalnum((unsigned char) (c)))
-#define Iscntrl(c) (((c) & QUOTE) ? 0 : iscntrl((unsigned char) (c)))
-#define Isprint(c) (((c) & QUOTE) ? 0 : isprint((unsigned char) (c)))
-#else
-#define Isspace(c) cmap(c, _SP|_NL)
-#define Isdigit(c) cmap(c, _DIG)
-#define Isalpha(c) (cmap(c,_LET) && !(((c) & META) && AsciiOnly))
-#define Islower(c) (cmap(c,_LOW) && !(((c) & META) && AsciiOnly))
-#define Isupper(c) (cmap(c, _UP) && !(((c) & META) && AsciiOnly))
-#define Tolower(c) (_cmap_lower[(unsigned char)(c)])
-#define Toupper(c) (_cmap_upper[(unsigned char)(c)])
-#define Isxdigit(c) cmap(c, _XD)
-#define Isalnum(c) (cmap(c, _DIG|_LET) && !(((c) & META) && AsciiOnly))
-#define Iscntrl(c) (cmap(c,_CTR) && !(((c) & META) && AsciiOnly))
-#define Isprint(c) (!cmap(c,_CTR) && !(((c) & META) && AsciiOnly))
-#endif
diff --git a/bin/csh/config.h b/bin/csh/config.h
new file mode 100644
index 0000000..57dd362
--- /dev/null
+++ b/bin/csh/config.h
@@ -0,0 +1,153 @@
+/* config.h. Generated automatically by configure. */
+/*
+ * config.h -- configure various defines for tcsh
+ *
+ * All source files should #include this FIRST.
+ *
+ * Edit this to match your system type.
+ */
+
+/* $FreeBSD$ */
+
+#ifndef _h_config
+#define _h_config
+/****************** System dependant compilation flags ****************/
+/*
+ * POSIX This system supports IEEE Std 1003.1-1988 (POSIX).
+ */
+#define POSIX
+
+/*
+ * POSIXJOBS This system supports the optional IEEE Std 1003.1-1988 (POSIX)
+ * job control facilities.
+ */
+#define POSIXJOBS
+
+/*
+ * POSIXSIGS Use the POSIX signal facilities to emulate BSD signals.
+ */
+/* #undef POSIXSIGS */
+
+/*
+ * VFORK This machine has a vfork().
+ * It used to be that for job control to work, this define
+ * was mandatory. This is not the case any more.
+ * If you think you still need it, but you don't have vfork,
+ * define this anyway and then do #define vfork fork.
+ * I do this anyway on a Sun because of yellow pages brain damage,
+ * [should not be needed under 4.1]
+ * and on the iris4d cause SGI's fork is sufficiently "virtual"
+ * that vfork isn't necessary. (Besides, SGI's vfork is weird).
+ * Note that some machines eg. rs6000 have a vfork, but not
+ * with the berkeley semantics, so we cannot use it there either.
+ */
+#define VFORK
+
+/*
+ * BSDJOBS You have BSD-style job control (both process groups and
+ * a tty that deals correctly
+ */
+#define BSDJOBS
+
+/*
+ * BSDSIGS You have 4.2-style signals, rather than USG style.
+ * Note: POSIX systems should not define this unless they
+ * have sigvec() and friends (ie: 4.3BSD-RENO, HP-UX).
+ */
+#define BSDSIGS
+
+/*
+ * BSDTIMES You have BSD-style process time stuff (like rusage)
+ * This may or may not be true. For example, Apple Unix
+ * (OREO) has BSDJOBS and BSDSIGS but not BSDTIMES.
+ */
+#define BSDTIMES
+
+/*
+ * BSDLIMIT You have BSD-style resource limit stuff (getrlimit/setrlimit)
+ */
+#define BSDLIMIT
+
+/*
+ * BSDNICE Your system uses setpriority() instead of nice, to
+ * change a processes scheduling priority
+ */
+#define BSDNICE
+
+/*
+ * TERMIO You have struct termio instead of struct sgttyb.
+ * This is usually the case for SYSV systems, where
+ * BSD uses sgttyb. POSIX systems should define this
+ * anyway, even though they use struct termios.
+ */
+#define TERMIO
+
+/*
+ * SYSVREL Your machine is SYSV based (HPUX, A/UX)
+ * NOTE: don't do this if you are on a Pyramid -- tcsh is
+ * built in a BSD universe.
+ * Set SYSVREL to 1, 2, 3, or 4, depending the version of System V
+ * you are running. Or set it to 0 if you are not SYSV based
+ */
+#define SYSVREL 0
+
+/*
+ * YPBUGS Work around Sun YP bugs that cause expansion of ~username
+ * to send command output to /dev/null
+ */
+/* #undef YPBUGS */
+
+/*
+ * SIGVOID Define this if your signal handlers return void. On older
+ * systems, signal returns int, but on newer ones, it returns void.
+ */
+#define SIGVOID
+
+/*
+ * HAVEDUP2 Define this if your system supports dup2().
+ */
+#define HAVEDUP2
+
+/*
+ * UTHOST Does the utmp file have a host field?
+ */
+#define UTHOST
+
+/*
+ * DIRENT Your system has <dirent.h> instead of <sys/dir.h>
+ */
+#define DIRENT
+/****************** local defines *********************/
+/****************** configurable hacks ****************/
+
+/* have been moved to config_f.h */
+#include "config_f.h"
+
+#if defined(__FreeBSD__)
+#define NLS_BUGS
+#endif
+
+#if defined(__bsdi__)
+/*
+ * _PATH_TCSHELL if you've change the installation location (vix)
+ */
+# ifdef _BSDI_VERSION >= 199701
+# define _PATH_TCSHELL "/bin/tcsh"
+/* # undef SYSMALLOC */
+# define SYSMALLOC
+# else
+# define _PATH_TCSHELL "/usr/contrib/bin/tcsh"
+# endif
+
+# undef NLS
+# undef NLS_CATALOGS
+
+#elif defined(__APPLE__)
+# define SYSMALLOC
+
+#else
+# define NLS_CATALOGS
+#endif
+
+#endif /* _h_config */
+/* config.h.in. Generated automatically from configure.in by autoheader. */
diff --git a/bin/csh/config_p.h b/bin/csh/config_p.h
new file mode 100644
index 0000000..57dd362
--- /dev/null
+++ b/bin/csh/config_p.h
@@ -0,0 +1,153 @@
+/* config.h. Generated automatically by configure. */
+/*
+ * config.h -- configure various defines for tcsh
+ *
+ * All source files should #include this FIRST.
+ *
+ * Edit this to match your system type.
+ */
+
+/* $FreeBSD$ */
+
+#ifndef _h_config
+#define _h_config
+/****************** System dependant compilation flags ****************/
+/*
+ * POSIX This system supports IEEE Std 1003.1-1988 (POSIX).
+ */
+#define POSIX
+
+/*
+ * POSIXJOBS This system supports the optional IEEE Std 1003.1-1988 (POSIX)
+ * job control facilities.
+ */
+#define POSIXJOBS
+
+/*
+ * POSIXSIGS Use the POSIX signal facilities to emulate BSD signals.
+ */
+/* #undef POSIXSIGS */
+
+/*
+ * VFORK This machine has a vfork().
+ * It used to be that for job control to work, this define
+ * was mandatory. This is not the case any more.
+ * If you think you still need it, but you don't have vfork,
+ * define this anyway and then do #define vfork fork.
+ * I do this anyway on a Sun because of yellow pages brain damage,
+ * [should not be needed under 4.1]
+ * and on the iris4d cause SGI's fork is sufficiently "virtual"
+ * that vfork isn't necessary. (Besides, SGI's vfork is weird).
+ * Note that some machines eg. rs6000 have a vfork, but not
+ * with the berkeley semantics, so we cannot use it there either.
+ */
+#define VFORK
+
+/*
+ * BSDJOBS You have BSD-style job control (both process groups and
+ * a tty that deals correctly
+ */
+#define BSDJOBS
+
+/*
+ * BSDSIGS You have 4.2-style signals, rather than USG style.
+ * Note: POSIX systems should not define this unless they
+ * have sigvec() and friends (ie: 4.3BSD-RENO, HP-UX).
+ */
+#define BSDSIGS
+
+/*
+ * BSDTIMES You have BSD-style process time stuff (like rusage)
+ * This may or may not be true. For example, Apple Unix
+ * (OREO) has BSDJOBS and BSDSIGS but not BSDTIMES.
+ */
+#define BSDTIMES
+
+/*
+ * BSDLIMIT You have BSD-style resource limit stuff (getrlimit/setrlimit)
+ */
+#define BSDLIMIT
+
+/*
+ * BSDNICE Your system uses setpriority() instead of nice, to
+ * change a processes scheduling priority
+ */
+#define BSDNICE
+
+/*
+ * TERMIO You have struct termio instead of struct sgttyb.
+ * This is usually the case for SYSV systems, where
+ * BSD uses sgttyb. POSIX systems should define this
+ * anyway, even though they use struct termios.
+ */
+#define TERMIO
+
+/*
+ * SYSVREL Your machine is SYSV based (HPUX, A/UX)
+ * NOTE: don't do this if you are on a Pyramid -- tcsh is
+ * built in a BSD universe.
+ * Set SYSVREL to 1, 2, 3, or 4, depending the version of System V
+ * you are running. Or set it to 0 if you are not SYSV based
+ */
+#define SYSVREL 0
+
+/*
+ * YPBUGS Work around Sun YP bugs that cause expansion of ~username
+ * to send command output to /dev/null
+ */
+/* #undef YPBUGS */
+
+/*
+ * SIGVOID Define this if your signal handlers return void. On older
+ * systems, signal returns int, but on newer ones, it returns void.
+ */
+#define SIGVOID
+
+/*
+ * HAVEDUP2 Define this if your system supports dup2().
+ */
+#define HAVEDUP2
+
+/*
+ * UTHOST Does the utmp file have a host field?
+ */
+#define UTHOST
+
+/*
+ * DIRENT Your system has <dirent.h> instead of <sys/dir.h>
+ */
+#define DIRENT
+/****************** local defines *********************/
+/****************** configurable hacks ****************/
+
+/* have been moved to config_f.h */
+#include "config_f.h"
+
+#if defined(__FreeBSD__)
+#define NLS_BUGS
+#endif
+
+#if defined(__bsdi__)
+/*
+ * _PATH_TCSHELL if you've change the installation location (vix)
+ */
+# ifdef _BSDI_VERSION >= 199701
+# define _PATH_TCSHELL "/bin/tcsh"
+/* # undef SYSMALLOC */
+# define SYSMALLOC
+# else
+# define _PATH_TCSHELL "/usr/contrib/bin/tcsh"
+# endif
+
+# undef NLS
+# undef NLS_CATALOGS
+
+#elif defined(__APPLE__)
+# define SYSMALLOC
+
+#else
+# define NLS_CATALOGS
+#endif
+
+#endif /* _h_config */
+/* config.h.in. Generated automatically from configure.in by autoheader. */
diff --git a/bin/csh/const.c b/bin/csh/const.c
deleted file mode 100644
index 41de3c1..0000000
--- a/bin/csh/const.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/*-
- * Copyright (c) 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)const.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-/*
- * tc.const.c: String constants for csh.
- */
-
-#include "csh.h"
-
-Char STR0[] = { '0', '\0' };
-Char STR1[] = { '1', '\0' };
-Char STRHOME[] = { 'H', 'O', 'M', 'E', '\0' };
-Char STRLANG[] = { 'L', 'A', 'N', 'G', '\0' };
-Char STRLC_ALL[] = { 'L', 'C', '_', 'A', 'L', 'L', '\0' };
-Char STRLC_CTYPE[] = { 'L', 'C', '_', 'C', 'T', 'Y', 'P', 'E', '\0' };
-Char STRLC_COLLATE[] = { 'L', 'C', '_', 'C', 'O', 'L', 'L', 'A', 'T', 'E', '\0' };
-Char STRLOGNAME[] = { 'L', 'O', 'G', 'N', 'A', 'M', 'E', '\0' };
-Char STRLbrace[] = { '{', '\0' };
-Char STRLparen[] = { '(', '\0' };
-Char STRLparensp[] = { '(', ' ', '\0' };
-Char STRNULL[] = { '\0' };
-Char STRPATH[] = { 'P', 'A', 'T', 'H', '\0' };
-Char STRPWD[] = { 'P', 'W', 'D', '\0' };
-Char STRQNULL[] = { '\0' | QUOTE, '\0' };
-Char STRRbrace[] = { '}', '\0' };
-Char STRspRparen[] = { ' ', ')', '\0' };
-Char STRTERM[] = { 'T', 'E', 'R', 'M', '\0' };
-Char STRUSER[] = { 'U', 'S', 'E', 'R', '\0' };
-Char STRalias[] = { 'a', 'l', 'i', 'a', 's', '\0' };
-Char STRand[] = { '&', '\0' };
-Char STRand2[] = { '&', '&', '\0' };
-Char STRaout[] = { 'a', '.', 'o', 'u', 't', '\0' };
-Char STRargv[] = { 'a', 'r', 'g', 'v', '\0' };
-Char STRbang[] = { '!', '\0' };
-Char STRcaret[] = { '^', '\0' };
-Char STRcdpath[] = { 'c', 'd', 'p', 'a', 't', 'h', '\0' };
-Char STRcent2[] = { '%', '%', '\0' };
-Char STRcenthash[] = { '%', '#', '\0' };
-Char STRcentplus[] = { '%', '+', '\0' };
-Char STRcentminus[] = { '%', '-', '\0' };
-Char STRchase_symlinks[] = { 'c', 'h', 'a', 's', 'e', '_', 's', 'y', 'm', 'l',
- 'i', 'n', 'k', 's', '\0' };
-Char STRchild[] = { 'c', 'h', 'i', 'l', 'd', '\0' };
-Char STRcolon[] = { ':', '\0' };
-Char STRcwd[] = { 'c', 'w', 'd', '\0' };
-Char STRdefault[] = { 'd', 'e', 'f', 'a', 'u', 'l', 't', '\0' };
-Char STRdot[] = { '.', '\0' };
-Char STRdotdotsl[] = { '.', '.', '/', '\0' };
-Char STRdotsl[] = { '.', '/', '\0' };
-Char STRecho[] = { 'e', 'c', 'h', 'o', '\0' };
-Char STRequal[] = { '=', '\0' };
-Char STRfakecom[] = { '{', ' ', '.', '.', '.', ' ', '}', '\0' };
-Char STRfakecom1[] = { '`', ' ', '.', '.', '.', ' ', '`', '\0' };
-Char STRfignore[] = { 'f', 'i', 'g', 'n', 'o', 'r', 'e', '\0' };
-#ifdef FILEC
-Char STRfilec[] = { 'f', 'i', 'l', 'e', 'c', '\0' };
-#endif /* FILEC */
-Char STRhistchars[] = { 'h', 'i', 's', 't', 'c', 'h', 'a', 'r', 's', '\0' };
-Char STRtildothist[] = { '~', '/', '.', 'h', 'i', 's', 't', 'o', 'r',
- 'y', '\0' };
-Char STRhistfile[] = { 'h', 'i', 's', 't', 'f', 'i', 'l', 'e', '\0' };
-Char STRhistory[] = { 'h', 'i', 's', 't', 'o', 'r', 'y', '\0' };
-Char STRhome[] = { 'h', 'o', 'm', 'e', '\0' };
-Char STRignore_symlinks[] = { 'i', 'g', 'n', 'o', 'r', 'e', '_', 's', 'y', 'm',
- 'l', 'i', 'n', 'k', 's', '\0' };
-Char STRignoreeof[] = { 'i', 'g', 'n', 'o', 'r', 'e', 'e', 'o', 'f', '\0' };
-Char STRjobs[] = { 'j', 'o', 'b', 's', '\0' };
-Char STRlistjobs[] = { 'l', 'i', 's', 't', 'j', 'o', 'b', 's', '\0' };
-Char STRlogout[] = { 'l', 'o', 'g', 'o', 'u', 't', '\0' };
-Char STRlong[] = { 'l', 'o', 'n', 'g', '\0' };
-Char STRmail[] = { 'm', 'a', 'i', 'l', '\0' };
-Char STRmh[] = { '-', 'h', '\0' };
-Char STRminus[] = { '-', '\0' };
-Char STRml[] = { '-', 'l', '\0' };
-Char STRmn[] = { '-', 'n', '\0' };
-Char STRmquestion[] = { '?' | QUOTE, ' ', '\0' };
-Char STRnice[] = { 'n', 'i', 'c', 'e', '\0' };
-Char STRnoambiguous[] = { 'n', 'o', 'a', 'm', 'b', 'i', 'g', 'u', 'o', 'u',
- 's', '\0' };
-Char STRnobeep[] = { 'n', 'o', 'b', 'e', 'e', 'p', '\0' };
-Char STRnoclobber[] = { 'n', 'o', 'c', 'l', 'o', 'b', 'b', 'e', 'r', '\0' };
-Char STRnoglob[] = { 'n', 'o', 'g', 'l', 'o', 'b', '\0' };
-Char STRnohup[] = { 'n', 'o', 'h', 'u', 'p', '\0' };
-Char STRnonomatch[] = { 'n', 'o', 'n', 'o', 'm', 'a', 't', 'c', 'h', '\0' };
-Char STRnormal[] = { 'n', 'o', 'r', 'm', 'a', 'l', '\0' };
-Char STRnotify[] = { 'n', 'o', 't', 'i', 'f', 'y', '\0' };
-Char STRor[] = { '|', '\0' };
-Char STRor2[] = { '|', '|', '\0' };
-Char STRpath[] = { 'p', 'a', 't', 'h', '\0' };
-Char STRprintexitvalue[] = { 'p', 'r', 'i', 'n', 't', 'e', 'x', 'i', 't', 'v',
- 'a', 'l', 'u', 'e', '\0' };
-Char STRprompt[] = { 'p', 'r', 'o', 'm', 'p', 't', '\0' };
-Char STRprompt2[] = { 'p', 'r', 'o', 'm', 'p', 't', '2', '\0' };
-Char STRpushdsilent[] = { 'p', 'u', 's', 'h', 'd', 's', 'i', 'l', 'e', 'n',
- 't', '\0' };
-Char STRret[] = { '\n', '\0' };
-Char STRsavehist[] = { 's', 'a', 'v', 'e', 'h', 'i', 's', 't', '\0' };
-Char STRsemisp[] = { ';', ' ', '\0' };
-Char STRshell[] = { 's', 'h', 'e', 'l', 'l', '\0' };
-Char STRslash[] = { '/', '\0' };
-Char STRsldotcshrc[] = { '/', '.', 'c', 's', 'h', 'r', 'c', '\0' };
-Char STRsldotlogin[] = { '/', '.', 'l', 'o', 'g', 'i', 'n', '\0' };
-Char STRsldthist[] = { '/', '.', 'h', 'i', 's', 't', 'o', 'r', 'y', '\0' };
-Char STRsldtlogout[] = { '/', '.', 'l', 'o', 'g', 'o', 'u', 't', '\0' };
-Char STRsource[] = { 's', 'o', 'u', 'r', 'c', 'e', '\0' };
-Char STRsp3dots[] = { ' ', '.', '.', '.', '\0' };
-Char STRspLarrow2sp[] = { ' ', '<', '<', ' ', '\0' };
-Char STRspLarrowsp[] = { ' ', '<', ' ', '\0' };
-Char STRspRarrow[] = { ' ', '>', '\0' };
-Char STRspRarrow2[] = { ' ', '>', '>', '\0' };
-Char STRRparen[] = { ')', '\0' };
-Char STRspace[] = { ' ', '\0' };
-Char STRspand2sp[] = { ' ', '&', '&', ' ', '\0' };
-Char STRspor2sp[] = { ' ', '|', '|', ' ', '\0' };
-Char STRsporsp[] = { ' ', '|', ' ', '\0' };
-Char STRstar[] = { '*', '\0' };
-Char STRstatus[] = { 's', 't', 'a', 't', 'u', 's', '\0' };
-Char STRsymcent[] = { '%', ' ', '\0' };
-Char STRsymhash[] = { '#', ' ', '\0' };
-Char STRterm[] = { 't', 'e', 'r', 'm', '\0' };
-Char STRthen[] = { 't', 'h', 'e', 'n', '\0' };
-Char STRtilde[] = { '~', '\0' };
-Char STRtime[] = { 't', 'i', 'm', 'e', '\0' };
-Char STRtmpsh[] = { '/', 't', 'm', 'p', '/', 's', 'h', '\0' };
-Char STRunalias[] = { 'u', 'n', 'a', 'l', 'i', 'a', 's', '\0' };
-Char STRuser[] = { 'u', 's', 'e', 'r', '\0' };
-Char STRverbose[] = { 'v', 'e', 'r', 'b', 'o', 's', 'e', '\0' };
-Char STRwordchars[] = { 'w', 'o', 'r', 'd', 'c', 'h', 'a', 'r', 's', '\0' };
diff --git a/bin/csh/csh.c b/bin/csh/csh.c
deleted file mode 100644
index 0bbc557..0000000
--- a/bin/csh/csh.c
+++ /dev/null
@@ -1,1362 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-static const char copyright[] =
-"@(#) Copyright (c) 1980, 1991, 1993\n\
- The Regents of the University of California. All rights reserved.\n";
-#endif /* not lint */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)csh.c 8.2 (Berkeley) 10/12/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/param.h>
-#include <sys/ioctl.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <pwd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <locale.h>
-#include <unistd.h>
-#include <vis.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "proc.h"
-#include "extern.h"
-#include "pathnames.h"
-
-extern bool MapsAreInited;
-extern bool NLSMapsAreInited;
-
-/*
- * C Shell
- *
- * Bill Joy, UC Berkeley, California, USA
- * October 1978, May 1980
- *
- * Jim Kulp, IIASA, Laxenburg, Austria
- * April 1980
- *
- * Christos Zoulas, Cornell University
- * June, 1991
- */
-
-Char *dumphist[] = {STRhistory, STRmh, 0, 0};
-Char *loadhist[] = {STRsource, STRmh, STRtildothist, 0};
-
-int nofile = 0;
-bool reenter = 0;
-bool nverbose = 0;
-bool nexececho = 0;
-bool quitit = 0;
-bool fast = 0;
-bool batch = 0;
-bool mflag = 0;
-bool prompt = 1;
-bool enterhist = 0;
-bool tellwhat = 0;
-
-extern char **environ;
-
-static int readf __P((void *, char *, int));
-static fpos_t seekf __P((void *, fpos_t, int));
-static int writef __P((void *, const char *, int));
-static int closef __P((void *));
-static int srccat __P((Char *, Char *));
-static int srcfile __P((char *, bool, bool));
-static void phup __P((int));
-static void srcunit __P((int, bool, bool));
-static void mailchk __P((void));
-static Char **defaultpath __P((void));
-
-int
-main(argc, argv)
- int argc;
- char **argv;
-{
- Char *cp;
- char *tcp;
- int f;
- char **tempv;
- struct sigvec osv;
-
- cshin = stdin;
- cshout = stdout;
- csherr = stderr;
-
- settimes(); /* Immed. estab. timing base */
-
- /*
- * Initialize non constant strings
- */
-#ifdef _PATH_BSHELL
- STR_BSHELL = SAVE(_PATH_BSHELL);
-#endif
-#ifdef _PATH_CSHELL
- STR_SHELLPATH = SAVE(_PATH_CSHELL);
-#endif
- STR_environ = blk2short(environ);
- environ = short2blk(STR_environ); /* So that we can free it */
- STR_WORD_CHARS = SAVE(WORD_CHARS);
-
- HIST = '!';
- HISTSUB = '^';
- word_chars = STR_WORD_CHARS;
-
- tempv = argv;
- if (eq(str2short(tempv[0]), STRaout)) /* A.out's are quittable */
- quitit = 1;
- uid = getuid();
- gid = getgid();
- euid = geteuid();
- egid = getegid();
- /*
- * We are a login shell if: 1. we were invoked as -<something> and we had
- * no arguments 2. or we were invoked only with the -l flag
- */
- loginsh = (**tempv == '-' && argc == 1) ||
- (argc == 2 && tempv[1][0] == '-' && tempv[1][1] == 'l' &&
- tempv[1][2] == '\0');
-
- if (loginsh && **tempv != '-') {
- /*
- * Mangle the argv space
- */
- tempv[1][0] = '\0';
- tempv[1][1] = '\0';
- tempv[1] = NULL;
- for (tcp = *tempv; *tcp++;)
- continue;
- for (tcp--; tcp >= *tempv; tcp--)
- tcp[1] = tcp[0];
- *++tcp = '-';
- argc--;
- }
- if (loginsh)
- (void) time(&chktim);
-
- AsciiOnly = 1;
-#ifdef NLS
- (void) setlocale(LC_ALL, "");
- {
- int k;
-
- for (k = 0200; k <= 0377 && !Isprint(k); k++)
- continue;
- AsciiOnly = k > 0377;
- }
-#else
- AsciiOnly = getenv("LANG") == NULL &&
- getenv("LC_ALL") == NULL &&
- getenv("LC_CTYPE") == NULL;
-#endif /* NLS */
-
- /*
- * Move the descriptors to safe places. The variable didfds is 0 while we
- * have only FSH* to work with. When didfds is true, we have 0,1,2 and
- * prefer to use these.
- */
- initdesc();
- /*
- * XXX: This is to keep programs that use stdio happy.
- * what we really want is freunopen() ....
- * Closing cshin cshout and csherr (which are really stdin stdout
- * and stderr at this point and then reopening them in the same order
- * gives us again stdin == cshin stdout == cshout and stderr == csherr.
- * If that was not the case builtins like printf that use stdio
- * would break. But in any case we could fix that with memcpy and
- * a bit of pointer manipulation...
- * Fortunately this is not needed under the current implementation
- * of stdio.
- */
- (void) fclose(cshin);
- (void) fclose(cshout);
- (void) fclose(csherr);
- if (!(cshin = funopen((void *) &SHIN, readf, writef, seekf, closef)))
- exit(1);
- if (!(cshout = funopen((void *) &SHOUT, readf, writef, seekf, closef)))
- exit(1);
- if (!(csherr = funopen((void *) &SHERR, readf, writef, seekf, closef)))
- exit(1);
- (void) setvbuf(cshin, NULL, _IOLBF, 0);
- (void) setvbuf(cshout, NULL, _IOLBF, 0);
- (void) setvbuf(csherr, NULL, _IOLBF, 0);
-
- /*
- * Initialize the shell variables. ARGV and PROMPT are initialized later.
- * STATUS is also munged in several places. CHILD is munged when
- * forking/waiting
- */
- set(STRstatus, Strsave(STR0));
-
- if ((tcp = getenv("HOME")) != NULL && strlen(tcp) < MAXPATHLEN)
- cp = SAVE(tcp);
- else
- cp = NULL;
-
- if (cp == NULL)
- fast = 1; /* No home -> can't read scripts */
- else
- set(STRhome, cp);
- dinit(cp); /* dinit thinks that HOME == cwd in a login
- * shell */
- /*
- * Grab other useful things from the environment. Should we grab
- * everything??
- */
- if ((tcp = getenv("LOGNAME")) != NULL ||
- (tcp = getenv("USER")) != NULL)
- set(STRuser, SAVE(tcp));
- if ((tcp = getenv("TERM")) != NULL)
- set(STRterm, SAVE(tcp));
-
- set(STRshell, Strsave(STR_SHELLPATH));
-
- doldol = putn((int) getpid()); /* For $$ */
- shtemp = Strspl(STRtmpsh, doldol); /* For << */
-
- /*
- * Record the interrupt states from the parent process. If the parent is
- * non-interruptible our hand must be forced or we (and our children) won't
- * be either. Our children inherit termination from our parent. We catch it
- * only if we are the login shell.
- */
- /* parents interruptibility */
- (void) sigvec(SIGINT, NULL, &osv);
- parintr = (void (*) ()) osv.sv_handler;
- (void) sigvec(SIGTERM, NULL, &osv);
- parterm = (void (*) ()) osv.sv_handler;
-
- if (loginsh) {
- (void) signal(SIGHUP, phup); /* exit processing on HUP */
- (void) signal(SIGXCPU, phup); /* ...and on XCPU */
- (void) signal(SIGXFSZ, phup); /* ...and on XFSZ */
- }
-
- /*
- * Process the arguments.
- *
- * Note that processing of -v/-x is actually delayed till after script
- * processing.
- *
- * We set the first character of our name to be '-' if we are a shell
- * running interruptible commands. Many programs which examine ps'es
- * use this to filter such shells out.
- */
- argc--, tempv++;
- while (argc > 0 && (tcp = tempv[0])[0] == '-' && *++tcp != '\0' && !batch) {
- do
- switch (*tcp++) {
-
- case 0: /* - Interruptible, no prompt */
- prompt = 0;
- setintr = 1;
- nofile = 1;
- break;
-
- case 'b': /* -b Next arg is input file */
- batch = 1;
- break;
-
- case 'c': /* -c Command input from arg */
- if (argc == 1)
- xexit(0);
- argc--, tempv++;
- arginp = SAVE(tempv[0]);
- prompt = 0;
- nofile = 1;
- break;
-
- case 'e': /* -e Exit on any error */
- exiterr = 1;
- break;
-
- case 'f': /* -f Fast start */
- fast = 1;
- break;
-
- case 'i': /* -i Interactive, even if !intty */
- intact = 1;
- nofile = 1;
- break;
-
- case 'm': /* -m read .cshrc (from su) */
- mflag = 1;
- break;
-
- case 'n': /* -n Don't execute */
- noexec = 1;
- break;
-
- case 'q': /* -q (Undoc'd) ... die on quit */
- quitit = 1;
- break;
-
- case 's': /* -s Read from std input */
- nofile = 1;
- break;
-
- case 't': /* -t Read one line from input */
- onelflg = 2;
- prompt = 0;
- nofile = 1;
- break;
-
- case 'v': /* -v Echo hist expanded input */
- nverbose = 1; /* ... later */
- break;
-
- case 'x': /* -x Echo just before execution */
- nexececho = 1; /* ... later */
- break;
-
- case 'V': /* -V Echo hist expanded input */
- setNS(STRverbose); /* NOW! */
- break;
-
- case 'X': /* -X Echo just before execution */
- setNS(STRecho); /* NOW! */
- break;
-
- } while (*tcp);
- tempv++, argc--;
- }
-
- if (quitit) /* With all due haste, for debugging */
- (void) signal(SIGQUIT, SIG_DFL);
-
- /*
- * Unless prevented by -, -c, -i, -s, or -t, if there are remaining
- * arguments the first of them is the name of a shell file from which to
- * read commands.
- */
- if (nofile == 0 && argc > 0) {
- nofile = open(tempv[0], O_RDONLY);
- if (nofile < 0) {
- child = 1; /* So this doesn't return */
- stderror(ERR_SYSTEM, tempv[0], strerror(errno));
- }
- ffile = SAVE(tempv[0]);
- /*
- * Replace FSHIN. Handle /dev/std{in,out,err} specially
- * since once they are closed we cannot open them again.
- * In that case we use our own saved descriptors
- */
- if ((SHIN = dmove(nofile, FSHIN)) < 0)
- switch(nofile) {
- case 0:
- SHIN = FSHIN;
- break;
- case 1:
- SHIN = FSHOUT;
- break;
- case 2:
- SHIN = FSHERR;
- break;
- default:
- stderror(ERR_SYSTEM, tempv[0], strerror(errno));
- break;
- }
- (void) ioctl(SHIN, FIOCLEX, NULL);
- prompt = 0;
- /* argc not used any more */ tempv++;
- }
-
- intty = isatty(SHIN);
- intty |= intact;
- if (intty || (intact && isatty(SHOUT))) {
- if (!batch && (uid != euid || gid != egid)) {
- errno = EACCES;
- child = 1; /* So this doesn't return */
- stderror(ERR_SYSTEM, "csh", strerror(errno));
- }
- }
-
- /*
- * Re-initialize path if set in environment
- * importpath uses intty and intact
- */
- if ((tcp = getenv("PATH")) == NULL)
- set1(STRpath, defaultpath(), &shvhed);
- else
- importpath(SAVE(tcp));
-
- /*
- * Decide whether we should play with signals or not. If we are explicitly
- * told (via -i, or -) or we are a login shell (arg0 starts with -) or the
- * input and output are both the ttys("csh", or "csh</dev/ttyx>/dev/ttyx")
- * Note that in only the login shell is it likely that parent may have set
- * signals to be ignored
- */
- if (loginsh || intact || (intty && isatty(SHOUT)))
- setintr = 1;
- settell();
- /*
- * Save the remaining arguments in argv.
- */
- setq(STRargv, blk2short(tempv), &shvhed);
-
- /*
- * Set up the prompt.
- */
- if (prompt) {
- set(STRprompt, Strsave(uid == 0 ? STRsymhash : STRsymcent));
- /* that's a meta-questionmark */
- set(STRprompt2, Strsave(STRmquestion));
- }
-
- /*
- * If we are an interactive shell, then start fiddling with the signals;
- * this is a tricky game.
- */
- shpgrp = getpgrp();
- opgrp = tpgrp = -1;
- if (setintr) {
- **argv = '-';
- if (!quitit) /* Wary! */
- (void) signal(SIGQUIT, SIG_IGN);
- (void) signal(SIGINT, pintr);
- (void) sigblock(sigmask(SIGINT));
- (void) signal(SIGTERM, SIG_IGN);
- if (quitit == 0 && arginp == 0) {
- (void) signal(SIGTSTP, SIG_IGN);
- (void) signal(SIGTTIN, SIG_IGN);
- (void) signal(SIGTTOU, SIG_IGN);
- /*
- * Wait till in foreground, in case someone stupidly runs csh &
- * dont want to try to grab away the tty.
- */
- if (isatty(FSHERR))
- f = FSHERR;
- else if (isatty(FSHOUT))
- f = FSHOUT;
- else if (isatty(OLDSTD))
- f = OLDSTD;
- else
- f = -1;
- retry:
- if ((tpgrp = tcgetpgrp(f)) != -1) {
- if (tpgrp != shpgrp) {
- sig_t old = signal(SIGTTIN, SIG_DFL);
- (void) kill(0, SIGTTIN);
- (void) signal(SIGTTIN, old);
- goto retry;
- }
- opgrp = shpgrp;
- shpgrp = getpid();
- tpgrp = shpgrp;
- /*
- * Setpgid will fail if we are a session leader and
- * mypid == mypgrp (POSIX 4.3.3)
- */
- if (opgrp != shpgrp)
- if (setpgid(0, shpgrp) == -1)
- goto notty;
- /*
- * We do that after we set our process group, to make sure
- * that the process group belongs to a process in the same
- * session as the tty (our process and our group) (POSIX 7.2.4)
- */
- if (tcsetpgrp(f, shpgrp) == -1)
- goto notty;
- (void) ioctl(dcopy(f, FSHTTY), FIOCLEX, NULL);
- }
- if (tpgrp == -1) {
-notty:
- (void) fprintf(csherr, "Warning: no access to tty (%s).\n",
- strerror(errno));
- (void) fprintf(csherr, "Thus no job control in this shell.\n");
- }
- }
- }
- if ((setintr == 0) && (parintr == SIG_DFL))
- setintr = 1;
- (void) signal(SIGCHLD, pchild); /* while signals not ready */
-
- /*
- * Set an exit here in case of an interrupt or error reading the shell
- * start-up scripts.
- */
- reenter = setexit(); /* PWP */
- haderr = 0; /* In case second time through */
- if (!fast && reenter == 0) {
- /* Will have value(STRhome) here because set fast if don't */
- {
- int osetintr = setintr;
- sig_t oparintr = parintr;
- int omask = sigblock(sigmask(SIGINT));
-
- setintr = 0;
- parintr = SIG_IGN; /* Disable onintr */
-#ifdef _PATH_DOTCSHRC
- (void) srcfile(_PATH_DOTCSHRC, 0, 0);
-#endif
- if (!fast && !arginp && !onelflg)
- dohash(NULL, NULL);
-#ifdef _PATH_DOTLOGIN
- if (loginsh)
- (void) srcfile(_PATH_DOTLOGIN, 0, 0);
-#endif
- (void) sigsetmask(omask);
- setintr = osetintr;
- parintr = oparintr;
- }
- (void) srccat(value(STRhome), STRsldotcshrc);
-
- if (!fast && !arginp && !onelflg && !havhash)
- dohash(NULL, NULL);
- /*
- * Source history before .login so that it is available in .login
- */
- if ((cp = value(STRhistfile)) != STRNULL)
- loadhist[2] = cp;
- dosource(loadhist, NULL);
- if (loginsh)
- (void) srccat(value(STRhome), STRsldotlogin);
- }
-
- /*
- * Now are ready for the -v and -x flags
- */
- if (nverbose)
- setNS(STRverbose);
- if (nexececho)
- setNS(STRecho);
-
- /*
- * All the rest of the world is inside this call. The argument to process
- * indicates whether it should catch "error unwinds". Thus if we are a
- * interactive shell our call here will never return by being blown past on
- * an error.
- */
- process(setintr);
-
- /*
- * Mop-up.
- */
- if (intty) {
- if (loginsh) {
- (void) fprintf(cshout, "logout\n");
- (void) close(SHIN);
- child = 1;
- goodbye();
- }
- else {
- (void) fprintf(cshout, "exit\n");
- }
- }
- rechist();
- exitstat();
- return (0);
-}
-
-void
-untty()
-{
- if (tpgrp > 0) {
- (void) setpgid(0, opgrp);
- (void) tcsetpgrp(FSHTTY, opgrp);
- }
-}
-
-void
-importpath(cp)
- Char *cp;
-{
- int i = 0;
- Char *dp;
- Char **pv;
- int c;
-
- for (dp = cp; *dp; dp++)
- if (*dp == ':')
- i++;
- /*
- * i+2 where i is the number of colons in the path. There are i+1
- * directories in the path plus we need room for a zero terminator.
- */
- pv = (Char **) xcalloc((size_t) (i + 2), sizeof(Char **));
- dp = cp;
- i = 0;
- if (*dp)
- for (;;) {
- if ((c = *dp) == ':' || c == 0) {
- *dp = 0;
- if (*cp != '/' && (euid == 0 || uid == 0) &&
- (intact || (intty && isatty(SHOUT))))
- (void) fprintf(csherr,
- "Warning: imported path contains relative components\n");
- pv[i++] = Strsave(*cp ? cp : STRdot);
- if (c) {
- cp = dp + 1;
- *dp = ':';
- }
- else
- break;
- }
- dp++;
- }
- pv[i] = 0;
- set1(STRpath, pv, &shvhed);
-}
-
-/*
- * Source to the file which is the catenation of the argument names.
- */
-static int
-srccat(cp, dp)
- Char *cp, *dp;
-{
- Char *ep = Strspl(cp, dp);
- char *ptr = short2str(ep);
-
- xfree((ptr_t) ep);
- return srcfile(ptr, mflag ? 0 : 1, 0);
-}
-
-/*
- * Source to a file putting the file descriptor in a safe place (> 2).
- */
-static int
-srcfile(f, onlyown, flag)
- char *f;
- bool onlyown, flag;
-{
- int unit;
-
- if ((unit = open(f, O_RDONLY)) == -1)
- return 0;
- unit = dmove(unit, -1);
-
- (void) ioctl(unit, FIOCLEX, NULL);
- srcunit(unit, onlyown, flag);
- return 1;
-}
-
-/*
- * Source to a unit. If onlyown it must be our file or our group or
- * we don't chance it. This occurs on ".cshrc"s and the like.
- */
-int insource;
-static void
-srcunit(unit, onlyown, hflg)
- int unit;
- bool onlyown, hflg;
-{
- /* We have to push down a lot of state here */
- /* All this could go into a structure */
- int oSHIN = -1, oldintty = intty, oinsource = insource;
- struct whyle *oldwhyl = whyles;
- Char *ogointr = gointr, *oarginp = arginp;
- Char *oevalp = evalp, **oevalvec = evalvec;
- int oonelflg = onelflg;
- bool oenterhist = enterhist;
- char OHIST = HIST;
- bool otell = cantell;
-
- struct Bin saveB;
- volatile int omask;
- jmp_buf oldexit;
-
- /* The (few) real local variables */
- int my_reenter;
-
- if (unit < 0)
- return;
- if (didfds)
- donefds();
- if (onlyown) {
- struct stat stb;
-
- if (fstat(unit, &stb) < 0) {
- (void) close(unit);
- return;
- }
- }
-
- /*
- * There is a critical section here while we are pushing down the input
- * stream since we have stuff in different structures. If we weren't
- * careful an interrupt could corrupt SHIN's Bin structure and kill the
- * shell.
- *
- * We could avoid the critical region by grouping all the stuff in a single
- * structure and pointing at it to move it all at once. This is less
- * efficient globally on many variable references however.
- */
- insource = 1;
- getexit(oldexit);
- omask = 0;
-
- if (setintr)
- omask = sigblock(sigmask(SIGINT));
- /* Setup the new values of the state stuff saved above */
- memmove((char *) &(saveB), (char *) &B, sizeof(B));
- fbuf = NULL;
- fseekp = feobp = fblocks = 0;
- oSHIN = SHIN, SHIN = unit, arginp = 0, onelflg = 0;
- intty = isatty(SHIN), whyles = 0, gointr = 0;
- evalvec = 0;
- evalp = 0;
- enterhist = hflg;
- if (enterhist)
- HIST = '\0';
-
- /*
- * Now if we are allowing commands to be interrupted, we let ourselves be
- * interrupted.
- */
- if (setintr)
- (void) sigsetmask(omask);
- settell();
-
- if ((my_reenter = setexit()) == 0)
- process(0); /* 0 -> blow away on errors */
-
- if (setintr)
- (void) sigsetmask(omask);
- if (oSHIN >= 0) {
- int i;
-
- /* We made it to the new state... free up its storage */
- /* This code could get run twice but xfree doesn't care */
- for (i = 0; i < fblocks; i++)
- xfree((ptr_t) fbuf[i]);
- xfree((ptr_t) fbuf);
-
- /* Reset input arena */
- memmove((char *) &B, (char *) &(saveB), sizeof(B));
-
- (void) close(SHIN), SHIN = oSHIN;
- arginp = oarginp, onelflg = oonelflg;
- evalp = oevalp, evalvec = oevalvec;
- intty = oldintty, whyles = oldwhyl, gointr = ogointr;
- if (enterhist)
- HIST = OHIST;
- enterhist = oenterhist;
- cantell = otell;
- }
-
- resexit(oldexit);
- /*
- * If process reset() (effectively an unwind) then we must also unwind.
- */
- if (my_reenter)
- stderror(ERR_SILENT);
- insource = oinsource;
-}
-
-void
-rechist()
-{
- Char buf[BUFSIZ], hbuf[BUFSIZ], *hfile;
- int fp, ftmp, oldidfds;
- struct varent *shist;
-
- if (!fast) {
- /*
- * If $savehist is just set, we use the value of $history
- * else we use the value in $savehist
- */
- if ((shist = adrof(STRsavehist)) != NULL) {
- if (shist->vec[0][0] != '\0')
- (void) Strcpy(hbuf, shist->vec[0]);
- else if ((shist = adrof(STRhistory)) && shist->vec[0][0] != '\0')
- (void) Strcpy(hbuf, shist->vec[0]);
- else
- return;
- }
- else
- return;
-
- if ((hfile = value(STRhistfile)) == STRNULL) {
- hfile = Strcpy(buf, value(STRhome));
- (void) Strcat(buf, STRsldthist);
- }
-
- if ((fp = creat(short2str(hfile), 0600)) == -1)
- return;
-
- oldidfds = didfds;
- didfds = 0;
- ftmp = SHOUT;
- SHOUT = fp;
- dumphist[2] = hbuf;
- dohist(dumphist, NULL);
- SHOUT = ftmp;
- (void) close(fp);
- didfds = oldidfds;
- }
-}
-
-void
-goodbye()
-{
- rechist();
-
- if (loginsh) {
- (void) signal(SIGQUIT, SIG_IGN);
- (void) signal(SIGINT, SIG_IGN);
- (void) signal(SIGTERM, SIG_IGN);
- setintr = 0; /* No interrupts after "logout" */
- if (!(adrof(STRlogout)))
- set(STRlogout, STRnormal);
-#ifdef _PATH_DOTLOGOUT
- (void) srcfile(_PATH_DOTLOGOUT, 0, 0);
-#endif
- if (adrof(STRhome))
- (void) srccat(value(STRhome), STRsldtlogout);
- }
- exitstat();
-}
-
-void
-exitstat()
-{
- Char *s;
-#ifdef PROF
- monitor(0);
-#endif
- /*
- * Note that if STATUS is corrupted (i.e. getn bombs) then error will exit
- * directly because we poke child here. Otherwise we might continue
- * unwarrantedly (sic).
- */
- child = 1;
- s = value(STRstatus);
- xexit(s ? getn(s) : 0);
-}
-
-/*
- * in the event of a HUP we want to save the history
- */
-static void
-phup(sig)
-int sig;
-{
- rechist();
-
- /*
- * We kill the last foreground process group. It then becomes
- * responsible to propagate the SIGHUP to its progeny.
- */
- {
- struct process *pp, *np;
-
- for (pp = proclist.p_next; pp; pp = pp->p_next) {
- np = pp;
- /*
- * Find if this job is in the foreground. It could be that
- * the process leader has exited and the foreground flag
- * is cleared for it.
- */
- do
- /*
- * If a process is in the foreground; we try to kill
- * it's process group. If we succeed, then the
- * whole job is gone. Otherwise we keep going...
- * But avoid sending HUP to the shell again.
- */
- if ((np->p_flags & PFOREGND) != 0 && np->p_jobid != shpgrp &&
- killpg(np->p_jobid, SIGHUP) != -1) {
- /* In case the job was suspended... */
- (void) killpg(np->p_jobid, SIGCONT);
- break;
- }
- while ((np = np->p_friends) != pp);
- }
- }
- _exit(sig);
-}
-
-Char *jobargv[2] = {STRjobs, 0};
-
-/*
- * Catch an interrupt, e.g. during lexical input.
- * If we are an interactive shell, we reset the interrupt catch
- * immediately. In any case we drain the shell output,
- * and finally go through the normal error mechanism, which
- * gets a chance to make the shell go away.
- */
-/* ARGSUSED */
-void
-pintr(notused)
- int notused;
-{
- pintr1(1);
-}
-
-void
-pintr1(wantnl)
- bool wantnl;
-{
- Char **v;
- int omask;
-
- omask = sigblock(0);
- if (setintr) {
- (void) sigsetmask(omask & ~sigmask(SIGINT));
- if (pjobs) {
- pjobs = 0;
- (void) fprintf(cshout, "\n");
- dojobs(jobargv, NULL);
- stderror(ERR_NAME | ERR_INTR);
- }
- }
- (void) sigsetmask(omask & ~sigmask(SIGCHLD));
- (void) fpurge(cshout);
- (void) endpwent();
-
- /*
- * If we have an active "onintr" then we search for the label. Note that if
- * one does "onintr -" then we shan't be interruptible so we needn't worry
- * about that here.
- */
- if (gointr) {
- gotolab(gointr);
- timflg = 0;
- if ((v = pargv) != NULL)
- pargv = 0, blkfree(v);
- if ((v = gargv) != NULL)
- gargv = 0, blkfree(v);
- reset();
- }
- else if (intty && wantnl) {
- (void) fputc('\r', cshout);
- (void) fputc('\n', cshout);
- }
- stderror(ERR_SILENT);
-}
-
-/*
- * Process is the main driving routine for the shell.
- * It runs all command processing, except for those within { ... }
- * in expressions (which is run by a routine evalav in sh.exp.c which
- * is a stripped down process), and `...` evaluation which is run
- * also by a subset of this code in sh.glob.c in the routine backeval.
- *
- * The code here is a little strange because part of it is interruptible
- * and hence freeing of structures appears to occur when none is necessary
- * if this is ignored.
- *
- * Note that if catch is not set then we will unwind on any error.
- * If an end-of-file occurs, we return.
- */
-static struct command *savet = NULL;
-void
-process(catch)
- bool catch;
-{
- jmp_buf osetexit;
- struct command *t = savet;
-
- savet = NULL;
- getexit(osetexit);
- for (;;) {
- pendjob();
- paraml.next = paraml.prev = &paraml;
- paraml.word = STRNULL;
- (void) setexit();
- justpr = enterhist; /* execute if not entering history */
-
- /*
- * Interruptible during interactive reads
- */
- if (setintr)
- (void) sigsetmask(sigblock(0) & ~sigmask(SIGINT));
-
- /*
- * For the sake of reset()
- */
- freelex(&paraml);
- if (savet)
- freesyn(savet), savet = NULL;
-
- if (haderr) {
- if (!catch) {
- /* unwind */
- doneinp = 0;
- resexit(osetexit);
- savet = t;
- reset();
- }
- haderr = 0;
- /*
- * Every error is eventually caught here or the shell dies. It is
- * at this point that we clean up any left-over open files, by
- * closing all but a fixed number of pre-defined files. Thus
- * routines don't have to worry about leaving files open due to
- * deeper errors... they will get closed here.
- */
- closem();
- continue;
- }
- if (doneinp) {
- doneinp = 0;
- break;
- }
- if (chkstop)
- chkstop--;
- if (neednote)
- pnote();
- if (intty && prompt && evalvec == 0) {
- mailchk();
- /*
- * If we are at the end of the input buffer then we are going to
- * read fresh stuff. Otherwise, we are rereading input and don't
- * need or want to prompt.
- */
- if (aret == F_SEEK && fseekp == feobp)
- printprompt();
- (void) fflush(cshout);
- }
- if (seterr) {
- xfree((ptr_t) seterr);
- seterr = NULL;
- }
-
- /*
- * Echo not only on VERBOSE, but also with history expansion. If there
- * is a lexical error then we forego history echo.
- */
- if ((lex(&paraml) && !seterr && intty) || adrof(STRverbose)) {
- prlex(csherr, &paraml);
- }
-
- /*
- * The parser may lose space if interrupted.
- */
- if (setintr)
- (void) sigblock(sigmask(SIGINT));
-
- /*
- * Save input text on the history list if reading in old history, or it
- * is from the terminal at the top level and not in a loop.
- *
- * PWP: entry of items in the history list while in a while loop is done
- * elsewhere...
- */
- if (enterhist || (catch && intty && !whyles))
- savehist(&paraml);
-
- /*
- * Print lexical error messages, except when sourcing history lists.
- */
- if (!enterhist && seterr)
- stderror(ERR_OLD);
-
- /*
- * If had a history command :p modifier then this is as far as we
- * should go
- */
- if (justpr)
- reset();
-
- alias(&paraml);
-
- /*
- * Parse the words of the input into a parse tree.
- */
- savet = syntax(paraml.next, &paraml, 0);
- if (seterr)
- stderror(ERR_OLD);
-
- execute(savet, (tpgrp > 0 ? tpgrp : -1), NULL, NULL);
-
- /*
- * Made it!
- */
- freelex(&paraml);
- freesyn((struct command *) savet), savet = NULL;
- }
- resexit(osetexit);
- savet = t;
-}
-
-void
-/*ARGSUSED*/
-dosource(v, t)
- Char **v;
- struct command *t;
-
-{
- Char *f;
- bool hflg = 0;
- Char buf[BUFSIZ];
-
- v++;
- if (*v && eq(*v, STRmh)) {
- if (*++v == NULL)
- stderror(ERR_NAME | ERR_HFLAG);
- hflg++;
- }
- (void) Strcpy(buf, *v);
- f = globone(buf, G_ERROR);
- (void) strcpy((char *) buf, short2str(f));
- xfree((ptr_t) f);
- if (!srcfile((char *) buf, 0, hflg) && !hflg)
- stderror(ERR_SYSTEM, (char *) buf, strerror(errno));
-}
-
-/*
- * Check for mail.
- * If we are a login shell, then we don't want to tell
- * about any mail file unless its been modified
- * after the time we started.
- * This prevents us from telling the user things he already
- * knows, since the login program insists on saying
- * "You have mail."
- */
-static void
-mailchk()
-{
- struct varent *v;
- Char **vp;
- time_t t;
- int intvl, cnt;
- struct stat stb;
- bool new;
-
- v = adrof(STRmail);
- if (v == 0)
- return;
- (void) time(&t);
- vp = v->vec;
- cnt = blklen(vp);
- intvl = (cnt && number(*vp)) ? (--cnt, getn(*vp++)) : MAILINTVL;
- if (intvl < 1)
- intvl = 1;
- if (chktim + intvl > t)
- return;
- for (; *vp; vp++) {
- if (stat(short2str(*vp), &stb) < 0)
- continue;
- new = stb.st_mtime > time0.tv_sec;
- if (stb.st_size == 0 || stb.st_atime > stb.st_mtime ||
- (stb.st_atime < chktim && stb.st_mtime < chktim) ||
- (loginsh && !new))
- continue;
- if (cnt == 1)
- (void) fprintf(cshout, "You have %smail.\n", new ? "new " : "");
- else
- (void) fprintf(cshout, "%s in %s.\n", new ? "New mail" : "Mail",
- vis_str(*vp));
- }
- chktim = t;
-}
-
-/*
- * Extract a home directory from the password file
- * The argument points to a buffer where the name of the
- * user whose home directory is sought is currently.
- * We write the home directory of the user back there.
- */
-int
-gethdir(home)
- Char *home;
-{
- Char *h;
- struct passwd *pw;
-
- /*
- * Is it us?
- */
- if (*home == '\0') {
- if ((h = value(STRhome)) != NULL) {
- (void) Strcpy(home, h);
- return 0;
- }
- else
- return 1;
- }
-
- if ((pw = getpwnam(short2str(home))) != NULL) {
- (void) Strcpy(home, str2short(pw->pw_dir));
- return 0;
- }
- else
- return 1;
-}
-
-/*
- * When didfds is set, we do I/O from 0, 1, 2 otherwise from 15, 16, 17
- * We also check if the shell has already changed the descriptor to point to
- * 0, 1, 2 when didfds is set.
- */
-#define DESC(a) (*((int *) (a)) - (didfds && *((int *) a) >= FSHIN ? FSHIN : 0))
-
-static int
-readf(oreo, buf, siz)
- void *oreo;
- char *buf;
- int siz;
-{
- return read(DESC(oreo), buf, siz);
-}
-
-
-static int
-writef(oreo, buf, siz)
- void *oreo;
- const char *buf;
- int siz;
-{
- return write(DESC(oreo), buf, siz);
-}
-
-static fpos_t
-seekf(oreo, off, whence)
- void *oreo;
- fpos_t off;
- int whence;
-{
- return lseek(DESC(oreo), off, whence);
-}
-
-
-static int
-closef(oreo)
- void *oreo;
-{
- return close(DESC(oreo));
-}
-
-
-/*
- * Print the visible version of a string.
- */
-int
-vis_fputc(ch, fp)
- int ch;
- FILE *fp;
-{
- char uenc[5]; /* 4 + NULL */
-
- if (ch & QUOTE)
- return fputc(ch & TRIM, fp);
- /*
- * XXX: When we are in AsciiOnly we want all characters >= 0200 to
- * be encoded, but currently there is no way in vis to do that.
- */
- (void) vis(uenc, ch & TRIM, VIS_NOSLASH, 0);
- return fputs(uenc, fp);
-}
-
-/*
- * Move the initial descriptors to their eventual
- * resting places, closin all other units.
- */
-void
-initdesc()
-{
-
- didfds = 0; /* 0, 1, 2 aren't set up */
- (void) ioctl(SHIN = dcopy(0, FSHIN), FIOCLEX, NULL);
- (void) ioctl(SHOUT = dcopy(1, FSHOUT), FIOCLEX, NULL);
- (void) ioctl(SHERR = dcopy(2, FSHERR), FIOCLEX, NULL);
- (void) ioctl(OLDSTD = dcopy(SHIN, FOLDSTD), FIOCLEX, NULL);
- closem();
-}
-
-
-void
-#ifdef PROF
-done(i)
-#else
-xexit(i)
-#endif
- int i;
-{
- untty();
- _exit(i);
-}
-
-static Char **
-defaultpath()
-{
- char *ptr;
- Char **blk, **blkp;
- struct stat stb;
-
- blkp = blk = (Char **) xmalloc((size_t) sizeof(Char *) * 10);
-
-#define DIRAPPEND(a) \
- if (stat(ptr = a, &stb) == 0 && (stb.st_mode & S_IFMT) == S_IFDIR) \
- *blkp++ = SAVE(ptr)
-
- DIRAPPEND(_PATH_BIN);
- DIRAPPEND(_PATH_USRBIN);
-
-#undef DIRAPPEND
-
- if (euid != 0 && uid != 0)
- *blkp++ = Strsave(STRdot);
- *blkp = NULL;
- return (blk);
-}
-
-void
-printprompt()
-{
- Char *cp;
-
- if (!whyles) {
- for (cp = value(STRprompt); *cp; cp++)
- if (*cp == HIST)
- (void) fprintf(cshout, "%d", eventno + 1);
- else {
- if (*cp == '\\' && cp[1] == HIST)
- cp++;
- (void) vis_fputc(*cp | QUOTE, cshout);
- }
- }
- else
- /*
- * Prompt for forward reading loop body content.
- */
- (void) fprintf(cshout, "? ");
- (void) fflush(cshout);
-}
diff --git a/bin/csh/csh.h b/bin/csh/csh.h
deleted file mode 100644
index cf6723f..0000000
--- a/bin/csh/csh.h
+++ /dev/null
@@ -1,551 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)csh.h 8.1 (Berkeley) 5/31/93
- * $FreeBSD$
- */
-
-/*
- * Fundamental definitions which may vary from system to system.
- *
- * BUFSIZ The i/o buffering size; also limits word size
- * MAILINTVL How often to mailcheck; more often is more expensive
- */
-#ifndef BUFSIZ
-#define BUFSIZ 1024 /* default buffer size */
-#endif /* BUFSIZ */
-
-#define FORKSLEEP 10 /* delay loop on non-interactive fork failure */
-#define MAILINTVL 600 /* 10 minutes */
-
-/*
- * The shell moves std in/out/diag and the old std input away from units
- * 0, 1, and 2 so that it is easy to set up these standards for invoked
- * commands.
- */
-#define FSHTTY 15 /* /dev/tty when manip pgrps */
-#define FSHIN 16 /* Preferred desc for shell input */
-#define FSHOUT 17 /* ... shell output */
-#define FSHERR 18 /* ... shell diagnostics */
-#define FOLDSTD 19 /* ... old std input */
-
-#ifdef PROF
-#define xexit(n) done(n)
-#endif
-
-#ifdef SHORT_STRINGS
-typedef short Char;
-
-#define SAVE(a) (Strsave(str2short(a)))
-#else
-typedef char Char;
-
-#define SAVE(a) (strsave(a))
-#endif
-
-/*
- * Make sure a variable is not stored in a register by taking its address
- * This is used where variables might be clobbered by longjmp.
- */
-#define UNREGISTER(a) (void) &a
-
-typedef void *ioctl_t; /* Third arg of ioctl */
-
-typedef void *ptr_t;
-
-#include "const.h"
-#include "char.h"
-#include "errnum.h"
-
-#define xmalloc(i) Malloc(i)
-#define xrealloc(p, i) Realloc(p, i)
-#define xcalloc(n, s) Calloc(n, s)
-#define xfree(p) Free(p)
-
-#include <stdio.h>
-FILE *cshin, *cshout, *csherr;
-
-#define isdir(d) ((d.st_mode & S_IFMT) == S_IFDIR)
-
-typedef int bool;
-
-#define eq(a, b) (Strcmp(a, b) == 0)
-
-/* globone() flags */
-#define G_ERROR 0 /* default action: error if multiple words */
-#define G_IGNORE 1 /* ignore the rest of the words */
-#define G_APPEND 2 /* make a sentence by cat'ing the words */
-
-/*
- * Global flags
- */
-bool chkstop; /* Warned of stopped jobs... allow exit */
-bool didfds; /* Have setup i/o fd's for child */
-bool doneinp; /* EOF indicator after reset from readc */
-bool exiterr; /* Exit if error or non-zero exit status */
-bool child; /* Child shell ... errors cause exit */
-bool haderr; /* Reset was because of an error */
-bool intty; /* Input is a tty */
-bool intact; /* We are interactive... therefore prompt */
-bool justpr; /* Just print because of :p hist mod */
-bool loginsh; /* We are a loginsh -> .login/.logout */
-bool neednote; /* Need to pnotify() */
-bool noexec; /* Don't execute, just syntax check */
-bool pjobs; /* want to print jobs if interrupted */
-bool setintr; /* Set interrupts on/off -> Wait intr... */
-bool timflg; /* Time the next waited for command */
-bool havhash; /* path hashing is available */
-
-#ifdef FILEC
-bool filec; /* doing filename expansion */
-#endif
-
-/*
- * Global i/o info
- */
-Char *arginp; /* Argument input for sh -c and internal `xx` */
-int onelflg; /* 2 -> need line for -t, 1 -> exit on read */
-Char *ffile; /* Name of shell file for $0 */
-
-char *seterr; /* Error message from scanner/parser */
-Char *shtemp; /* Temp name for << shell files in /tmp */
-
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-
-struct timeval time0; /* Time at which the shell started */
-struct rusage ru0;
-
-/*
- * Miscellany
- */
-Char *doldol; /* Character pid for $$ */
-int backpid; /* Pid of the last background process */
-int uid, euid; /* Invokers uid */
-int gid, egid; /* Invokers gid */
-time_t chktim; /* Time mail last checked */
-int shpgrp; /* Pgrp of shell */
-int tpgrp; /* Terminal process group */
-
-/* If tpgrp is -1, leave tty alone! */
-int opgrp; /* Initial pgrp and tty pgrp */
-
-
-/*
- * To be able to redirect i/o for builtins easily, the shell moves the i/o
- * descriptors it uses away from 0,1,2.
- * Ideally these should be in units which are closed across exec's
- * (this saves work) but for version 6, this is not usually possible.
- * The desired initial values for these descriptors are F{SHIN,...}.
- */
-int SHIN; /* Current shell input (script) */
-int SHOUT; /* Shell output */
-int SHERR; /* Diagnostic output... shell errs go here */
-int OLDSTD; /* Old standard input (def for cmds) */
-
-/*
- * Error control
- *
- * Errors in scanning and parsing set up an error message to be printed
- * at the end and complete. Other errors always cause a reset.
- * Because of source commands and .cshrc we need nested error catches.
- */
-
-#include <setjmp.h>
-jmp_buf reslab;
-
-#define setexit() (setjmp(reslab))
-#define reset() longjmp(reslab, 1)
- /* Should use structure assignment here */
-#define getexit(a) memmove((char *)(a), (char *)reslab, sizeof reslab)
-#define resexit(a) memmove((char *)reslab, (char *)(a), sizeof reslab)
-
-Char *gointr; /* Label for an onintr transfer */
-
-#include <signal.h>
-sig_t parintr; /* Parents interrupt catch */
-sig_t parterm; /* Parents terminate catch */
-
-/*
- * Lexical definitions.
- *
- * All lexical space is allocated dynamically.
- * The eighth/sixteenth bit of characters is used to prevent recognition,
- * and eventually stripped.
- */
-#define META 0200
-#define ASCII 0177
-#ifdef SHORT_STRINGS
-#define CHAR 0377
-#define QUOTE 0100000 /* 16nth char bit used for 'ing */
-#define TRIM 0077777 /* Mask to strip quote bit */
-#else
-#define CHAR 0177
-#define QUOTE 0200 /* Eighth char bit used for 'ing */
-#define TRIM 0177 /* Mask to strip quote bit */
-#endif
-
-int AsciiOnly; /* If set only 7 bits is expected in characters */
-
-/*
- * Each level of input has a buffered input structure.
- * There are one or more blocks of buffered input for each level,
- * exactly one if the input is seekable and tell is available.
- * In other cases, the shell buffers enough blocks to keep all loops
- * in the buffer.
- */
-struct Bin {
- off_t Bfseekp; /* Seek pointer */
- off_t Bfbobp; /* Seekp of beginning of buffers */
- off_t Bfeobp; /* Seekp of end of buffers */
- int Bfblocks; /* Number of buffer blocks */
- Char **Bfbuf; /* The array of buffer blocks */
-} B;
-
-/*
- * This structure allows us to seek inside aliases
- */
-struct Ain {
- int type;
-#define I_SEEK -1 /* Invalid seek */
-#define A_SEEK 0 /* Alias seek */
-#define F_SEEK 1 /* File seek */
-#define E_SEEK 2 /* Eval seek */
- union {
- off_t _f_seek;
- Char* _c_seek;
- } fc;
-#define f_seek fc._f_seek
-#define c_seek fc._c_seek
- Char **a_seek;
-} ;
-extern int aret; /* What was the last character returned */
-#define SEEKEQ(a, b) ((a)->type == (b)->type && \
- (a)->f_seek == (b)->f_seek && \
- (a)->a_seek == (b)->a_seek)
-
-#define fseekp B.Bfseekp
-#define fbobp B.Bfbobp
-#define feobp B.Bfeobp
-#define fblocks B.Bfblocks
-#define fbuf B.Bfbuf
-
-/*
- * The shell finds commands in loops by reseeking the input
- * For whiles, in particular, it reseeks to the beginning of the
- * line the while was on; hence the while placement restrictions.
- */
-struct Ain lineloc;
-
-bool cantell; /* Is current source tellable ? */
-
-/*
- * Input lines are parsed into doubly linked circular
- * lists of words of the following form.
- */
-struct wordent {
- Char *word;
- struct wordent *prev;
- struct wordent *next;
-};
-
-/*
- * During word building, both in the initial lexical phase and
- * when expanding $ variable substitutions, expansion by `!' and `$'
- * must be inhibited when reading ahead in routines which are themselves
- * processing `!' and `$' expansion or after characters such as `\' or in
- * quotations. The following flags are passed to the getC routines
- * telling them which of these substitutions are appropriate for the
- * next character to be returned.
- */
-#define DODOL 1
-#define DOEXCL 2
-#define DOALL DODOL|DOEXCL
-
-/*
- * Labuf implements a general buffer for lookahead during lexical operations.
- * Text which is to be placed in the input stream can be stuck here.
- * We stick parsed ahead $ constructs during initial input,
- * process id's from `$$', and modified variable values (from qualifiers
- * during expansion in sh.dol.c) here.
- */
-Char *lap;
-
-/*
- * Parser structure
- *
- * Each command is parsed to a tree of command structures and
- * flags are set bottom up during this process, to be propagated down
- * as needed during the semantics/execution pass (sh.sem.c).
- */
-struct command {
- short t_dtyp; /* Type of node */
-#define NODE_COMMAND 1 /* t_dcom <t_dlef >t_drit */
-#define NODE_PAREN 2 /* ( t_dspr ) <t_dlef >t_drit */
-#define NODE_PIPE 3 /* t_dlef | t_drit */
-#define NODE_LIST 4 /* t_dlef ; t_drit */
-#define NODE_OR 5 /* t_dlef || t_drit */
-#define NODE_AND 6 /* t_dlef && t_drit */
- short t_dflg; /* Flags, e.g. F_AMPERSAND|... */
-#define F_SAVE (F_NICE|F_TIME|F_NOHUP) /* save these when re-doing */
-
-#define F_AMPERSAND (1<<0) /* executes in background */
-#define F_APPEND (1<<1) /* output is redirected >> */
-#define F_PIPEIN (1<<2) /* input is a pipe */
-#define F_PIPEOUT (1<<3) /* output is a pipe */
-#define F_NOFORK (1<<4) /* don't fork, last ()ized cmd */
-#define F_NOINTERRUPT (1<<5) /* should be immune from intr's */
-/* spare */
-#define F_STDERR (1<<7) /* redirect unit 2 with unit 1 */
-#define F_OVERWRITE (1<<8) /* output was ! */
-#define F_READ (1<<9) /* input redirection is << */
-#define F_REPEAT (1<<10) /* reexec aft if, repeat,... */
-#define F_NICE (1<<11) /* t_nice is meaningful */
-#define F_NOHUP (1<<12) /* nohup this command */
-#define F_TIME (1<<13) /* time this command */
- union {
- Char *T_dlef; /* Input redirect word */
- struct command *T_dcar; /* Left part of list/pipe */
- } L;
- union {
- Char *T_drit; /* Output redirect word */
- struct command *T_dcdr; /* Right part of list/pipe */
- } R;
-#define t_dlef L.T_dlef
-#define t_dcar L.T_dcar
-#define t_drit R.T_drit
-#define t_dcdr R.T_dcdr
- Char **t_dcom; /* Command/argument vector */
- struct command *t_dspr; /* Pointer to ()'d subtree */
- int t_nice;
-};
-
-
-/*
- * These are declared here because they want to be
- * initialized in sh.init.c (to allow them to be made readonly)
- */
-
-extern struct biltins {
- char *bname;
- void (*bfunct) __P((Char **, struct command *));
- short minargs, maxargs;
-} bfunc[];
-extern int nbfunc;
-
-extern struct srch {
- char *s_name;
- short s_value;
-} srchn[];
-extern int nsrchn;
-
-/*
- * The keywords for the parser
- */
-#define T_BREAK 0
-#define T_BRKSW 1
-#define T_CASE 2
-#define T_DEFAULT 3
-#define T_ELSE 4
-#define T_END 5
-#define T_ENDIF 6
-#define T_ENDSW 7
-#define T_EXIT 8
-#define T_FOREACH 9
-#define T_GOTO 10
-#define T_IF 11
-#define T_LABEL 12
-#define T_LET 13
-#define T_SET 14
-#define T_SWITCH 15
-#define T_TEST 16
-#define T_THEN 17
-#define T_WHILE 18
-
-/*
- * Structure defining the existing while/foreach loops at this
- * source level. Loops are implemented by seeking back in the
- * input. For foreach (fe), the word list is attached here.
- */
-struct whyle {
- struct Ain w_start; /* Point to restart loop */
- struct Ain w_end; /* End of loop (0 if unknown) */
- Char **w_fe, **w_fe0; /* Current/initial wordlist for fe */
- Char *w_fename; /* Name for fe */
- struct whyle *w_next; /* Next (more outer) loop */
-} *whyles;
-
-/*
- * Variable structure
- *
- * Aliases and variables are stored in AVL balanced binary trees.
- */
-struct varent {
- Char **vec; /* Array of words which is the value */
- Char *v_name; /* Name of variable/alias */
- struct varent *v_link[3]; /* The links, see below */
- int v_bal; /* Balance factor */
-} shvhed, aliases;
-
-#define v_left v_link[0]
-#define v_right v_link[1]
-#define v_parent v_link[2]
-
-#define adrof(v) adrof1(v, &shvhed)
-#define value(v) value1(v, &shvhed)
-
-/*
- * The following are for interfacing redo substitution in
- * aliases to the lexical routines.
- */
-struct wordent *alhistp; /* Argument list (first) */
-struct wordent *alhistt; /* Node after last in arg list */
-Char **alvec, *alvecp; /* The (remnants of) alias vector */
-
-/*
- * Filename/command name expansion variables
- */
-int gflag; /* After tglob -> is globbing needed? */
-
-#define MAXVARLEN 30 /* Maximum number of char in a variable name */
-
-/*
- * Variables for filename expansion
- */
-extern Char **gargv; /* Pointer to the (stack) arglist */
-extern long gargc; /* Number args in gargv */
-
-/*
- * Variables for command expansion.
- */
-extern Char **pargv; /* Pointer to the argv list space */
-extern long pargc; /* Count of arguments in pargv */
-Char *pargs; /* Pointer to start current word */
-long pnleft; /* Number of chars left in pargs */
-Char *pargcp; /* Current index into pargs */
-
-/*
- * History list
- *
- * Each history list entry contains an embedded wordlist
- * from the scanner, a number for the event, and a reference count
- * to aid in discarding old entries.
- *
- * Essentially "invisible" entries are put on the history list
- * when history substitution includes modifiers, and thrown away
- * at the next discarding since their event numbers are very negative.
- */
-struct Hist {
- struct wordent Hlex;
- int Hnum;
- int Href;
- struct Hist *Hnext;
-} Histlist;
-
-struct wordent paraml; /* Current lexical word list */
-int eventno; /* Next events number */
-int lastev; /* Last event reference (default) */
-
-Char HIST; /* history invocation character */
-Char HISTSUB; /* auto-substitute character */
-
-/*
- * strings.h:
- */
-#ifndef SHORT_STRINGS
-#define Strchr(a, b) strchr(a, b)
-#define Strrchr(a, b) strrchr(a, b)
-#define Strcat(a, b) strcat(a, b)
-#define Strncat(a, b, c) strncat(a, b, c)
-#define Strcpy(a, b) strcpy(a, b)
-#define Strncpy(a, b, c) strncpy(a, b, c)
-#define Strlen(a) strlen(a)
-#define Strcmp(a, b) strcmp(a, b)
-#define Strncmp(a, b, c) strncmp(a, b, c)
-
-#define Strspl(a, b) strspl(a, b)
-#define Strsave(a) strsave(a)
-#define Strend(a) strend(a)
-#define Strstr(a, b) strstr(a, b)
-
-#define str2short(a) (a)
-#define blk2short(a) saveblk(a)
-#define short2blk(a) saveblk(a)
-#define short2str(a) strip(a)
-#else
-#define Strchr(a, b) s_strchr(a, b)
-#define Strrchr(a, b) s_strrchr(a, b)
-#define Strcat(a, b) s_strcat(a, b)
-#define Strncat(a, b, c) s_strncat(a, b, c)
-#define Strcpy(a, b) s_strcpy(a, b)
-#define Strncpy(a, b, c) s_strncpy(a, b, c)
-#define Strlen(a) s_strlen(a)
-#define Strcmp(a, b) s_strcmp(a, b)
-#define Strncmp(a, b, c) s_strncmp(a, b, c)
-
-#define Strspl(a, b) s_strspl(a, b)
-#define Strsave(a) s_strsave(a)
-#define Strend(a) s_strend(a)
-#define Strstr(a, b) s_strstr(a, b)
-#endif
-
-/*
- * setname is a macro to save space (see sh.err.c)
- */
-char *bname;
-
-#define setname(a) (bname = (a))
-
-Char *Vsav;
-Char *Vdp;
-Char *Vexpath;
-char **Vt;
-
-Char **evalvec;
-Char *evalp;
-
-/* word_chars is set by default to WORD_CHARS but can be overridden by
- the wordchars variable--if unset, reverts to WORD_CHARS */
-
-Char *word_chars;
-
-#define WORD_CHARS "*?_-.[]~=" /* default chars besides alnums in words */
-
-Char *STR_SHELLPATH;
-
-#include <paths.h>
-#ifdef _PATH_BSHELL
-Char *STR_BSHELL;
-#endif
-Char *STR_WORD_CHARS;
-Char **STR_environ;
diff --git a/bin/csh/dir.c b/bin/csh/dir.c
deleted file mode 100644
index 62acd39..0000000
--- a/bin/csh/dir.c
+++ /dev/null
@@ -1,933 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)dir.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/param.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "dir.h"
-#include "extern.h"
-
-/* Directory management. */
-
-static struct directory
- *dfind __P((Char *));
-static Char *dfollow __P((Char *));
-static void printdirs __P((void));
-static Char *dgoto __P((Char *));
-static void dnewcwd __P((struct directory *));
-static void dset __P((Char *));
-
-struct directory dhead; /* "head" of loop */
-int printd; /* force name to be printed */
-
-static int dirflag = 0;
-
-/*
- * dinit - initialize current working directory
- */
-void
-dinit(hp)
- Char *hp;
-{
- char *tcp;
- Char *cp;
- struct directory *dp;
- char path[MAXPATHLEN];
- static char *emsg = "csh: Trying to start from \"%s\"\n";
-
- /* Don't believe the login shell home, because it may be a symlink */
- tcp = getcwd(path, MAXPATHLEN); /* see ngetwd.c for System V version */
- if (tcp == NULL || *tcp == '\0') {
- (void) fprintf(csherr, "csh: %s: %s\n", path, strerror(errno));
- if (hp && *hp) {
- tcp = short2str(hp);
- if (chdir(tcp) == -1)
- cp = NULL;
- else
- cp = hp;
- (void) fprintf(csherr, emsg, vis_str(hp));
- }
- else
- cp = NULL;
- if (cp == NULL) {
- (void) fprintf(csherr, emsg, "/");
- if (chdir("/") == -1)
- /* I am not even try to print an error message! */
- xexit(1);
- cp = SAVE("/");
- }
- }
- else {
- struct stat swd, shp;
-
- /*
- * See if $HOME is the working directory we got and use that
- */
- if (hp && *hp &&
- stat(tcp, &swd) != -1 && stat(short2str(hp), &shp) != -1 &&
- swd.st_dev == shp.st_dev && swd.st_ino == shp.st_ino)
- cp = hp;
- else {
- char *cwd;
-
- /*
- * use PWD if we have it (for subshells)
- */
- if ((cwd = getenv("PWD")) != NULL) {
- if (stat(cwd, &shp) != -1 && swd.st_dev == shp.st_dev &&
- swd.st_ino == shp.st_ino)
- tcp = cwd;
- }
- cp = dcanon(SAVE(tcp), STRNULL);
- }
- }
-
- dp = (struct directory *) xcalloc(sizeof(struct directory), 1);
- dp->di_name = Strsave(cp);
- dp->di_count = 0;
- dhead.di_next = dhead.di_prev = dp;
- dp->di_next = dp->di_prev = &dhead;
- printd = 0;
- dnewcwd(dp);
-}
-
-static void
-dset(dp)
-Char *dp;
-{
- /*
- * Don't call set() directly cause if the directory contains ` or
- * other junk characters glob will fail.
- */
- Char **vec = (Char **) xmalloc((size_t) (2 * sizeof(Char **)));
-
- vec[0] = Strsave(dp);
- vec[1] = 0;
- setq(STRcwd, vec, &shvhed);
- Setenv(STRPWD, dp);
-}
-
-#define DIR_LONG 1
-#define DIR_VERT 2
-#define DIR_LINE 4
-
-static void
-skipargs(v, str)
- Char ***v;
- char *str;
-{
- Char **n = *v, *s;
-
- dirflag = 0;
- for (n++; *n != NULL && (*n)[0] == '-'; n++)
- for (s = &((*n)[1]); *s; s++)
- switch (*s) {
- case 'l':
- dirflag |= DIR_LONG;
- break;
- case 'v':
- dirflag |= DIR_VERT;
- break;
- case 'n':
- dirflag |= DIR_LINE;
- break;
- default:
- stderror(ERR_DIRUS, vis_str(**v), str);
- break;
- }
- *v = n;
-}
-
-/*
- * dodirs - list all directories in directory loop
- */
-void
-/*ARGSUSED*/
-dodirs(v, t)
- Char **v;
- struct command *t;
-{
- skipargs(&v, "");
-
- if (*v != NULL)
- stderror(ERR_DIRUS, "dirs", "");
- printdirs();
-}
-
-static void
-printdirs()
-{
- struct directory *dp;
- Char *s, *hp = value(STRhome);
- int idx, len, cur;
-
- if (*hp == '\0')
- hp = NULL;
- dp = dcwd;
- idx = 0;
- cur = 0;
- do {
- if (dp == &dhead)
- continue;
- if (dirflag & DIR_VERT) {
- (void) fprintf(cshout, "%d\t", idx++);
- cur = 0;
- }
- if (!(dirflag & DIR_LONG) && hp != NULL && !eq(hp, STRslash) &&
- (len = Strlen(hp), Strncmp(hp, dp->di_name, len) == 0) &&
- (dp->di_name[len] == '\0' || dp->di_name[len] == '/'))
- len = Strlen(s = (dp->di_name + len)) + 2;
- else
- len = Strlen(s = dp->di_name) + 1;
-
- cur += len;
- if ((dirflag & DIR_LINE) && cur >= 80 - 1 && len < 80) {
- (void) fprintf(cshout, "\n");
- cur = len;
- }
- (void) fprintf(cshout, s != dp->di_name ? "~%s%c" : "%s%c",
- vis_str(s), (dirflag & DIR_VERT) ? '\n' : ' ');
- } while ((dp = dp->di_prev) != dcwd);
- if (!(dirflag & DIR_VERT))
- (void) fprintf(cshout, "\n");
-}
-
-void
-dtildepr(home, dir)
- Char *home, *dir;
-{
-
- if (!eq(home, STRslash) && prefix(home, dir))
- (void) fprintf(cshout, "~%s", vis_str(dir + Strlen(home)));
- else
- (void) fprintf(cshout, "%s", vis_str(dir));
-}
-
-void
-dtilde()
-{
- struct directory *d = dcwd;
-
- do {
- if (d == &dhead)
- continue;
- d->di_name = dcanon(d->di_name, STRNULL);
- } while ((d = d->di_prev) != dcwd);
-
- dset(dcwd->di_name);
-}
-
-
-/* dnormalize():
- * If the name starts with . or .. then we might need to normalize
- * it depending on the symbolic link flags
- */
-Char *
-dnormalize(cp)
- Char *cp;
-{
-
-#define UC (unsigned char)
-#define ISDOT(c) (UC(c)[0] == '.' && ((UC(c)[1] == '\0') || (UC(c)[1] == '/')))
-#define ISDOTDOT(c) (UC(c)[0] == '.' && ISDOT(&((c)[1])))
-
- if ((unsigned char) cp[0] == '/')
- return (Strsave(cp));
-
- if (adrof(STRignore_symlinks)) {
- int dotdot = 0;
- Char *dp, *cwd;
-
- cwd = (Char *) xmalloc((size_t) ((Strlen(dcwd->di_name) + 3) *
- sizeof(Char)));
- (void) Strcpy(cwd, dcwd->di_name);
-
- /*
- * Ignore . and count ..'s
- */
- while (*cp) {
- if (ISDOT(cp)) {
- if (*++cp)
- cp++;
- }
- else if (ISDOTDOT(cp)) {
- dotdot++;
- cp += 2;
- if (*cp)
- cp++;
- }
- else
- break;
- }
- while (dotdot > 0)
- if ((dp = Strrchr(cwd, '/'))) {
- *dp = '\0';
- dotdot--;
- }
- else
- break;
-
- if (*cp) {
- cwd[dotdot = Strlen(cwd)] = '/';
- cwd[dotdot + 1] = '\0';
- dp = Strspl(cwd, cp);
- xfree((ptr_t) cwd);
- return dp;
- }
- else {
- if (!*cwd) {
- cwd[0] = '/';
- cwd[1] = '\0';
- }
- return cwd;
- }
- }
- return Strsave(cp);
-}
-
-/*
- * dochngd - implement chdir command.
- */
-void
-/*ARGSUSED*/
-dochngd(v, t)
- Char **v;
- struct command *t;
-{
- Char *cp;
- struct directory *dp;
-
- skipargs(&v, " [<dir>]");
- printd = 0;
- if (*v == NULL) {
- if ((cp = value(STRhome)) == NULL || *cp == 0)
- stderror(ERR_NAME | ERR_NOHOMEDIR);
- if (chdir(short2str(cp)) < 0)
- stderror(ERR_NAME | ERR_CANTCHANGE);
- cp = Strsave(cp);
- }
- else if (v[1] != NULL) {
- stderror(ERR_NAME | ERR_TOOMANY);
- /* NOTREACHED */
- return;
- }
- else if ((dp = dfind(*v)) != 0) {
- char *tmp;
-
- printd = 1;
- if (chdir(tmp = short2str(dp->di_name)) < 0)
- stderror(ERR_SYSTEM, tmp, strerror(errno));
- dcwd->di_prev->di_next = dcwd->di_next;
- dcwd->di_next->di_prev = dcwd->di_prev;
- dfree(dcwd);
- dnewcwd(dp);
- return;
- }
- else
- cp = dfollow(*v);
- dp = (struct directory *) xcalloc(sizeof(struct directory), 1);
- dp->di_name = cp;
- dp->di_count = 0;
- dp->di_next = dcwd->di_next;
- dp->di_prev = dcwd->di_prev;
- dp->di_prev->di_next = dp;
- dp->di_next->di_prev = dp;
- dfree(dcwd);
- dnewcwd(dp);
-}
-
-static Char *
-dgoto(cp)
- Char *cp;
-{
- Char *dp;
-
- if (*cp != '/') {
- Char *p, *q;
- int cwdlen;
-
- for (p = dcwd->di_name; *p++;)
- continue;
- if ((cwdlen = p - dcwd->di_name - 1) == 1) /* root */
- cwdlen = 0;
- for (p = cp; *p++;)
- continue;
- dp = (Char *) xmalloc((size_t)((cwdlen + (p - cp) + 1) * sizeof(Char)));
- for (p = dp, q = dcwd->di_name; (*p++ = *q++) != '\0';)
- continue;
- if (cwdlen)
- p[-1] = '/';
- else
- p--; /* don't add a / after root */
- for (q = cp; (*p++ = *q++) != '\0';)
- continue;
- xfree((ptr_t) cp);
- cp = dp;
- dp += cwdlen;
- }
- else
- dp = cp;
-
- cp = dcanon(cp, dp);
- return cp;
-}
-
-/*
- * dfollow - change to arg directory; fall back on cdpath if not valid
- */
-static Char *
-dfollow(cp)
- Char *cp;
-{
- Char *dp;
- struct varent *c;
- char ebuf[MAXPATHLEN];
- int serrno;
-
- cp = globone(cp, G_ERROR);
- /*
- * if we are ignoring symlinks, try to fix relatives now.
- */
- dp = dnormalize(cp);
- if (chdir(short2str(dp)) >= 0) {
- xfree((ptr_t) cp);
- return dgoto(dp);
- }
- else {
- xfree((ptr_t) dp);
- if (chdir(short2str(cp)) >= 0)
- return dgoto(cp);
- serrno = errno;
- }
-
- if (cp[0] != '/' && !prefix(STRdotsl, cp) && !prefix(STRdotdotsl, cp)
- && (c = adrof(STRcdpath))) {
- Char **cdp;
- Char *p;
- Char buf[MAXPATHLEN];
-
- for (cdp = c->vec; *cdp; cdp++) {
- for (dp = buf, p = *cdp; (*dp++ = *p++) != '\0';)
- continue;
- dp[-1] = '/';
- for (p = cp; (*dp++ = *p++) != '\0';)
- continue;
- if (chdir(short2str(buf)) >= 0) {
- printd = 1;
- xfree((ptr_t) cp);
- cp = Strsave(buf);
- return dgoto(cp);
- }
- }
- }
- dp = value(cp);
- if ((dp[0] == '/' || dp[0] == '.') && chdir(short2str(dp)) >= 0) {
- xfree((ptr_t) cp);
- cp = Strsave(dp);
- printd = 1;
- return dgoto(cp);
- }
- (void) strcpy(ebuf, short2str(cp));
- xfree((ptr_t) cp);
- stderror(ERR_SYSTEM, ebuf, strerror(serrno));
- return (NULL);
-}
-
-
-/*
- * dopushd - push new directory onto directory stack.
- * with no arguments exchange top and second.
- * with numeric argument (+n) bring it to top.
- */
-void
-/*ARGSUSED*/
-dopushd(v, t)
- Char **v;
- struct command *t;
-{
- struct directory *dp;
-
- skipargs(&v, " [<dir>|+<n>]");
- printd = 1;
- if (*v == NULL) {
- char *tmp;
-
- if ((dp = dcwd->di_prev) == &dhead)
- dp = dhead.di_prev;
- if (dp == dcwd)
- stderror(ERR_NAME | ERR_NODIR);
- if (chdir(tmp = short2str(dp->di_name)) < 0)
- stderror(ERR_SYSTEM, tmp, strerror(errno));
- dp->di_prev->di_next = dp->di_next;
- dp->di_next->di_prev = dp->di_prev;
- dp->di_next = dcwd->di_next;
- dp->di_prev = dcwd;
- dcwd->di_next->di_prev = dp;
- dcwd->di_next = dp;
- }
- else if (v[1] != NULL) {
- stderror(ERR_NAME | ERR_TOOMANY);
- /* NOTREACHED */
- return;
- }
- else if ((dp = dfind(*v)) != NULL) {
- char *tmp;
-
- if (chdir(tmp = short2str(dp->di_name)) < 0)
- stderror(ERR_SYSTEM, tmp, strerror(errno));
- }
- else {
- Char *ccp;
-
- ccp = dfollow(*v);
- dp = (struct directory *) xcalloc(sizeof(struct directory), 1);
- dp->di_name = ccp;
- dp->di_count = 0;
- dp->di_prev = dcwd;
- dp->di_next = dcwd->di_next;
- dcwd->di_next = dp;
- dp->di_next->di_prev = dp;
- }
- dnewcwd(dp);
-}
-
-/*
- * dfind - find a directory if specified by numeric (+n) argument
- */
-static struct directory *
-dfind(cp)
- Char *cp;
-{
- struct directory *dp;
- int i;
- Char *ep;
-
- if (*cp++ != '+')
- return (0);
- for (ep = cp; Isdigit(*ep); ep++)
- continue;
- if (*ep)
- return (0);
- i = getn(cp);
- if (i <= 0)
- return (0);
- for (dp = dcwd; i != 0; i--) {
- if ((dp = dp->di_prev) == &dhead)
- dp = dp->di_prev;
- if (dp == dcwd)
- stderror(ERR_NAME | ERR_DEEP);
- }
- return (dp);
-}
-
-/*
- * dopopd - pop a directory out of the directory stack
- * with a numeric argument just discard it.
- */
-void
-/*ARGSUSED*/
-dopopd(v, t)
- Char **v;
- struct command *t;
-{
- struct directory *dp, *p = NULL;
-
- skipargs(&v, " [+<n>]");
- printd = 1;
- if (*v == NULL)
- dp = dcwd;
- else if (v[1] != NULL) {
- stderror(ERR_NAME | ERR_TOOMANY);
- /* NOTREACHED */
- return;
- }
- else if ((dp = dfind(*v)) == 0)
- stderror(ERR_NAME | ERR_BADDIR);
- if (dp->di_prev == &dhead && dp->di_next == &dhead)
- stderror(ERR_NAME | ERR_EMPTY);
- if (dp == dcwd) {
- char *tmp;
-
- if ((p = dp->di_prev) == &dhead)
- p = dhead.di_prev;
- if (chdir(tmp = short2str(p->di_name)) < 0)
- stderror(ERR_SYSTEM, tmp, strerror(errno));
- }
- dp->di_prev->di_next = dp->di_next;
- dp->di_next->di_prev = dp->di_prev;
- if (dp == dcwd)
- dnewcwd(p);
- else {
- printdirs();
- }
- dfree(dp);
-}
-
-/*
- * dfree - free the directory (or keep it if it still has ref count)
- */
-void
-dfree(dp)
- struct directory *dp;
-{
-
- if (dp->di_count != 0) {
- dp->di_next = dp->di_prev = 0;
- }
- else {
- xfree((char *) dp->di_name);
- xfree((ptr_t) dp);
- }
-}
-
-/*
- * dcanon - canonicalize the pathname, removing excess ./ and ../ etc.
- * we are of course assuming that the file system is standardly
- * constructed (always have ..'s, directories have links)
- */
-Char *
-dcanon(cp, p)
- Char *cp, *p;
-{
- Char *sp;
- Char *p1, *p2; /* general purpose */
- bool slash;
-
- Char link[MAXPATHLEN];
- char tlink[MAXPATHLEN];
- int cc;
- Char *newcp;
-
- /*
- * christos: if the path given does not start with a slash prepend cwd. If
- * cwd does not start with a path or the result would be too long abort().
- */
- if (*cp != '/') {
- Char tmpdir[MAXPATHLEN];
-
- p1 = value(STRcwd);
- if (p1 == NULL || *p1 != '/')
- abort();
- if (Strlen(p1) + Strlen(cp) + 1 >= MAXPATHLEN)
- abort();
- (void) Strcpy(tmpdir, p1);
- (void) Strcat(tmpdir, STRslash);
- (void) Strcat(tmpdir, cp);
- xfree((ptr_t) cp);
- cp = p = Strsave(tmpdir);
- }
-
- while (*p) { /* for each component */
- sp = p; /* save slash address */
- while (*++p == '/') /* flush extra slashes */
- continue;
- if (p != ++sp)
- for (p1 = sp, p2 = p; (*p1++ = *p2++) != '\0';)
- continue;
- p = sp; /* save start of component */
- slash = 0;
- while (*++p) /* find next slash or end of path */
- if (*p == '/') {
- slash = 1;
- *p = 0;
- break;
- }
-
- if (*sp == '\0') /* if component is null */
- if (--sp == cp) /* if path is one char (i.e. /) */
- break;
- else
- *sp = '\0';
- else if (sp[0] == '.' && sp[1] == 0) {
- if (slash) {
- for (p1 = sp, p2 = p + 1; (*p1++ = *p2++) != '\0';)
- continue;
- p = --sp;
- }
- else if (--sp != cp)
- *sp = '\0';
- }
- else if (sp[0] == '.' && sp[1] == '.' && sp[2] == 0) {
- /*
- * We have something like "yyy/xxx/..", where "yyy" can be null or
- * a path starting at /, and "xxx" is a single component. Before
- * compressing "xxx/..", we want to expand "yyy/xxx", if it is a
- * symbolic link.
- */
- *--sp = 0; /* form the pathname for readlink */
- if (sp != cp && !adrof(STRignore_symlinks) &&
- (cc = readlink(short2str(cp), tlink, sizeof(tlink) - 1)) >= 0) {
- (void) Strcpy(link, str2short(tlink));
- link[cc] = '\0';
-
- if (slash)
- *p = '/';
- /*
- * Point p to the '/' in "/..", and restore the '/'.
- */
- *(p = sp) = '/';
- /*
- * find length of p
- */
- for (p1 = p; *p1++;)
- continue;
- if (*link != '/') {
- /*
- * Relative path, expand it between the "yyy/" and the
- * "/..". First, back sp up to the character past "yyy/".
- */
- while (*--sp != '/')
- continue;
- sp++;
- *sp = 0;
- /*
- * New length is "yyy/" + link + "/.." and rest
- */
- p1 = newcp = (Char *) xmalloc((size_t)
- (((sp - cp) + cc + (p1 - p)) *
- sizeof(Char)));
- /*
- * Copy new path into newcp
- */
- for (p2 = cp; (*p1++ = *p2++) != '\0';)
- continue;
- for (p1--, p2 = link; (*p1++ = *p2++) != '\0';)
- continue;
- for (p1--, p2 = p; (*p1++ = *p2++) != '\0';)
- continue;
- /*
- * Restart canonicalization at expanded "/xxx".
- */
- p = sp - cp - 1 + newcp;
- }
- else {
- /*
- * New length is link + "/.." and rest
- */
- p1 = newcp = (Char *) xmalloc((size_t)
- ((cc + (p1 - p)) * sizeof(Char)));
- /*
- * Copy new path into newcp
- */
- for (p2 = link; (*p1++ = *p2++) != '\0';)
- continue;
- for (p1--, p2 = p; (*p1++ = *p2++) != '\0';)
- continue;
- /*
- * Restart canonicalization at beginning
- */
- p = newcp;
- }
- xfree((ptr_t) cp);
- cp = newcp;
- continue; /* canonicalize the link */
- }
- *sp = '/';
- if (sp != cp)
- while (*--sp != '/')
- continue;
- if (slash) {
- for (p1 = sp + 1, p2 = p + 1; (*p1++ = *p2++) != '\0';)
- continue;
- p = sp;
- }
- else if (cp == sp)
- *++sp = '\0';
- else
- *sp = '\0';
- }
- else { /* normal dir name (not . or .. or nothing) */
-
- if (sp != cp && adrof(STRchase_symlinks) &&
- !adrof(STRignore_symlinks) &&
- (cc = readlink(short2str(cp), tlink, sizeof(tlink) - 1)) >= 0) {
- (void) Strcpy(link, str2short(tlink));
- link[cc] = '\0';
-
- /*
- * restore the '/'.
- */
- if (slash)
- *p = '/';
-
- /*
- * point sp to p (rather than backing up).
- */
- sp = p;
-
- /*
- * find length of p
- */
- for (p1 = p; *p1++;)
- continue;
- if (*link != '/') {
- /*
- * Relative path, expand it between the "yyy/" and the
- * remainder. First, back sp up to the character past
- * "yyy/".
- */
- while (*--sp != '/')
- continue;
- sp++;
- *sp = 0;
- /*
- * New length is "yyy/" + link + "/.." and rest
- */
- p1 = newcp = (Char *) xmalloc((size_t)
- (((sp - cp) + cc + (p1 - p))
- * sizeof(Char)));
- /*
- * Copy new path into newcp
- */
- for (p2 = cp; (*p1++ = *p2++) != '\0';)
- continue;
- for (p1--, p2 = link; (*p1++ = *p2++) != '\0';)
- continue;
- for (p1--, p2 = p; (*p1++ = *p2++) != '\0';)
- continue;
- /*
- * Restart canonicalization at expanded "/xxx".
- */
- p = sp - cp - 1 + newcp;
- }
- else {
- /*
- * New length is link + the rest
- */
- p1 = newcp = (Char *) xmalloc((size_t)
- ((cc + (p1 - p)) * sizeof(Char)));
- /*
- * Copy new path into newcp
- */
- for (p2 = link; (*p1++ = *p2++) != '\0';)
- continue;
- for (p1--, p2 = p; (*p1++ = *p2++) != '\0';)
- continue;
- /*
- * Restart canonicalization at beginning
- */
- p = newcp;
- }
- xfree((ptr_t) cp);
- cp = newcp;
- continue; /* canonicalize the link */
- }
- if (slash)
- *p = '/';
- }
- }
-
- /*
- * fix home...
- */
- p1 = value(STRhome);
- cc = Strlen(p1);
- /*
- * See if we're not in a subdir of STRhome
- */
- if (p1 && *p1 == '/' &&
- (Strncmp(p1, cp, cc) != 0 || (cp[cc] != '/' && cp[cc] != '\0'))) {
- static ino_t home_ino = -1;
- static dev_t home_dev = -1;
- static Char *home_ptr = NULL;
- struct stat statbuf;
-
- /*
- * Get dev and ino of STRhome
- */
- if (home_ptr != p1 &&
- stat(short2str(p1), &statbuf) != -1) {
- home_dev = statbuf.st_dev;
- home_ino = statbuf.st_ino;
- home_ptr = p1;
- }
- /*
- * Start comparing dev & ino backwards
- */
- p2 = Strcpy(link, cp);
- for (sp = NULL; *p2 && stat(short2str(p2), &statbuf) != -1;) {
- if (statbuf.st_dev == home_dev &&
- statbuf.st_ino == home_ino) {
- sp = (Char *) - 1;
- break;
- }
- if ((sp = Strrchr(p2, '/')) != NULL)
- *sp = '\0';
- }
- /*
- * See if we found it
- */
- if (*p2 && sp == (Char *) -1) {
- /*
- * Use STRhome to make '~' work
- */
- newcp = Strspl(p1, cp + Strlen(p2));
- xfree((ptr_t) cp);
- cp = newcp;
- }
- }
- return cp;
-}
-
-
-/*
- * dnewcwd - make a new directory in the loop the current one
- */
-static void
-dnewcwd(dp)
- struct directory *dp;
-{
- dcwd = dp;
- dset(dcwd->di_name);
- if (printd && !(adrof(STRpushdsilent)))
- printdirs();
-}
diff --git a/bin/csh/dir.h b/bin/csh/dir.h
deleted file mode 100644
index 285acb7..0000000
--- a/bin/csh/dir.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)dir.h 8.1 (Berkeley) 5/31/93
- * $FreeBSD$
- */
-
-/*
- * Structure for entries in directory stack.
- */
-struct directory {
- struct directory *di_next; /* next in loop */
- struct directory *di_prev; /* prev in loop */
- unsigned short *di_count; /* refcount of processes */
- Char *di_name; /* actual name */
-};
-struct directory *dcwd; /* the one we are in now */
diff --git a/bin/csh/dol.c b/bin/csh/dol.c
deleted file mode 100644
index fdab107..0000000
--- a/bin/csh/dol.c
+++ /dev/null
@@ -1,991 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)dol.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/types.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "extern.h"
-
-/*
- * These routines perform variable substitution and quoting via ' and ".
- * To this point these constructs have been preserved in the divided
- * input words. Here we expand variables and turn quoting via ' and " into
- * QUOTE bits on characters (which prevent further interpretation).
- * If the `:q' modifier was applied during history expansion, then
- * some QUOTEing may have occurred already, so we dont "trim()" here.
- */
-
-static int Dpeekc, Dpeekrd; /* Peeks for DgetC and Dreadc */
-static Char *Dcp, **Dvp; /* Input vector for Dreadc */
-
-#define DEOF -1
-
-#define unDgetC(c) Dpeekc = c
-
-#define QUOTES (_QF|_QB|_ESC) /* \ ' " ` */
-
-/*
- * The following variables give the information about the current
- * $ expansion, recording the current word position, the remaining
- * words within this expansion, the count of remaining words, and the
- * information about any : modifier which is being applied.
- */
-#define MAXWLEN (BUFSIZ - 4)
-#define MAXMOD MAXWLEN /* This cannot overflow */
-static Char *dolp; /* Remaining chars from this word */
-static Char **dolnxt; /* Further words */
-static int dolcnt; /* Count of further words */
-static Char dolmod[MAXMOD]; /* : modifier character */
-static int dolnmod; /* Number of modifiers */
-static int dolmcnt; /* :gx -> 10000, else 1 */
-static int dolwcnt; /* :wx -> 10000, else 1 */
-
-static void Dfix2 __P((Char **));
-static Char *Dpack __P((Char *, Char *));
-static int Dword __P((void));
-static void dolerror __P((Char *));
-static int DgetC __P((int));
-static void Dgetdol __P((void));
-static void fixDolMod __P((void));
-static void setDolp __P((Char *));
-static void unDredc __P((int));
-static int Dredc __P((void));
-static void Dtestq __P((int));
-
-
-/*
- * Fix up the $ expansions and quotations in the
- * argument list to command t.
- */
-void
-Dfix(t)
- struct command *t;
-{
- Char **pp;
- Char *p;
-
- if (noexec)
- return;
- /* Note that t_dcom isn't trimmed thus !...:q's aren't lost */
- for (pp = t->t_dcom; (p = *pp++) != NULL;)
- for (; *p; p++) {
- if (cmap(*p, _DOL | QUOTES)) { /* $, \, ', ", ` */
- Dfix2(t->t_dcom); /* found one */
- blkfree(t->t_dcom);
- t->t_dcom = gargv;
- gargv = 0;
- return;
- }
- }
-}
-
-/*
- * $ substitute one word, for i/o redirection
- */
-Char *
-Dfix1(cp)
- Char *cp;
-{
- Char *Dv[2];
-
- if (noexec)
- return (0);
- Dv[0] = cp;
- Dv[1] = NULL;
- Dfix2(Dv);
- if (gargc != 1) {
- setname(vis_str(cp));
- stderror(ERR_NAME | ERR_AMBIG);
- }
- cp = Strsave(gargv[0]);
- blkfree(gargv), gargv = 0;
- return (cp);
-}
-
-/*
- * Subroutine to do actual fixing after state initialization.
- */
-static void
-Dfix2(v)
- Char **v;
-{
- ginit(); /* Initialize glob's area pointers */
- Dvp = v;
- Dcp = STRNULL; /* Setup input vector for Dreadc */
- unDgetC(0);
- unDredc(0); /* Clear out any old peeks (at error) */
- dolp = 0;
- dolcnt = 0; /* Clear out residual $ expands (...) */
- while (Dword())
- continue;
-}
-
-/*
- * Pack up more characters in this word
- */
-static Char *
-Dpack(wbuf, wp)
- Char *wbuf, *wp;
-{
- int c;
- int i = MAXWLEN - (wp - wbuf);
-
- for (;;) {
- c = DgetC(DODOL);
- if (c == '\\') {
- c = DgetC(0);
- if (c == DEOF) {
- unDredc(c);
- *wp = 0;
- Gcat(STRNULL, wbuf);
- return (NULL);
- }
- if (c == '\n')
- c = ' ';
- else
- c |= QUOTE;
- }
- if (c == DEOF) {
- unDredc(c);
- *wp = 0;
- Gcat(STRNULL, wbuf);
- return (NULL);
- }
- if (cmap(c, _SP | _NL | _QF | _QB)) { /* sp \t\n'"` */
- unDgetC(c);
- if (cmap(c, QUOTES))
- return (wp);
- *wp++ = 0;
- Gcat(STRNULL, wbuf);
- return (NULL);
- }
- if (--i <= 0)
- stderror(ERR_WTOOLONG);
- *wp++ = c;
- }
-}
-
-/*
- * Get a word. This routine is analogous to the routine
- * word() in sh.lex.c for the main lexical input. One difference
- * here is that we don't get a newline to terminate our expansion.
- * Rather, DgetC will return a DEOF when we hit the end-of-input.
- */
-static int
-Dword()
-{
- int c, c1;
- Char wbuf[BUFSIZ];
- Char *wp = wbuf;
- int i = MAXWLEN;
- bool dolflg;
- bool sofar = 0, done = 0;
-
- while (!done) {
- done = 1;
- c = DgetC(DODOL);
- switch (c) {
-
- case DEOF:
- if (sofar == 0)
- return (0);
- /* finish this word and catch the code above the next time */
- unDredc(c);
- /* fall into ... */
-
- case '\n':
- *wp = 0;
- Gcat(STRNULL, wbuf);
- return (1);
-
- case ' ':
- case '\t':
- done = 0;
- break;
-
- case '`':
- /* We preserve ` quotations which are done yet later */
- *wp++ = c, --i;
- case '\'':
- case '"':
- /*
- * Note that DgetC never returns a QUOTES character from an
- * expansion, so only true input quotes will get us here or out.
- */
- c1 = c;
- dolflg = c1 == '"' ? DODOL : 0;
- for (;;) {
- c = DgetC(dolflg);
- if (c == c1)
- break;
- if (c == '\n' || c == DEOF)
- stderror(ERR_UNMATCHED, c1);
- if ((c & (QUOTE | TRIM)) == ('\n' | QUOTE))
- --wp, ++i;
- if (--i <= 0)
- stderror(ERR_WTOOLONG);
- switch (c1) {
-
- case '"':
- /*
- * Leave any `s alone for later. Other chars are all
- * quoted, thus `...` can tell it was within "...".
- */
- *wp++ = c == '`' ? '`' : c | QUOTE;
- break;
-
- case '\'':
- /* Prevent all further interpretation */
- *wp++ = c | QUOTE;
- break;
-
- case '`':
- /* Leave all text alone for later */
- *wp++ = c;
- break;
-
- default:
- break;
- }
- }
- if (c1 == '`')
- *wp++ = '`' /* i--; eliminated */;
- sofar = 1;
- if ((wp = Dpack(wbuf, wp)) == NULL)
- return (1);
- else {
- i = MAXWLEN - (wp - wbuf);
- done = 0;
- }
- break;
-
- case '\\':
- c = DgetC(0); /* No $ subst! */
- if (c == '\n' || c == DEOF) {
- done = 0;
- break;
- }
- c |= QUOTE;
- break;
-
- default:
- break;
- }
- if (done) {
- unDgetC(c);
- sofar = 1;
- if ((wp = Dpack(wbuf, wp)) == NULL)
- return (1);
- else {
- i = MAXWLEN - (wp - wbuf);
- done = 0;
- }
- }
- }
- /* Really NOTREACHED */
- return (0);
-}
-
-
-/*
- * Get a character, performing $ substitution unless flag is 0.
- * Any QUOTES character which is returned from a $ expansion is
- * QUOTEd so that it will not be recognized above.
- */
-static int
-DgetC(flag)
- int flag;
-{
- int c;
-
-top:
- if ((c = Dpeekc) != '\0') {
- Dpeekc = 0;
- return (c);
- }
- if (lap) {
- c = *lap++ & (QUOTE | TRIM);
- if (c == 0) {
- lap = 0;
- goto top;
- }
-quotspec:
- if (cmap(c, QUOTES))
- return (c | QUOTE);
- return (c);
- }
- if (dolp) {
- if ((c = *dolp++ & (QUOTE | TRIM)) != '\0')
- goto quotspec;
- if (dolcnt > 0) {
- setDolp(*dolnxt++);
- --dolcnt;
- return (' ');
- }
- dolp = 0;
- }
- if (dolcnt > 0) {
- setDolp(*dolnxt++);
- --dolcnt;
- goto top;
- }
- c = Dredc();
- if (c == '$' && flag) {
- Dgetdol();
- goto top;
- }
- return (c);
-}
-
-static Char *nulvec[] = {0};
-static struct varent nulargv = {nulvec, STRargv, { NULL, NULL, NULL }, 0};
-
-static void
-dolerror(s)
- Char *s;
-{
- setname(vis_str(s));
- stderror(ERR_NAME | ERR_RANGE);
-}
-
-/*
- * Handle the multitudinous $ expansion forms.
- * Ugh.
- */
-static void
-Dgetdol()
-{
- Char *np;
- struct varent *vp = NULL;
- Char name[4 * MAXVARLEN + 1];
- int c, sc;
- int subscr = 0, lwb = 1, upb = 0;
- bool dimen = 0, bitset = 0;
- char tnp;
- Char wbuf[BUFSIZ];
- static Char *dolbang = NULL;
-
- dolnmod = dolmcnt = dolwcnt = 0;
- c = sc = DgetC(0);
- if (c == '{')
- c = DgetC(0); /* sc is { to take } later */
- if ((c & TRIM) == '#')
- dimen++, c = DgetC(0); /* $# takes dimension */
- else if (c == '?')
- bitset++, c = DgetC(0); /* $? tests existence */
- switch (c) {
-
- case '!':
- if (dimen || bitset)
- stderror(ERR_SYNTAX);
- if (backpid != 0) {
- if (dolbang)
- xfree((ptr_t) dolbang);
- setDolp(dolbang = putn(backpid));
- }
- goto eatbrac;
-
- case '$':
- if (dimen || bitset)
- stderror(ERR_SYNTAX);
- setDolp(doldol);
- goto eatbrac;
-
- case '<' | QUOTE:
- if (bitset)
- stderror(ERR_NOTALLOWED, "$?<");
- if (dimen)
- stderror(ERR_NOTALLOWED, "$?#");
- for (np = wbuf; read(OLDSTD, &tnp, 1) == 1; np++) {
- *np = (unsigned char) tnp;
- if (np >= &wbuf[BUFSIZ - 1])
- stderror(ERR_LTOOLONG);
- if (tnp == '\n')
- break;
- }
- *np = 0;
- /*
- * KLUDGE: dolmod is set here because it will cause setDolp to call
- * domod and thus to copy wbuf. Otherwise setDolp would use it
- * directly. If we saved it ourselves, no one would know when to free
- * it. The actual function of the 'q' causes filename expansion not to
- * be done on the interpolated value.
- */
- dolmod[dolnmod++] = 'q';
- dolmcnt = 10000;
- setDolp(wbuf);
- goto eatbrac;
-
- case DEOF:
- case '\n':
- stderror(ERR_SYNTAX);
- /* NOTREACHED */
- break;
-
- case '*':
- (void) Strcpy(name, STRargv);
- vp = adrof(STRargv);
- subscr = -1; /* Prevent eating [...] */
- break;
-
- default:
- np = name;
- if (Isdigit(c)) {
- if (dimen)
- stderror(ERR_NOTALLOWED, "$#<num>");
- subscr = 0;
- do {
- subscr = subscr * 10 + c - '0';
- c = DgetC(0);
- } while (Isdigit(c));
- unDredc(c);
- if (subscr < 0) {
- dolerror(vp->v_name);
- return;
- }
- if (subscr == 0) {
- if (bitset) {
- dolp = ffile ? STR1 : STR0;
- goto eatbrac;
- }
- if (ffile == 0)
- stderror(ERR_DOLZERO);
- fixDolMod();
- setDolp(ffile);
- goto eatbrac;
- }
- if (bitset)
- stderror(ERR_DOLQUEST);
- vp = adrof(STRargv);
- if (vp == 0) {
- vp = &nulargv;
- goto eatmod;
- }
- break;
- }
- if (!alnum(c))
- stderror(ERR_VARALNUM);
- for (;;) {
- *np++ = c;
- c = DgetC(0);
- if (!alnum(c))
- break;
- if (np >= &name[MAXVARLEN])
- stderror(ERR_VARTOOLONG);
- }
- *np++ = 0;
- unDredc(c);
- vp = adrof(name);
- }
- if (bitset) {
- dolp = (vp || getenv(short2str(name))) ? STR1 : STR0;
- goto eatbrac;
- }
- if (vp == 0) {
- np = str2short(getenv(short2str(name)));
- if (np) {
- fixDolMod();
- setDolp(np);
- goto eatbrac;
- }
- udvar(name);
- /* NOTREACHED */
- }
- c = DgetC(0);
- upb = blklen(vp->vec);
- if (dimen == 0 && subscr == 0 && c == '[') {
- np = name;
- for (;;) {
- c = DgetC(DODOL); /* Allow $ expand within [ ] */
- if (c == ']')
- break;
- if (c == '\n' || c == DEOF)
- stderror(ERR_INCBR);
- if (np >= &name[sizeof(name) / sizeof(Char) - 2])
- stderror(ERR_VARTOOLONG);
- *np++ = c;
- }
- *np = 0, np = name;
- if (dolp || dolcnt) /* $ exp must end before ] */
- stderror(ERR_EXPORD);
- if (!*np)
- stderror(ERR_SYNTAX);
- if (Isdigit(*np)) {
- int i;
-
- for (i = 0; Isdigit(*np); i = i * 10 + *np++ - '0')
- continue;
- if ((i < 0 || i > upb) && !any("-*", *np)) {
- dolerror(vp->v_name);
- return;
- }
- lwb = i;
- if (!*np)
- upb = lwb, np = STRstar;
- }
- if (*np == '*')
- np++;
- else if (*np != '-')
- stderror(ERR_MISSING, '-');
- else {
- int i = upb;
-
- np++;
- if (Isdigit(*np)) {
- i = 0;
- while (Isdigit(*np))
- i = i * 10 + *np++ - '0';
- if (i < 0 || i > upb) {
- dolerror(vp->v_name);
- return;
- }
- }
- if (i < lwb)
- upb = lwb - 1;
- else
- upb = i;
- }
- if (lwb == 0) {
- if (upb != 0) {
- dolerror(vp->v_name);
- return;
- }
- upb = -1;
- }
- if (*np)
- stderror(ERR_SYNTAX);
- }
- else {
- if (subscr > 0) {
- if (subscr > upb)
- lwb = 1, upb = 0;
- else
- lwb = upb = subscr;
- }
- unDredc(c);
- }
- if (dimen) {
- Char *cp = putn(upb - lwb + 1);
-
- addla(cp);
- xfree((ptr_t) cp);
- }
- else {
-eatmod:
- fixDolMod();
- dolnxt = &vp->vec[lwb - 1];
- dolcnt = upb - lwb + 1;
- }
-eatbrac:
- if (sc == '{') {
- c = Dredc();
- if (c != '}')
- stderror(ERR_MISSING, '}');
- }
-}
-
-static void
-fixDolMod()
-{
- int c;
-
- c = DgetC(0);
- if (c == ':') {
- do {
- c = DgetC(0), dolmcnt = 1, dolwcnt = 1;
- if (c == 'g' || c == 'a') {
- if (c == 'g')
- dolmcnt = 10000;
- else
- dolwcnt = 10000;
- c = DgetC(0);
- }
- if ((c == 'g' && dolmcnt != 10000) ||
- (c == 'a' && dolwcnt != 10000)) {
- if (c == 'g')
- dolmcnt = 10000;
- else
- dolwcnt = 10000;
- c = DgetC(0);
- }
-
- if (c == 's') { /* [eichin:19910926.0755EST] */
- int delimcnt = 2;
- int delim = DgetC(0);
- dolmod[dolnmod++] = c;
- dolmod[dolnmod++] = delim;
-
- if (!delim || letter(delim)
- || Isdigit(delim) || any(" \t\n", delim)) {
- seterror(ERR_BADSUBST);
- break;
- }
- while ((c = DgetC(0)) != (-1)) {
- dolmod[dolnmod++] = c;
- if(c == delim) delimcnt--;
- if(!delimcnt) break;
- }
- if(delimcnt) {
- seterror(ERR_BADSUBST);
- break;
- }
- continue;
- }
- if (!any("htrqxes", c))
- stderror(ERR_BADMOD, c);
- dolmod[dolnmod++] = c;
- if (c == 'q')
- dolmcnt = 10000;
- }
- while ((c = DgetC(0)) == ':');
- unDredc(c);
- }
- else
- unDredc(c);
-}
-
-static void
-setDolp(cp)
- Char *cp;
-{
- Char *dp;
- int i;
-
- if (dolnmod == 0 || dolmcnt == 0) {
- dolp = cp;
- return;
- }
- dp = cp = Strsave(cp);
- for (i = 0; i < dolnmod; i++) {
- /* handle s// [eichin:19910926.0510EST] */
- if(dolmod[i] == 's') {
- int delim;
- Char *lhsub, *rhsub, *np;
- size_t lhlen = 0, rhlen = 0;
- int didmod = 0;
-
- delim = dolmod[++i];
- if (!delim || letter(delim)
- || Isdigit(delim) || any(" \t\n", delim)) {
- seterror(ERR_BADSUBST);
- break;
- }
- lhsub = &dolmod[++i];
- while(dolmod[i] != delim && dolmod[++i]) {
- lhlen++;
- }
- dolmod[i] = 0;
- rhsub = &dolmod[++i];
- while(dolmod[i] != delim && dolmod[++i]) {
- rhlen++;
- }
- dolmod[i] = 0;
-
- do {
- dp = Strstr(cp, lhsub);
- if (dp) {
- np = (Char *) xmalloc((size_t)
- ((Strlen(cp) + 1 - lhlen + rhlen) *
- sizeof(Char)));
- (void) Strncpy(np, cp, dp - cp);
- (void) Strcpy(np + (dp - cp), rhsub);
- (void) Strcpy(np + (dp - cp) + rhlen, dp + lhlen);
-
- xfree((ptr_t) cp);
- dp = cp = np;
- didmod = 1;
- } else {
- /* should this do a seterror? */
- break;
- }
- }
- while (dolwcnt == 10000);
- /*
- * restore dolmod for additional words
- */
- dolmod[i] = rhsub[-1] = delim;
- if (didmod)
- dolmcnt--;
- else
- break;
- } else {
- int didmod = 0;
-
- do {
- if ((dp = domod(cp, dolmod[i]))) {
- didmod = 1;
- if (Strcmp(cp, dp) == 0) {
- xfree((ptr_t) cp);
- cp = dp;
- break;
- }
- else {
- xfree((ptr_t) cp);
- cp = dp;
- }
- }
- else
- break;
- }
- while (dolwcnt == 10000);
- dp = cp;
- if (didmod)
- dolmcnt--;
- else
- break;
- }
- }
-
- if (dp) {
- addla(dp);
- xfree((ptr_t) dp);
- }
- else
- addla(cp);
-
- dolp = STRNULL;
- if (seterr)
- stderror(ERR_OLD);
-}
-
-static void
-unDredc(c)
- int c;
-{
-
- Dpeekrd = c;
-}
-
-static int
-Dredc()
-{
- int c;
-
- if ((c = Dpeekrd) != '\0') {
- Dpeekrd = 0;
- return (c);
- }
- if (Dcp && (c = *Dcp++))
- return (c & (QUOTE | TRIM));
- if (*Dvp == 0) {
- Dcp = 0;
- return (DEOF);
- }
- Dcp = *Dvp++;
- return (' ');
-}
-
-static void
-Dtestq(c)
- int c;
-{
-
- if (cmap(c, QUOTES))
- gflag = 1;
-}
-
-/*
- * Form a shell temporary file (in unit 0) from the words
- * of the shell input up to EOF or a line the same as "term".
- * Unit 0 should have been closed before this call.
- */
-void
-/*ARGSUSED*/
-heredoc(term)
- Char *term;
-{
- int c;
- Char *Dv[2];
- Char obuf[BUFSIZ], lbuf[BUFSIZ], mbuf[BUFSIZ];
- int ocnt, lcnt, mcnt;
- Char *lbp, *obp, *mbp;
- Char **vp;
- bool quoted;
- char *tmp;
-
- if (creat(tmp = short2str(shtemp), 0600) < 0)
- stderror(ERR_SYSTEM, tmp, strerror(errno));
- (void) close(0);
- if (open(tmp, O_RDWR) < 0) {
- int oerrno = errno;
-
- (void) unlink(tmp);
- errno = oerrno;
- stderror(ERR_SYSTEM, tmp, strerror(errno));
- }
- (void) unlink(tmp); /* 0 0 inode! */
- Dv[0] = term;
- Dv[1] = NULL;
- gflag = 0;
- trim(Dv);
- rscan(Dv, Dtestq);
- quoted = gflag;
- ocnt = BUFSIZ;
- obp = obuf;
- for (;;) {
- /*
- * Read up a line
- */
- lbp = lbuf;
- lcnt = BUFSIZ - 4;
- for (;;) {
- c = readc(1); /* 1 -> Want EOF returns */
- if (c < 0 || c == '\n')
- break;
- if ((c &= TRIM) != '\0') {
- *lbp++ = c;
- if (--lcnt < 0) {
- setname("<<");
- stderror(ERR_NAME | ERR_OVERFLOW);
- }
- }
- }
- *lbp = 0;
-
- /*
- * Check for EOF or compare to terminator -- before expansion
- */
- if (c < 0 || eq(lbuf, term)) {
- (void) write(0, short2str(obuf), (size_t) (BUFSIZ - ocnt));
- (void) lseek(0, 0l, L_SET);
- return;
- }
-
- /*
- * If term was quoted or -n just pass it on
- */
- if (quoted || noexec) {
- *lbp++ = '\n';
- *lbp = 0;
- for (lbp = lbuf; (c = *lbp++) != '\0';) {
- *obp++ = c;
- if (--ocnt == 0) {
- (void) write(0, short2str(obuf), BUFSIZ);
- obp = obuf;
- ocnt = BUFSIZ;
- }
- }
- continue;
- }
-
- /*
- * Term wasn't quoted so variable and then command expand the input
- * line
- */
- Dcp = lbuf;
- Dvp = Dv + 1;
- mbp = mbuf;
- mcnt = BUFSIZ - 4;
- for (;;) {
- c = DgetC(DODOL);
- if (c == DEOF)
- break;
- if ((c &= TRIM) == 0)
- continue;
- /* \ quotes \ $ ` here */
- if (c == '\\') {
- c = DgetC(0);
- if (!any("$\\`", c))
- unDgetC(c | QUOTE), c = '\\';
- else
- c |= QUOTE;
- }
- *mbp++ = c;
- if (--mcnt == 0) {
- setname("<<");
- stderror(ERR_NAME | ERR_OVERFLOW);
- }
- }
- *mbp++ = 0;
-
- /*
- * If any ` in line do command substitution
- */
- mbp = mbuf;
- if (any(short2str(mbp), '`')) {
- /*
- * 1 arg to dobackp causes substitution to be literal. Words are
- * broken only at newlines so that all blanks and tabs are
- * preserved. Blank lines (null words) are not discarded.
- */
- vp = dobackp(mbuf, 1);
- }
- else
- /* Setup trivial vector similar to return of dobackp */
- Dv[0] = mbp, Dv[1] = NULL, vp = Dv;
-
- /*
- * Resurrect the words from the command substitution each separated by
- * a newline. Note that the last newline of a command substitution
- * will have been discarded, but we put a newline after the last word
- * because this represents the newline after the last input line!
- */
- for (; *vp; vp++) {
- for (mbp = *vp; *mbp; mbp++) {
- *obp++ = *mbp & TRIM;
- if (--ocnt == 0) {
- (void) write(0, short2str(obuf), BUFSIZ);
- obp = obuf;
- ocnt = BUFSIZ;
- }
- }
- *obp++ = '\n';
- if (--ocnt == 0) {
- (void) write(0, short2str(obuf), BUFSIZ);
- obp = obuf;
- ocnt = BUFSIZ;
- }
- }
- if (pargv)
- blkfree(pargv), pargv = 0;
- }
-}
diff --git a/bin/csh/err.c b/bin/csh/err.c
deleted file mode 100644
index 9eb689d..0000000
--- a/bin/csh/err.c
+++ /dev/null
@@ -1,411 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)err.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/types.h>
-#include <unistd.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "extern.h"
-
-char *seterr = NULL; /* Holds last error if there was one */
-
-#define ERR_FLAGS 0xf0000000
-#define ERR_NAME 0x10000000
-#define ERR_SILENT 0x20000000
-#define ERR_OLD 0x40000000
-
-static char *errorlist[] =
-{
-#define ERR_SYNTAX 0
- "Syntax Error",
-#define ERR_NOTALLOWED 1
- "%s is not allowed",
-#define ERR_WTOOLONG 2
- "Word too long",
-#define ERR_LTOOLONG 3
- "$< line too long",
-#define ERR_DOLZERO 4
- "No file for $0",
-#define ERR_DOLQUEST 5
- "$? not allowed here",
-#define ERR_INCBR 6
- "Incomplete [] modifier",
-#define ERR_EXPORD 7
- "$ expansion must end before ]",
-#define ERR_BADMOD 8
- "Bad : modifier in $ (%c)",
-#define ERR_SUBSCRIPT 9
- "Subscript error",
-#define ERR_BADNUM 10
- "Badly formed number",
-#define ERR_NOMORE 11
- "No more words",
-#define ERR_FILENAME 12
- "Missing file name",
-#define ERR_GLOB 13
- "Internal glob error",
-#define ERR_COMMAND 14
- "Command not found",
-#define ERR_TOOFEW 15
- "Too few arguments",
-#define ERR_TOOMANY 16
- "Too many arguments",
-#define ERR_DANGER 17
- "Too dangerous to alias that",
-#define ERR_EMPTYIF 18
- "Empty if",
-#define ERR_IMPRTHEN 19
- "Improper then",
-#define ERR_NOPAREN 20
- "Words not parenthesized",
-#define ERR_NOTFOUND 21
- "%s not found",
-#define ERR_MASK 22
- "Improper mask",
-#define ERR_LIMIT 23
- "No such limit",
-#define ERR_TOOLARGE 24
- "Argument too large",
-#define ERR_SCALEF 25
- "Improper or unknown scale factor",
-#define ERR_UNDVAR 26
- "Undefined variable",
-#define ERR_DEEP 27
- "Directory stack not that deep",
-#define ERR_BADSIG 28
- "Bad signal number",
-#define ERR_UNKSIG 29
- "Unknown signal; kill -l lists signals",
-#define ERR_VARBEGIN 30
- "Variable name must begin with a letter",
-#define ERR_VARTOOLONG 31
- "Variable name too long",
-#define ERR_VARALNUM 32
- "Variable name must contain alphanumeric characters",
-#define ERR_JOBCONTROL 33
- "No job control in this shell",
-#define ERR_EXPRESSION 34
- "Expression Syntax",
-#define ERR_NOHOMEDIR 35
- "No home directory",
-#define ERR_CANTCHANGE 36
- "Can't change to home directory",
-#define ERR_NULLCOM 37
- "Invalid null command",
-#define ERR_ASSIGN 38
- "Assignment missing expression",
-#define ERR_UNKNOWNOP 39
- "Unknown operator",
-#define ERR_AMBIG 40
- "Ambiguous",
-#define ERR_EXISTS 41
- "%s: File exists",
-#define ERR_INTR 42
- "Interrupted",
-#define ERR_RANGE 43
- "Subscript out of range",
-#define ERR_OVERFLOW 44
- "Line overflow",
-#define ERR_VARMOD 45
- "Unknown variable modifier",
-#define ERR_NOSUCHJOB 46
- "No such job",
-#define ERR_TERMINAL 47
- "Can't from terminal",
-#define ERR_NOTWHILE 48
- "Not in while/foreach",
-#define ERR_NOPROC 49
- "No more processes",
-#define ERR_NOMATCH 50
- "No match",
-#define ERR_MISSING 51
- "Missing %c",
-#define ERR_UNMATCHED 52
- "Unmatched %c",
-#define ERR_NOMEM 53
- "Out of memory",
-#define ERR_PIPE 54
- "Can't make pipe",
-#define ERR_SYSTEM 55
- "%s: %s",
-#define ERR_STRING 56
- "%s",
-#define ERR_JOBS 57
- "Usage: jobs [ -l ]",
-#define ERR_JOBARGS 58
- "Arguments should be jobs or process id's",
-#define ERR_JOBCUR 59
- "No current job",
-#define ERR_JOBPREV 60
- "No previous job",
-#define ERR_JOBPAT 61
- "No job matches pattern",
-#define ERR_NESTING 62
- "Fork nesting > %d; maybe `...` loop",
-#define ERR_JOBCTRLSUB 63
- "No job control in subshells",
-#define ERR_BADPLPS 64
- "Badly placed ()'s",
-#define ERR_STOPPED 65
- "%sThere are suspended jobs",
-#define ERR_NODIR 66
- "No other directory",
-#define ERR_EMPTY 67
- "Directory stack empty",
-#define ERR_BADDIR 68
- "Bad directory",
-#define ERR_DIRUS 69
- "Usage: %s [-lvn]%s",
-#define ERR_HFLAG 70
- "No operand for -h flag",
-#define ERR_NOTLOGIN 71
- "Not a login shell",
-#define ERR_DIV0 72
- "Division by 0",
-#define ERR_MOD0 73
- "Mod by 0",
-#define ERR_BADSCALE 74
- "Bad scaling; did you mean \"%s\"?",
-#define ERR_SUSPLOG 75
- "Can't suspend a login shell (yet)",
-#define ERR_UNKUSER 76
- "Unknown user: %s",
-#define ERR_NOHOME 77
- "No $home variable set",
-#define ERR_HISTUS 78
- "Usage: history [-rh] [# number of events]",
-#define ERR_SPDOLLT 79
- "$, ! or < not allowed with $# or $?",
-#define ERR_NEWLINE 80
- "Newline in variable name",
-#define ERR_SPSTAR 81
- "* not allowed with $# or $?",
-#define ERR_DIGIT 82
- "$?<digit> or $#<digit> not allowed",
-#define ERR_VARILL 83
- "Illegal variable name",
-#define ERR_NLINDEX 84
- "Newline in variable index",
-#define ERR_EXPOVFL 85
- "Expansion buffer overflow",
-#define ERR_VARSYN 86
- "Variable syntax",
-#define ERR_BADBANG 87
- "Bad ! form",
-#define ERR_NOSUBST 88
- "No previous substitute",
-#define ERR_BADSUBST 89
- "Bad substitute",
-#define ERR_LHS 90
- "No previous left hand side",
-#define ERR_RHSLONG 91
- "Right hand side too long",
-#define ERR_BADBANGMOD 92
- "Bad ! modifier: %c",
-#define ERR_MODFAIL 93
- "Modifier failed",
-#define ERR_SUBOVFL 94
- "Substitution buffer overflow",
-#define ERR_BADBANGARG 95
- "Bad ! arg selector",
-#define ERR_NOSEARCH 96
- "No prev search",
-#define ERR_NOEVENT 97
- "%s: Event not found",
-#define ERR_TOOMANYRP 98
- "Too many )'s",
-#define ERR_TOOMANYLP 99
- "Too many ('s",
-#define ERR_BADPLP 100
- "Badly placed (",
-#define ERR_MISRED 101
- "Missing name for redirect",
-#define ERR_OUTRED 102
- "Ambiguous output redirect",
-#define ERR_REDPAR 103
- "Can't << within ()'s",
-#define ERR_INRED 104
- "Ambiguous input redirect",
-#define ERR_ALIASLOOP 105
- "Alias loop",
-#define ERR_HISTLOOP 106
- "!# History loop",
-#define ERR_ARCH 107
- "%s: %s. Wrong Architecture",
-#define ERR_FILEINQ 108
- "Malformed file inquiry",
-#define ERR_SELOVFL 109
- "Selector overflow",
-#define ERR_INVALID 110
- "Invalid Error"
-};
-
-/*
- * The parser and scanner set up errors for later by calling seterr,
- * which sets the variable err as a side effect; later to be tested,
- * e.g. in process.
- */
-void
-#if __STDC__
-seterror(int id, ...)
-#else
-seterror(id, va_alist)
- int id;
- va_dcl
-#endif
-{
- if (seterr == 0) {
- char berr[BUFSIZ];
- va_list va;
-
-#if __STDC__
- va_start(va, id);
-#else
- va_start(va);
-#endif
- if (id < 0 || id > sizeof(errorlist) / sizeof(errorlist[0]))
- id = ERR_INVALID;
- vsnprintf(berr, sizeof(berr), errorlist[id], va);
- va_end(va);
-
- seterr = strsave(berr);
- }
-}
-
-/*
- * Print the error with the given id.
- *
- * Special ids:
- * ERR_SILENT: Print nothing.
- * ERR_OLD: Print the previously set error if one was there.
- * otherwise return.
- * ERR_NAME: If this bit is set, print the name of the function
- * in bname
- *
- * This routine always resets or exits. The flag haderr
- * is set so the routine who catches the unwind can propagate
- * it if they want.
- *
- * Note that any open files at the point of error will eventually
- * be closed in the routine process in sh.c which is the only
- * place error unwinds are ever caught.
- */
-void
-#if __STDC__
-stderror(int id, ...)
-#else
-stderror(id, va_alist)
- int id;
- va_dcl
-#endif
-{
- va_list va;
- Char **v;
- int flags = id & ERR_FLAGS;
-
- id &= ~ERR_FLAGS;
-
- if ((flags & ERR_OLD) && seterr == NULL)
- return;
-
- if (id < 0 || id > sizeof(errorlist) / sizeof(errorlist[0]))
- id = ERR_INVALID;
-
- (void) fflush(cshout);
- (void) fflush(csherr);
- haderr = 1; /* Now to diagnostic output */
- timflg = 0; /* This isn't otherwise reset */
-
-
- if (!(flags & ERR_SILENT)) {
- if (flags & ERR_NAME)
- (void) fprintf(csherr, "%s: ", bname);
- if ((flags & ERR_OLD))
- /* Old error. */
- (void) fprintf(csherr, "%s.\n", seterr);
- else {
-#if __STDC__
- va_start(va, id);
-#else
- va_start(va);
-#endif
- (void) vfprintf(csherr, errorlist[id], va);
- va_end(va);
- (void) fprintf(csherr, ".\n");
- }
- }
-
- if (seterr) {
- xfree((ptr_t) seterr);
- seterr = NULL;
- }
-
- if ((v = pargv) != NULL)
- pargv = 0, blkfree(v);
- if ((v = gargv) != NULL)
- gargv = 0, blkfree(v);
-
- (void) fflush(cshout);
- (void) fflush(csherr);
- didfds = 0; /* Forget about 0,1,2 */
- /*
- * Go away if -e or we are a child shell
- */
- if (exiterr || child)
- xexit(1);
-
- /*
- * Reset the state of the input. This buffered seek to end of file will
- * also clear the while/foreach stack.
- */
- btoeof();
-
- set(STRstatus, Strsave(STR1));
- if (tpgrp > 0)
- (void) tcsetpgrp(FSHTTY, tpgrp);
- reset(); /* Unwind */
-}
diff --git a/bin/csh/exec.c b/bin/csh/exec.c
deleted file mode 100644
index 64d45d2..0000000
--- a/bin/csh/exec.c
+++ /dev/null
@@ -1,746 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)exec.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/param.h>
-#include <dirent.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "extern.h"
-
-/*
- * System level search and execute of a command. We look in each directory
- * for the specified command name. If the name contains a '/' then we
- * execute only the full path name. If there is no search path then we
- * execute only full path names.
- */
-extern char **environ;
-
-/*
- * As we search for the command we note the first non-trivial error
- * message for presentation to the user. This allows us often
- * to show that a file has the wrong mode/no access when the file
- * is not in the last component of the search path, so we must
- * go on after first detecting the error.
- */
-static char *exerr; /* Execution error message */
-static Char *expath; /* Path for exerr */
-
-/*
- * Xhash is an array of HSHSIZ bits (HSHSIZ / 8 chars), which are used
- * to hash execs. If it is allocated (havhash true), then to tell
- * whether ``name'' is (possibly) present in the i'th component
- * of the variable path, you look at the bit in xhash indexed by
- * hash(hashname("name"), i). This is setup automatically
- * after .login is executed, and recomputed whenever ``path'' is
- * changed.
- * The two part hash function is designed to let texec() call the
- * more expensive hashname() only once and the simple hash() several
- * times (once for each path component checked).
- * Byte size is assumed to be 8.
- */
-#define HSHSIZ 8192 /* 1k bytes */
-#define HSHMASK (HSHSIZ - 1)
-#define HSHMUL 243
-static char xhash[HSHSIZ / 8];
-
-#define hash(a, b) (((a) * HSHMUL + (b)) & HSHMASK)
-#define bit(h, b) ((h)[(b) >> 3] & 1 << ((b) & 7)) /* bit test */
-#define bis(h, b) ((h)[(b) >> 3] |= 1 << ((b) & 7)) /* bit set */
-static int hits, misses;
-
-/* Dummy search path for just absolute search when no path */
-static Char *justabs[] = {STRNULL, 0};
-
-static void pexerr __P((void));
-static void texec __P((Char *, Char **));
-static int hashname __P((Char *));
-static void tellmewhat __P((struct wordent *));
-static int executable __P((Char *, Char *, bool));
-static int iscommand __P((Char *));
-
-
-void
-/*ARGSUSED*/
-doexec(v, t)
- Char **v;
- struct command *t;
-{
- Char *dp, **pv, **av, *sav;
- struct varent *pathv;
- bool slash;
- int hashval = 0, hashval1, i;
- Char *blk[2];
-
- /*
- * Glob the command name. We will search $path even if this does something,
- * as in sh but not in csh. One special case: if there is no PATH, then we
- * execute only commands which start with '/'.
- */
- blk[0] = t->t_dcom[0];
- blk[1] = 0;
- gflag = 0, tglob(blk);
- if (gflag) {
- pv = globall(blk);
- if (pv == 0) {
- setname(vis_str(blk[0]));
- stderror(ERR_NAME | ERR_NOMATCH);
- }
- gargv = 0;
- }
- else
- pv = saveblk(blk);
-
- trim(pv);
-
- exerr = 0;
- expath = Strsave(pv[0]);
- Vexpath = expath;
-
- pathv = adrof(STRpath);
- if (pathv == 0 && expath[0] != '/') {
- blkfree(pv);
- pexerr();
- }
- slash = any(short2str(expath), '/');
-
- /*
- * Glob the argument list, if necessary. Otherwise trim off the quote bits.
- */
- gflag = 0;
- av = &t->t_dcom[1];
- tglob(av);
- if (gflag) {
- av = globall(av);
- if (av == 0) {
- blkfree(pv);
- setname(vis_str(expath));
- stderror(ERR_NAME | ERR_NOMATCH);
- }
- gargv = 0;
- }
- else
- av = saveblk(av);
-
- blkfree(t->t_dcom);
- t->t_dcom = blkspl(pv, av);
- xfree((ptr_t) pv);
- xfree((ptr_t) av);
- av = t->t_dcom;
- trim(av);
-
- if (*av == NULL || **av == '\0')
- pexerr();
-
- xechoit(av); /* Echo command if -x */
- /*
- * Since all internal file descriptors are set to close on exec, we don't
- * need to close them explicitly here. Just reorient ourselves for error
- * messages.
- */
- SHIN = 0;
- SHOUT = 1;
- SHERR = 2;
- OLDSTD = 0;
- /*
- * We must do this AFTER any possible forking (like `foo` in glob) so that
- * this shell can still do subprocesses.
- */
- (void) sigsetmask(0);
- /*
- * If no path, no words in path, or a / in the filename then restrict the
- * command search.
- */
- if (pathv == 0 || pathv->vec[0] == 0 || slash)
- pv = justabs;
- else
- pv = pathv->vec;
- sav = Strspl(STRslash, *av);/* / command name for postpending */
- Vsav = sav;
- if (havhash)
- hashval = hashname(*av);
- i = 0;
- hits++;
- do {
- /*
- * Try to save time by looking at the hash table for where this command
- * could be. If we are doing delayed hashing, then we put the names in
- * one at a time, as the user enters them. This is kinda like Korn
- * Shell's "tracked aliases".
- */
- if (!slash && pv[0][0] == '/' && havhash) {
- hashval1 = hash(hashval, i);
- if (!bit(xhash, hashval1))
- goto cont;
- }
- if (pv[0][0] == 0 || eq(pv[0], STRdot)) /* don't make ./xxx */
- texec(*av, av);
- else {
- dp = Strspl(*pv, sav);
- Vdp = dp;
- texec(dp, av);
- Vdp = 0;
- xfree((ptr_t) dp);
- }
- misses++;
-cont:
- pv++;
- i++;
- } while (*pv);
- hits--;
- Vsav = 0;
- xfree((ptr_t) sav);
- pexerr();
-}
-
-static void
-pexerr()
-{
- /* Couldn't find the damn thing */
- if (expath) {
- setname(vis_str(expath));
- Vexpath = 0;
- xfree((ptr_t) expath);
- expath = 0;
- }
- else
- setname("");
- if (exerr)
- stderror(ERR_NAME | ERR_STRING, exerr);
- stderror(ERR_NAME | ERR_COMMAND);
-}
-
-/*
- * Execute command f, arg list t.
- * Record error message if not found.
- * Also do shell scripts here.
- */
-static void
-texec(sf, st)
- Char *sf;
- Char **st;
-{
- char **t;
- char *f;
- struct varent *v;
- Char **vp;
- Char *lastsh[2];
- int fd;
- unsigned char c;
- Char *st0, **ost;
-
- /* The order for the conversions is significant */
- t = short2blk(st);
- f = short2str(sf);
- Vt = t;
- errno = 0; /* don't use a previous error */
- (void) execve(f, t, environ);
- Vt = 0;
- blkfree((Char **) t);
- switch (errno) {
-
- case ENOEXEC:
- /*
- * From: casper@fwi.uva.nl (Casper H.S. Dik) If we could not execute
- * it, don't feed it to the shell if it looks like a binary!
- */
- if ((fd = open(f, O_RDONLY)) != -1) {
- if (read(fd, (char *) &c, 1) == 1) {
- if (!Isprint(c) && (c != '\n' && c != '\t')) {
- (void) close(fd);
- /*
- * We *know* what ENOEXEC means.
- */
- stderror(ERR_ARCH, f, strerror(errno));
- }
- }
-#ifdef _PATH_BSHELL
- else
- c = '#';
-#endif
- (void) close(fd);
- }
- /*
- * If there is an alias for shell, then put the words of the alias in
- * front of the argument list replacing the command name. Note no
- * interpretation of the words at this point.
- */
- v = adrof1(STRshell, &aliases);
- if (v == 0) {
- vp = lastsh;
- vp[0] = adrof(STRshell) ? value(STRshell) : STR_SHELLPATH;
- vp[1] = NULL;
-#ifdef _PATH_BSHELL
- if (fd != -1 && c != '#')
- vp[0] = STR_BSHELL;
-#endif
- }
- else
- vp = v->vec;
- st0 = st[0];
- st[0] = sf;
- ost = st;
- st = blkspl(vp, st); /* Splice up the new arglst */
- ost[0] = st0;
- sf = *st;
- /* The order for the conversions is significant */
- t = short2blk(st);
- f = short2str(sf);
- xfree((ptr_t) st);
- Vt = t;
- (void) execve(f, t, environ);
- Vt = 0;
- blkfree((Char **) t);
- /* The sky is falling, the sky is falling! */
-
- case ENOMEM:
- stderror(ERR_SYSTEM, f, strerror(errno));
-
- case ENOENT:
- break;
-
- default:
- if (exerr == 0) {
- exerr = strerror(errno);
- if (expath)
- xfree((ptr_t) expath);
- expath = Strsave(sf);
- Vexpath = expath;
- }
- }
-}
-
-/*ARGSUSED*/
-void
-execash(t, kp)
- Char **t;
- struct command *kp;
-{
- int saveIN, saveOUT, saveDIAG, saveSTD;
- int oSHIN;
- int oSHOUT;
- int oSHERR;
- int oOLDSTD;
- jmp_buf osetexit;
- int my_reenter;
- int odidfds;
- sig_t osigint, osigquit, osigterm;
-
- if (chkstop == 0 && setintr)
- panystop(0);
- /*
- * Hmm, we don't really want to do that now because we might
- * fail, but what is the choice
- */
- rechist();
-
- osigint = signal(SIGINT, parintr);
- osigquit = signal(SIGQUIT, parintr);
- osigterm = signal(SIGTERM, parterm);
-
- odidfds = didfds;
- oSHIN = SHIN;
- oSHOUT = SHOUT;
- oSHERR = SHERR;
- oOLDSTD = OLDSTD;
-
- saveIN = dcopy(SHIN, -1);
- saveOUT = dcopy(SHOUT, -1);
- saveDIAG = dcopy(SHERR, -1);
- saveSTD = dcopy(OLDSTD, -1);
-
- lshift(kp->t_dcom, 1);
-
- getexit(osetexit);
-
- if ((my_reenter = setexit()) == 0) {
- SHIN = dcopy(0, -1);
- SHOUT = dcopy(1, -1);
- SHERR = dcopy(2, -1);
- didfds = 0;
- doexec(t, kp);
- }
-
- (void) signal(SIGINT, osigint);
- (void) signal(SIGQUIT, osigquit);
- (void) signal(SIGTERM, osigterm);
-
- doneinp = 0;
- didfds = odidfds;
- (void) close(SHIN);
- (void) close(SHOUT);
- (void) close(SHERR);
- (void) close(OLDSTD);
- SHIN = dmove(saveIN, oSHIN);
- SHOUT = dmove(saveOUT, oSHOUT);
- SHERR = dmove(saveDIAG, oSHERR);
- OLDSTD = dmove(saveSTD, oOLDSTD);
-
- resexit(osetexit);
- if (my_reenter)
- stderror(ERR_SILENT);
-}
-
-void
-xechoit(t)
- Char **t;
-{
- if (adrof(STRecho)) {
- (void) fflush(csherr);
- blkpr(csherr, t);
- (void) fputc('\n', csherr);
- }
-}
-
-void
-/*ARGSUSED*/
-dohash(v, t)
- Char **v;
- struct command *t;
-{
- DIR *dirp;
- struct dirent *dp;
- int cnt;
- int i = 0;
- struct varent *pathv = adrof(STRpath);
- Char **pv;
- int hashval;
-
- havhash = 1;
- for (cnt = 0; cnt < sizeof xhash; cnt++)
- xhash[cnt] = 0;
- if (pathv == 0)
- return;
- for (pv = pathv->vec; *pv; pv++, i++) {
- if (pv[0][0] != '/')
- continue;
- dirp = opendir(short2str(*pv));
- if (dirp == NULL)
- continue;
- while ((dp = readdir(dirp)) != NULL) {
- if (dp->d_ino == 0)
- continue;
- if (dp->d_name[0] == '.' &&
- (dp->d_name[1] == '\0' ||
- (dp->d_name[1] == '.' && dp->d_name[2] == '\0')))
- continue;
- hashval = hash(hashname(str2short(dp->d_name)), i);
- bis(xhash, hashval);
- /* tw_add_comm_name (dp->d_name); */
- }
- (void) closedir(dirp);
- }
-}
-
-void
-/*ARGSUSED*/
-dounhash(v, t)
- Char **v;
- struct command *t;
-{
- havhash = 0;
-}
-
-void
-/*ARGSUSED*/
-hashstat(v, t)
- Char **v;
- struct command *t;
-{
- if (hits + misses)
- (void) fprintf(cshout, "%d hits, %d misses, %d%%\n",
- hits, misses, 100 * hits / (hits + misses));
-}
-
-/*
- * Hash a command name.
- */
-static int
-hashname(cp)
- Char *cp;
-{
- long h = 0;
-
- while (*cp)
- h = hash(h, *cp++);
- return ((int) h);
-}
-
-static int
-iscommand(name)
- Char *name;
-{
- Char **pv;
- Char *sav;
- struct varent *v;
- bool slash = any(short2str(name), '/');
- int hashval = 0, hashval1, i;
-
- v = adrof(STRpath);
- if (v == 0 || v->vec[0] == 0 || slash)
- pv = justabs;
- else
- pv = v->vec;
- sav = Strspl(STRslash, name); /* / command name for postpending */
- if (havhash)
- hashval = hashname(name);
- i = 0;
- do {
- if (!slash && pv[0][0] == '/' && havhash) {
- hashval1 = hash(hashval, i);
- if (!bit(xhash, hashval1))
- goto cont;
- }
- if (pv[0][0] == 0 || eq(pv[0], STRdot)) { /* don't make ./xxx */
- if (executable(NULL, name, 0)) {
- xfree((ptr_t) sav);
- return i + 1;
- }
- }
- else {
- if (executable(*pv, sav, 0)) {
- xfree((ptr_t) sav);
- return i + 1;
- }
- }
-cont:
- pv++;
- i++;
- } while (*pv);
- xfree((ptr_t) sav);
- return 0;
-}
-
-/* Also by:
- * Andreas Luik <luik@isaak.isa.de>
- * I S A GmbH - Informationssysteme fuer computerintegrierte Automatisierung
- * Azenberstr. 35
- * D-7000 Stuttgart 1
- * West-Germany
- * is the executable() routine below and changes to iscommand().
- * Thanks again!!
- */
-
-/*
- * executable() examines the pathname obtained by concatenating dir and name
- * (dir may be NULL), and returns 1 either if it is executable by us, or
- * if dir_ok is set and the pathname refers to a directory.
- * This is a bit kludgy, but in the name of optimization...
- */
-static int
-executable(dir, name, dir_ok)
- Char *dir, *name;
- bool dir_ok;
-{
- struct stat stbuf;
- Char path[MAXPATHLEN + 1], *dp, *sp;
- char *strname;
-
- if (dir && *dir) {
- for (dp = path, sp = dir; *sp; *dp++ = *sp++)
- if (dp == &path[MAXPATHLEN + 1]) {
- *--dp = '\0';
- break;
- }
- for (sp = name; *sp; *dp++ = *sp++)
- if (dp == &path[MAXPATHLEN + 1]) {
- *--dp = '\0';
- break;
- }
- *dp = '\0';
- strname = short2str(path);
- }
- else
- strname = short2str(name);
- return (stat(strname, &stbuf) != -1 &&
- ((S_ISREG(stbuf.st_mode) &&
- /* save time by not calling access() in the hopeless case */
- (stbuf.st_mode & (S_IXOTH | S_IXGRP | S_IXUSR)) &&
- access(strname, X_OK) == 0) ||
- (dir_ok && S_ISDIR(stbuf.st_mode))));
-}
-
-/* The dowhich() is by:
- * Andreas Luik <luik@isaak.isa.de>
- * I S A GmbH - Informationssysteme fuer computerintegrierte Automatisierung
- * Azenberstr. 35
- * D-7000 Stuttgart 1
- * West-Germany
- * Thanks!!
- */
-/*ARGSUSED*/
-void
-dowhich(v, c)
- Char **v;
- struct command *c;
-{
- struct wordent lex[3];
- struct varent *vp;
-
- lex[0].next = &lex[1];
- lex[1].next = &lex[2];
- lex[2].next = &lex[0];
-
- lex[0].prev = &lex[2];
- lex[1].prev = &lex[0];
- lex[2].prev = &lex[1];
-
- lex[0].word = STRNULL;
- lex[2].word = STRret;
-
- while (*++v) {
- if ((vp = adrof1(*v, &aliases)) != NULL) {
- (void) fprintf(cshout, "%s: \t aliased to ", vis_str(*v));
- blkpr(cshout, vp->vec);
- (void) fputc('\n', cshout);
- }
- else {
- lex[1].word = *v;
- tellmewhat(lex);
- }
- }
-}
-
-static void
-tellmewhat(lex)
- struct wordent *lex;
-{
- int i;
- struct biltins *bptr;
- struct wordent *sp = lex->next;
- bool aliased = 0;
- Char *s0, *s1, *s2, *cmd;
- Char qc;
-
- if (adrof1(sp->word, &aliases)) {
- alias(lex);
- sp = lex->next;
- aliased = 1;
- }
-
- s0 = sp->word; /* to get the memory freeing right... */
-
- /* handle quoted alias hack */
- if ((*(sp->word) & (QUOTE | TRIM)) == QUOTE)
- (sp->word)++;
-
- /* do quoting, if it hasn't been done */
- s1 = s2 = sp->word;
- while (*s2)
- switch (*s2) {
- case '\'':
- case '"':
- qc = *s2++;
- while (*s2 && *s2 != qc)
- *s1++ = *s2++ | QUOTE;
- if (*s2)
- s2++;
- break;
- case '\\':
- if (*++s2)
- *s1++ = *s2++ | QUOTE;
- break;
- default:
- *s1++ = *s2++;
- }
- *s1 = '\0';
-
- for (bptr = bfunc; bptr < &bfunc[nbfunc]; bptr++) {
- if (eq(sp->word, str2short(bptr->bname))) {
- if (aliased)
- prlex(cshout, lex);
- (void) fprintf(cshout, "%s: shell built-in command.\n",
- vis_str(sp->word));
- sp->word = s0; /* we save and then restore this */
- return;
- }
- }
-
- sp->word = cmd = globone(sp->word, G_IGNORE);
-
- if ((i = iscommand(strip(sp->word))) != 0) {
- Char **pv;
- struct varent *v;
- bool slash = any(short2str(sp->word), '/');
-
- v = adrof(STRpath);
- if (v == 0 || v->vec[0] == 0 || slash)
- pv = justabs;
- else
- pv = v->vec;
-
- while (--i)
- pv++;
- if (pv[0][0] == 0 || eq(pv[0], STRdot)) {
- if (!slash) {
- sp->word = Strspl(STRdotsl, sp->word);
- prlex(cshout, lex);
- xfree((ptr_t) sp->word);
- } else
- prlex(cshout, lex);
- sp->word = s0; /* we save and then restore this */
- xfree((ptr_t) cmd);
- return;
- }
- s1 = Strspl(*pv, STRslash);
- sp->word = Strspl(s1, sp->word);
- xfree((ptr_t) s1);
- prlex(cshout, lex);
- xfree((ptr_t) sp->word);
- }
- else {
- if (aliased)
- prlex(cshout, lex);
- (void) fprintf(csherr, "%s: Command not found.\n", vis_str(sp->word));
- }
- xfree((ptr_t) cmd);
- sp->word = s0; /* we save and then restore this */
-}
diff --git a/bin/csh/exp.c b/bin/csh/exp.c
deleted file mode 100644
index b6ec280..0000000
--- a/bin/csh/exp.c
+++ /dev/null
@@ -1,712 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)exp.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "extern.h"
-
-#define IGNORE 1 /* in ignore, it means to ignore value, just parse */
-#define NOGLOB 2 /* in ignore, it means not to globone */
-
-#define ADDOP 1
-#define MULOP 2
-#define EQOP 4
-#define RELOP 8
-#define RESTOP 16
-#define ANYOP 31
-
-#define EQEQ 1
-#define GTR 2
-#define LSS 4
-#define NOTEQ 6
-#define EQMATCH 7
-#define NOTEQMATCH 8
-
-static int exp1 __P((Char ***, bool));
-static int exp2 __P((Char ***, bool));
-static int exp2a __P((Char ***, bool));
-static int exp2b __P((Char ***, bool));
-static int exp2c __P((Char ***, bool));
-static Char * exp3 __P((Char ***, bool));
-static Char * exp3a __P((Char ***, bool));
-static Char * exp4 __P((Char ***, bool));
-static Char * exp5 __P((Char ***, bool));
-static Char * exp6 __P((Char ***, bool));
-static void evalav __P((Char **));
-static int isa __P((Char *, int));
-static int egetn __P((Char *));
-
-#ifdef EDEBUG
-static void etracc __P((char *, Char *, Char ***));
-static void etraci __P((char *, int, Char ***));
-#endif
-
-int
-expr(vp)
- Char ***vp;
-{
- return (exp0(vp, 0));
-}
-
-int
-exp0(vp, ignore)
- Char ***vp;
- bool ignore;
-{
- int p1 = exp1(vp, ignore);
-
-#ifdef EDEBUG
- etraci("exp0 p1", p1, vp);
-#endif
- if (**vp && eq(**vp, STRor2)) {
- int p2;
-
- (*vp)++;
- p2 = exp0(vp, (ignore & IGNORE) || p1);
-#ifdef EDEBUG
- etraci("exp0 p2", p2, vp);
-#endif
- return (p1 || p2);
- }
- return (p1);
-}
-
-static int
-exp1(vp, ignore)
- Char ***vp;
- bool ignore;
-{
- int p1 = exp2(vp, ignore);
-
-#ifdef EDEBUG
- etraci("exp1 p1", p1, vp);
-#endif
- if (**vp && eq(**vp, STRand2)) {
- int p2;
-
- (*vp)++;
- p2 = exp1(vp, (ignore & IGNORE) || !p1);
-#ifdef EDEBUG
- etraci("exp1 p2", p2, vp);
-#endif
- return (p1 && p2);
- }
- return (p1);
-}
-
-static int
-exp2(vp, ignore)
- Char ***vp;
- bool ignore;
-{
- int p1 = exp2a(vp, ignore);
-
-#ifdef EDEBUG
- etraci("exp3 p1", p1, vp);
-#endif
- if (**vp && eq(**vp, STRor)) {
- int p2;
-
- (*vp)++;
- p2 = exp2(vp, ignore);
-#ifdef EDEBUG
- etraci("exp3 p2", p2, vp);
-#endif
- return (p1 | p2);
- }
- return (p1);
-}
-
-static int
-exp2a(vp, ignore)
- Char ***vp;
- bool ignore;
-{
- int p1 = exp2b(vp, ignore);
-
-#ifdef EDEBUG
- etraci("exp2a p1", p1, vp);
-#endif
- if (**vp && eq(**vp, STRcaret)) {
- int p2;
-
- (*vp)++;
- p2 = exp2a(vp, ignore);
-#ifdef EDEBUG
- etraci("exp2a p2", p2, vp);
-#endif
- return (p1 ^ p2);
- }
- return (p1);
-}
-
-static int
-exp2b(vp, ignore)
- Char ***vp;
- bool ignore;
-{
- int p1 = exp2c(vp, ignore);
-
-#ifdef EDEBUG
- etraci("exp2b p1", p1, vp);
-#endif
- if (**vp && eq(**vp, STRand)) {
- int p2;
-
- (*vp)++;
- p2 = exp2b(vp, ignore);
-#ifdef EDEBUG
- etraci("exp2b p2", p2, vp);
-#endif
- return (p1 & p2);
- }
- return (p1);
-}
-
-static int
-exp2c(vp, ignore)
- Char ***vp;
- bool ignore;
-{
- Char *p1 = exp3(vp, ignore);
- Char *p2;
- int i;
-
-#ifdef EDEBUG
- etracc("exp2c p1", p1, vp);
-#endif
- if ((i = isa(**vp, EQOP)) != 0) {
- (*vp)++;
- if (i == EQMATCH || i == NOTEQMATCH)
- ignore |= NOGLOB;
- p2 = exp3(vp, ignore);
-#ifdef EDEBUG
- etracc("exp2c p2", p2, vp);
-#endif
- if (!(ignore & IGNORE))
- switch (i) {
-
- case EQEQ:
- i = eq(p1, p2);
- break;
-
- case NOTEQ:
- i = !eq(p1, p2);
- break;
-
- case EQMATCH:
- i = Gmatch(p1, p2);
- break;
-
- case NOTEQMATCH:
- i = !Gmatch(p1, p2);
- break;
- }
- xfree((ptr_t) p1);
- xfree((ptr_t) p2);
- return (i);
- }
- i = egetn(p1);
- xfree((ptr_t) p1);
- return (i);
-}
-
-static Char *
-exp3(vp, ignore)
- Char ***vp;
- bool ignore;
-{
- Char *p1, *p2;
- int i;
-
- p1 = exp3a(vp, ignore);
-#ifdef EDEBUG
- etracc("exp3 p1", p1, vp);
-#endif
- if ((i = isa(**vp, RELOP)) != 0) {
- (*vp)++;
- if (**vp && eq(**vp, STRequal))
- i |= 1, (*vp)++;
- p2 = exp3(vp, ignore);
-#ifdef EDEBUG
- etracc("exp3 p2", p2, vp);
-#endif
- if (!(ignore & IGNORE))
- switch (i) {
-
- case GTR:
- i = egetn(p1) > egetn(p2);
- break;
-
- case GTR | 1:
- i = egetn(p1) >= egetn(p2);
- break;
-
- case LSS:
- i = egetn(p1) < egetn(p2);
- break;
-
- case LSS | 1:
- i = egetn(p1) <= egetn(p2);
- break;
- }
- xfree((ptr_t) p1);
- xfree((ptr_t) p2);
- return (putn(i));
- }
- return (p1);
-}
-
-static Char *
-exp3a(vp, ignore)
- Char ***vp;
- bool ignore;
-{
- Char *p1, *p2, *op;
- int i;
-
- p1 = exp4(vp, ignore);
-#ifdef EDEBUG
- etracc("exp3a p1", p1, vp);
-#endif
- op = **vp;
- if (op && any("<>", op[0]) && op[0] == op[1]) {
- (*vp)++;
- p2 = exp3a(vp, ignore);
-#ifdef EDEBUG
- etracc("exp3a p2", p2, vp);
-#endif
- if (op[0] == '<')
- i = egetn(p1) << egetn(p2);
- else
- i = egetn(p1) >> egetn(p2);
- xfree((ptr_t) p1);
- xfree((ptr_t) p2);
- return (putn(i));
- }
- return (p1);
-}
-
-static Char *
-exp4(vp, ignore)
- Char ***vp;
- bool ignore;
-{
- Char *p1, *p2;
- int i = 0;
-
- p1 = exp5(vp, ignore);
-#ifdef EDEBUG
- etracc("exp4 p1", p1, vp);
-#endif
- if (isa(**vp, ADDOP)) {
- Char *op = *(*vp)++;
-
- p2 = exp4(vp, ignore);
-#ifdef EDEBUG
- etracc("exp4 p2", p2, vp);
-#endif
- if (!(ignore & IGNORE))
- switch (op[0]) {
-
- case '+':
- i = egetn(p1) + egetn(p2);
- break;
-
- case '-':
- i = egetn(p1) - egetn(p2);
- break;
- }
- xfree((ptr_t) p1);
- xfree((ptr_t) p2);
- return (putn(i));
- }
- return (p1);
-}
-
-static Char *
-exp5(vp, ignore)
- Char ***vp;
- bool ignore;
-{
- Char *p1, *p2;
- int i = 0;
-
- p1 = exp6(vp, ignore);
-#ifdef EDEBUG
- etracc("exp5 p1", p1, vp);
-#endif
- if (isa(**vp, MULOP)) {
- Char *op = *(*vp)++;
-
- p2 = exp5(vp, ignore);
-#ifdef EDEBUG
- etracc("exp5 p2", p2, vp);
-#endif
- if (!(ignore & IGNORE))
- switch (op[0]) {
-
- case '*':
- i = egetn(p1) * egetn(p2);
- break;
-
- case '/':
- i = egetn(p2);
- if (i == 0)
- stderror(ERR_DIV0);
- i = egetn(p1) / i;
- break;
-
- case '%':
- i = egetn(p2);
- if (i == 0)
- stderror(ERR_MOD0);
- i = egetn(p1) % i;
- break;
- }
- xfree((ptr_t) p1);
- xfree((ptr_t) p2);
- return (putn(i));
- }
- return (p1);
-}
-
-static Char *
-exp6(vp, ignore)
- Char ***vp;
- bool ignore;
-{
- int ccode, i = 0;
- Char *cp, *dp, *ep;
-
- if (**vp == 0)
- stderror(ERR_NAME | ERR_EXPRESSION);
- if (eq(**vp, STRbang)) {
- (*vp)++;
- cp = exp6(vp, ignore);
-#ifdef EDEBUG
- etracc("exp6 ! cp", cp, vp);
-#endif
- i = egetn(cp);
- xfree((ptr_t) cp);
- return (putn(!i));
- }
- if (eq(**vp, STRtilde)) {
- (*vp)++;
- cp = exp6(vp, ignore);
-#ifdef EDEBUG
- etracc("exp6 ~ cp", cp, vp);
-#endif
- i = egetn(cp);
- xfree((ptr_t) cp);
- return (putn(~i));
- }
- if (eq(**vp, STRLparen)) {
- (*vp)++;
- ccode = exp0(vp, ignore);
-#ifdef EDEBUG
- etraci("exp6 () ccode", ccode, vp);
-#endif
- if (*vp == 0 || **vp == 0 || ***vp != ')')
- stderror(ERR_NAME | ERR_EXPRESSION);
- (*vp)++;
- return (putn(ccode));
- }
- if (eq(**vp, STRLbrace)) {
- Char **v;
- struct command faket;
- Char *fakecom[2];
-
- faket.t_dtyp = NODE_COMMAND;
- faket.t_dflg = 0;
- faket.t_dcar = faket.t_dcdr = faket.t_dspr = NULL;
- faket.t_dcom = fakecom;
- fakecom[0] = STRfakecom;
- fakecom[1] = NULL;
- (*vp)++;
- v = *vp;
- for (;;) {
- if (!**vp)
- stderror(ERR_NAME | ERR_MISSING, '}');
- if (eq(*(*vp)++, STRRbrace))
- break;
- }
- if (ignore & IGNORE)
- return (Strsave(STRNULL));
- psavejob();
- if (pfork(&faket, -1) == 0) {
- *--(*vp) = 0;
- evalav(v);
- exitstat();
- }
- pwait();
- prestjob();
-#ifdef EDEBUG
- etraci("exp6 {} status", egetn(value(STRstatus)), vp);
-#endif
- return (putn(egetn(value(STRstatus)) == 0));
- }
- if (isa(**vp, ANYOP))
- return (Strsave(STRNULL));
- cp = *(*vp)++;
- if (*cp == '-' && any("erwxfdzopls", cp[1])) {
- struct stat stb;
-
- if (cp[2] != '\0')
- stderror(ERR_NAME | ERR_FILEINQ);
- /*
- * Detect missing file names by checking for operator in the file name
- * position. However, if an operator name appears there, we must make
- * sure that there's no file by that name (e.g., "/") before announcing
- * an error. Even this check isn't quite right, since it doesn't take
- * globbing into account.
- */
- if (isa(**vp, ANYOP) && stat(short2str(**vp), &stb))
- stderror(ERR_NAME | ERR_FILENAME);
-
- dp = *(*vp)++;
- if (ignore & IGNORE)
- return (Strsave(STRNULL));
- ep = globone(dp, G_ERROR);
- switch (cp[1]) {
-
- case 'r':
- i = !access(short2str(ep), R_OK);
- break;
-
- case 'w':
- i = !access(short2str(ep), W_OK);
- break;
-
- case 'x':
- i = !access(short2str(ep), X_OK);
- break;
-
- default:
- if (
-#ifdef S_IFLNK
- cp[1] == 'l' ? lstat(short2str(ep), &stb) :
-#endif
- stat(short2str(ep), &stb)) {
- xfree((ptr_t) ep);
- return (Strsave(STR0));
- }
- switch (cp[1]) {
-
- case 'f':
- i = S_ISREG(stb.st_mode);
- break;
-
- case 'd':
- i = S_ISDIR(stb.st_mode);
- break;
-
- case 'p':
-#ifdef S_ISFIFO
- i = S_ISFIFO(stb.st_mode);
-#else
- i = 0;
-#endif
- break;
-
- case 'l':
-#ifdef S_ISLNK
- i = S_ISLNK(stb.st_mode);
-#else
- i = 0;
-#endif
- break;
-
- case 's':
-#ifdef S_ISSOCK
- i = S_ISSOCK(stb.st_mode);
-#else
- i = 0;
-#endif
- break;
-
- case 'z':
- i = stb.st_size == 0;
- break;
-
- case 'e':
- i = 1;
- break;
-
- case 'o':
- i = stb.st_uid == uid;
- break;
- }
- }
-#ifdef EDEBUG
- etraci("exp6 -? i", i, vp);
-#endif
- xfree((ptr_t) ep);
- return (putn(i));
- }
-#ifdef EDEBUG
- etracc("exp6 default", cp, vp);
-#endif
- return (ignore & NOGLOB ? Strsave(cp) : globone(cp, G_ERROR));
-}
-
-static void
-evalav(v)
- Char **v;
-{
- struct wordent paraml1;
- struct wordent *hp = &paraml1;
- struct command *t;
- struct wordent *wdp = hp;
-
- set(STRstatus, Strsave(STR0));
- hp->prev = hp->next = hp;
- hp->word = STRNULL;
- while (*v) {
- struct wordent *new =
- (struct wordent *) xcalloc(1, sizeof *wdp);
-
- new->prev = wdp;
- new->next = hp;
- wdp->next = new;
- wdp = new;
- wdp->word = Strsave(*v++);
- }
- hp->prev = wdp;
- alias(&paraml1);
- t = syntax(paraml1.next, &paraml1, 0);
- if (seterr)
- stderror(ERR_OLD);
- execute(t, -1, NULL, NULL);
- freelex(&paraml1), freesyn(t);
-}
-
-static int
-isa(cp, what)
- Char *cp;
- int what;
-{
- if (cp == 0)
- return ((what & RESTOP) != 0);
- if (cp[1] == 0) {
- if (what & ADDOP && (*cp == '+' || *cp == '-'))
- return (1);
- if (what & MULOP && (*cp == '*' || *cp == '/' || *cp == '%'))
- return (1);
- if (what & RESTOP && (*cp == '(' || *cp == ')' || *cp == '!' ||
- *cp == '~' || *cp == '^' || *cp == '"'))
- return (1);
- }
- else if (cp[2] == 0) {
- if (what & RESTOP) {
- if (cp[0] == '|' && cp[1] == '&')
- return (1);
- if (cp[0] == '<' && cp[1] == '<')
- return (1);
- if (cp[0] == '>' && cp[1] == '>')
- return (1);
- }
- if (what & EQOP) {
- if (cp[0] == '=') {
- if (cp[1] == '=')
- return (EQEQ);
- if (cp[1] == '~')
- return (EQMATCH);
- }
- else if (cp[0] == '!') {
- if (cp[1] == '=')
- return (NOTEQ);
- if (cp[1] == '~')
- return (NOTEQMATCH);
- }
- }
- }
- if (what & RELOP) {
- if (*cp == '<')
- return (LSS);
- if (*cp == '>')
- return (GTR);
- }
- return (0);
-}
-
-static int
-egetn(cp)
- Char *cp;
-{
- if (*cp && *cp != '-' && !Isdigit(*cp))
- stderror(ERR_NAME | ERR_EXPRESSION);
- return (getn(cp));
-}
-
-/* Phew! */
-
-#ifdef EDEBUG
-static void
-etraci(str, i, vp)
- char *str;
- int i;
- Char ***vp;
-{
- (void) fprintf(csherr, "%s=%d\t", str, i);
- blkpr(csherr, *vp);
- (void) fprintf(csherr, "\n");
-}
-static void
-etracc(str, cp, vp)
- char *str;
- Char *cp;
- Char ***vp;
-{
- (void) fprintf(csherr, "%s=%s\t", str, vis_str(cp));
- blkpr(csherr, *vp);
- (void) fprintf(csherr, "\n");
-}
-#endif
diff --git a/bin/csh/extern.h b/bin/csh/extern.h
deleted file mode 100644
index a1cbfcb..0000000
--- a/bin/csh/extern.h
+++ /dev/null
@@ -1,339 +0,0 @@
-/*-
- * Copyright (c) 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)extern.h 8.1 (Berkeley) 5/31/93
- * $FreeBSD$
- */
-
-#include <sys/cdefs.h>
-
-/*
- * csh.c
- */
-int gethdir __P((Char *));
-void dosource __P((Char **, struct command *));
-void exitstat __P((void));
-void goodbye __P((void));
-void importpath __P((Char *));
-void initdesc __P((void));
-void pintr __P((int));
-void pintr1 __P((bool));
-void printprompt __P((void));
-void process __P((bool));
-void rechist __P((void));
-void untty __P((void));
-int vis_fputc __P((int, FILE *));
-
-#ifdef PROF
-void done __P((int));
-#else
-void xexit __P((int));
-#endif
-
-/*
- * dir.c
- */
-void dinit __P((Char *));
-void dodirs __P((Char **, struct command *));
-Char *dcanon __P((Char *, Char *));
-void dtildepr __P((Char *, Char *));
-void dtilde __P((void));
-void dochngd __P((Char **, struct command *));
-Char *dnormalize __P((Char *));
-void dopushd __P((Char **, struct command *));
-void dopopd __P((Char **, struct command *));
-struct directory;
-void dfree __P((struct directory *));
-
-/*
- * dol.c
- */
-void Dfix __P((struct command *));
-Char *Dfix1 __P((Char *));
-void heredoc __P((Char *));
-
-/*
- * err.c
- */
-void seterror __P((int, ...));
-void stderror __P((int, ...));
-
-/*
- * exec.c
- */
-void doexec __P((Char **, struct command *));
-void dohash __P((Char **, struct command *));
-void dounhash __P((Char **, struct command *));
-void dowhich __P((Char **, struct command *));
-void execash __P((Char **, struct command *));
-void hashstat __P((Char **, struct command *));
-void xechoit __P((Char **));
-
-/*
- * exp.c
- */
-int expr __P((Char ***));
-int exp0 __P((Char ***, bool));
-
-/*
- * file.c
- */
-#ifdef FILEC
-int tenex __P((Char *, int));
-#endif
-
-/*
- * func.c
- */
-void Setenv __P((Char *, Char *));
-void doalias __P((Char **, struct command *));
-void dobreak __P((Char **, struct command *));
-void docontin __P((Char **, struct command *));
-void doecho __P((Char **, struct command *));
-void doelse __P((Char **, struct command *));
-void doend __P((Char **, struct command *));
-void doeval __P((Char **, struct command *));
-void doexit __P((Char **, struct command *));
-void doforeach __P((Char **, struct command *));
-void doglob __P((Char **, struct command *));
-void dogoto __P((Char **, struct command *));
-void doif __P((Char **, struct command *));
-void dolimit __P((Char **, struct command *));
-void dologin __P((Char **, struct command *));
-void dologout __P((Char **, struct command *));
-void donohup __P((Char **, struct command *));
-void doonintr __P((Char **, struct command *));
-void doprintf __P((Char **, struct command *));
-void dorepeat __P((Char **, struct command *));
-void dosetenv __P((Char **, struct command *));
-void dosuspend __P((Char **, struct command *));
-void doswbrk __P((Char **, struct command *));
-void doswitch __P((Char **, struct command *));
-void doumask __P((Char **, struct command *));
-void dounlimit __P((Char **, struct command *));
-void dounsetenv __P((Char **, struct command *));
-void dowhile __P((Char **, struct command *));
-void dozip __P((Char **, struct command *));
-void func __P((struct command *, struct biltins *));
-struct biltins *
- isbfunc __P((struct command *));
-void prvars __P((void));
-void gotolab __P((Char *));
-int srchx __P((Char *));
-void unalias __P((Char **, struct command *));
-void wfree __P((void));
-
-/*
- * glob.c
- */
-Char **dobackp __P((Char *, bool));
-void Gcat __P((Char *, Char *));
-Char *globone __P((Char *, int));
-int Gmatch __P((Char *, Char *));
-void ginit __P((void));
-Char **globall __P((Char **));
-void rscan __P((Char **, void (*)(int)));
-void tglob __P((Char **));
-void trim __P((Char **));
-#ifdef FILEC
-int sortscmp __P((const ptr_t, const ptr_t));
-#endif /* FILEC */
-
-/*
- * hist.c
- */
-void dohist __P((Char **, struct command *));
-struct Hist *
- enthist __P((int, struct wordent *, bool));
-void savehist __P((struct wordent *));
-
-/*
- * lex.c
- */
-void addla __P((Char *));
-void bseek __P((struct Ain *));
-void btell __P((struct Ain *));
-void btoeof __P((void));
-void copylex __P((struct wordent *, struct wordent *));
-Char *domod __P((Char *, int));
-void freelex __P((struct wordent *));
-int lex __P((struct wordent *));
-void prlex __P((FILE *, struct wordent *));
-int readc __P((bool));
-void settell __P((void));
-void unreadc __P((int));
-
-/*
- * misc.c
- */
-int any __P((char *, int));
-Char **blkcat __P((Char **, Char **));
-Char **blkcpy __P((Char **, Char **));
-Char **blkend __P((Char **));
-void blkfree __P((Char **));
-int blklen __P((Char **));
-void blkpr __P((FILE *, Char **));
-Char **blkspl __P((Char **, Char **));
-void closem __P((void));
-Char **copyblk __P((Char **));
-int dcopy __P((int, int));
-int dmove __P((int, int));
-void donefds __P((void));
-Char lastchr __P((Char *));
-void lshift __P((Char **, int));
-int number __P((Char *));
-int prefix __P((Char *, Char *));
-Char **saveblk __P((Char **));
-void setzero __P((char *, int));
-Char *strip __P((Char *));
-char *strsave __P((char *));
-char *strspl __P((char *, char *));
-void udvar __P((Char *));
-
-#ifndef SHORT_STRINGS
-# ifdef NOTUSED
-char *strstr __P((const char *, const char *));
-# endif /* NOTUSED */
-char *strend __P((char *));
-#endif
-
-/*
- * parse.c
- */
-void alias __P((struct wordent *));
-void freesyn __P((struct command *));
-struct command *
- syntax __P((struct wordent *, struct wordent *, int));
-
-
-/*
- * proc.c
- */
-void dobg __P((Char **, struct command *));
-void dobg1 __P((Char **, struct command *));
-void dofg __P((Char **, struct command *));
-void dofg1 __P((Char **, struct command *));
-void dojobs __P((Char **, struct command *));
-void dokill __P((Char **, struct command *));
-void donotify __P((Char **, struct command *));
-void dostop __P((Char **, struct command *));
-void dowait __P((Char **, struct command *));
-void palloc __P((int, struct command *));
-void panystop __P((bool));
-void pchild __P((int));
-void pendjob __P((void));
-struct process *
- pfind __P((Char *));
-int pfork __P((struct command *, int));
-void pgetty __P((int, int));
-void pjwait __P((struct process *));
-void pnote __P((void));
-void prestjob __P((void));
-void psavejob __P((void));
-void pstart __P((struct process *, int));
-void pwait __P((void));
-
-/*
- * sem.c
- */
-void execute __P((struct command *, int, int *, int *));
-void mypipe __P((int *));
-
-/*
- * set.c
- */
-struct varent
- *adrof1 __P((Char *, struct varent *));
-void doset __P((Char **, struct command *));
-void dolet __P((Char **, struct command *));
-Char *putn __P((int));
-int getn __P((Char *));
-Char *value1 __P((Char *, struct varent *));
-void set __P((Char *, Char *));
-void set1 __P((Char *, Char **, struct varent *));
-void setq __P((Char *, Char **, struct varent *));
-void unset __P((Char **, struct command *));
-void unset1 __P((Char *[], struct varent *));
-void unsetv __P((Char *));
-void setNS __P((Char *));
-void shift __P((Char **, struct command *));
-void plist __P((struct varent *));
-
-/*
- * time.c
- */
-void donice __P((Char **, struct command *));
-void dotime __P((Char **, struct command *));
-void prusage __P((struct rusage *, struct rusage *,
- struct timeval *, struct timeval *));
-void ruadd __P((struct rusage *, struct rusage *));
-void settimes __P((void));
-void tvadd __P((struct timeval *, struct timeval *));
-void tvsub __P((struct timeval *, struct timeval *, struct timeval *));
-void pcsecs __P((long));
-void psecs __P((long));
-
-/*
- * alloc.c
- */
-void Free __P((ptr_t));
-ptr_t Malloc __P((size_t));
-ptr_t Realloc __P((ptr_t, size_t));
-ptr_t Calloc __P((size_t, size_t));
-void showall __P((Char **, struct command *));
-
-/*
- * str.c:
- */
-#ifdef SHORT_STRINGS
-Char *s_strchr __P((Char *, int));
-Char *s_strrchr __P((Char *, int));
-Char *s_strcat __P((Char *, Char *));
-#ifdef NOTUSED
-Char *s_strncat __P((Char *, Char *, size_t));
-#endif
-Char *s_strcpy __P((Char *, Char *));
-Char *s_strncpy __P((Char *, Char *, size_t));
-Char *s_strspl __P((Char *, Char *));
-size_t s_strlen __P((Char *));
-int s_strcmp __P((Char *, Char *));
-int s_strncmp __P((Char *, Char *, size_t));
-Char *s_strsave __P((Char *));
-Char *s_strend __P((Char *));
-Char *s_strstr __P((Char *, Char *));
-Char *str2short __P((char *));
-Char **blk2short __P((char **));
-char *short2str __P((Char *));
-char **short2blk __P((Char **));
-#endif
-char *short2qstr __P((Char *));
-char *vis_str __P((Char *));
diff --git a/bin/csh/file.c b/bin/csh/file.c
deleted file mode 100644
index a1f5ab2..0000000
--- a/bin/csh/file.c
+++ /dev/null
@@ -1,685 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)file.c 8.2 (Berkeley) 3/19/94";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#ifdef FILEC
-
-#include <sys/param.h>
-#include <sys/stat.h>
-#include <termios.h>
-#include <dirent.h>
-#include <pwd.h>
-#include <stdlib.h>
-#include <unistd.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "extern.h"
-
-/*
- * Tenex style file name recognition, .. and more.
- * History:
- * Author: Ken Greer, Sept. 1975, CMU.
- * Finally got around to adding to the Cshell., Ken Greer, Dec. 1981.
- */
-
-#define ON 1
-#define OFF 0
-#ifndef TRUE
-#define TRUE 1
-#endif
-#ifndef FALSE
-#define FALSE 0
-#endif
-
-#define ESC '\033'
-
-typedef enum {
- LIST, RECOGNIZE
-} COMMAND;
-
-static void setup_tty __P((int));
-static void back_to_col_1 __P((void));
-static void pushback __P((Char *));
-static void catn __P((Char *, Char *, int));
-static void copyn __P((Char *, Char *, int));
-static Char filetype __P((Char *, Char *));
-static void print_by_column __P((Char *, Char *[], int));
-static Char *tilde __P((Char *, Char *));
-static void retype __P((void));
-static void beep __P((void));
-static void print_recognized_stuff __P((Char *));
-static void extract_dir_and_name __P((Char *, Char *, Char *));
-static Char *getentry __P((DIR *, int));
-static void free_items __P((Char **));
-static int tsearch __P((Char *, COMMAND, int));
-static int recognize __P((Char *, Char *, int, int));
-static int is_prefix __P((Char *, Char *));
-static int is_suffix __P((Char *, Char *));
-static int ignored __P((Char *));
-
-/*
- * Put this here so the binary can be patched with adb to enable file
- * completion by default. Filec controls completion, nobeep controls
- * ringing the terminal bell on incomplete expansions.
- */
-bool filec = 0;
-
-static void
-setup_tty(on)
- int on;
-{
- struct termios tchars;
-
- (void) tcgetattr(SHIN, &tchars);
-
- if (on) {
- tchars.c_cc[VEOL] = ESC;
- if (tchars.c_lflag & ICANON)
- on = TCSADRAIN;
- else {
- on = TCSAFLUSH;
- tchars.c_lflag |= ICANON;
- }
- }
- else {
- tchars.c_cc[VEOL] = _POSIX_VDISABLE;
- on = TCSADRAIN;
- }
-
- (void) tcsetattr(SHIN, on, &tchars);
-}
-
-/*
- * Move back to beginning of current line
- */
-static void
-back_to_col_1()
-{
- struct termios tty, tty_normal;
- int omask;
-
- omask = sigblock(sigmask(SIGINT));
- (void) tcgetattr(SHOUT, &tty);
- tty_normal = tty;
- tty.c_iflag &= ~INLCR;
- tty.c_oflag &= ~ONLCR;
- (void) tcsetattr(SHOUT, TCSANOW, &tty);
- (void) write(SHOUT, "\r", 1);
- (void) tcsetattr(SHOUT, TCSANOW, &tty_normal);
- (void) sigsetmask(omask);
-}
-
-/*
- * Push string contents back into tty queue
- */
-static void
-pushback(string)
- Char *string;
-{
- Char *p;
- struct termios tty, tty_normal;
- int omask;
- char c;
-
- omask = sigblock(sigmask(SIGINT));
- (void) tcgetattr(SHOUT, &tty);
- tty_normal = tty;
- tty.c_lflag &= ~(ECHOKE | ECHO | ECHOE | ECHOK | ECHONL | ECHOPRT | ECHOCTL);
- (void) tcsetattr(SHOUT, TCSANOW, &tty);
-
- for (p = string; (c = *p) != '\0'; p++)
- (void) ioctl(SHOUT, TIOCSTI, (ioctl_t) & c);
- (void) tcsetattr(SHOUT, TCSANOW, &tty_normal);
- (void) sigsetmask(omask);
-}
-
-/*
- * Concatenate src onto tail of des.
- * Des is a string whose maximum length is count.
- * Always null terminate.
- */
-static void
-catn(des, src, count)
- Char *des, *src;
- int count;
-{
- while (--count >= 0 && *des)
- des++;
- while (--count >= 0)
- if ((*des++ = *src++) == 0)
- return;
- *des = '\0';
-}
-
-/*
- * Like strncpy but always leave room for trailing \0
- * and always null terminate.
- */
-static void
-copyn(des, src, count)
- Char *des, *src;
- int count;
-{
- while (--count >= 0)
- if ((*des++ = *src++) == 0)
- return;
- *des = '\0';
-}
-
-static Char
-filetype(dir, file)
- Char *dir, *file;
-{
- Char path[MAXPATHLEN];
- struct stat statb;
-
- catn(Strcpy(path, dir), file, sizeof(path) / sizeof(Char));
- if (lstat(short2str(path), &statb) == 0) {
- switch (statb.st_mode & S_IFMT) {
- case S_IFDIR:
- return ('/');
-
- case S_IFLNK:
- if (stat(short2str(path), &statb) == 0 && /* follow it out */
- S_ISDIR(statb.st_mode))
- return ('>');
- else
- return ('@');
-
- case S_IFSOCK:
- return ('=');
-
- default:
- if (statb.st_mode & 0111)
- return ('*');
- }
- }
- return (' ');
-}
-
-static struct winsize win;
-
-/*
- * Print sorted down columns
- */
-static void
-print_by_column(dir, items, count)
- Char *dir, *items[];
- int count;
-{
- int i, rows, r, c, maxwidth = 0, columns;
-
- if (ioctl(SHOUT, TIOCGWINSZ, (ioctl_t) & win) < 0 || win.ws_col == 0)
- win.ws_col = 80;
- for (i = 0; i < count; i++)
- maxwidth = maxwidth > (r = Strlen(items[i])) ? maxwidth : r;
- maxwidth += 2; /* for the file tag and space */
- columns = win.ws_col / maxwidth;
- if (columns == 0)
- columns = 1;
- rows = (count + (columns - 1)) / columns;
- for (r = 0; r < rows; r++) {
- for (c = 0; c < columns; c++) {
- i = c * rows + r;
- if (i < count) {
- int w;
-
- (void) fprintf(cshout, "%s", vis_str(items[i]));
- (void) fputc(dir ? filetype(dir, items[i]) : ' ', cshout);
- if (c < columns - 1) { /* last column? */
- w = Strlen(items[i]) + 1;
- for (; w < maxwidth; w++)
- (void) fputc(' ', cshout);
- }
- }
- }
- (void) fputc('\r', cshout);
- (void) fputc('\n', cshout);
- }
-}
-
-/*
- * Expand file name with possible tilde usage
- * ~person/mumble
- * expands to
- * home_directory_of_person/mumble
- */
-static Char *
-tilde(new, old)
- Char *new, *old;
-{
- Char *o, *p;
- struct passwd *pw;
- static Char person[40];
-
- if (old[0] != '~')
- return (Strcpy(new, old));
-
- for (p = person, o = &old[1]; *o && *o != '/'; *p++ = *o++)
- continue;
- *p = '\0';
- if (person[0] == '\0')
- (void) Strcpy(new, value(STRhome));
- else {
- pw = getpwnam(short2str(person));
- if (pw == NULL)
- return (NULL);
- (void) Strcpy(new, str2short(pw->pw_dir));
- }
- (void) Strcat(new, o);
- return (new);
-}
-
-/*
- * Cause pending line to be printed
- */
-static void
-retype()
-{
- struct termios tty;
-
- (void) tcgetattr(SHOUT, &tty);
- tty.c_lflag |= PENDIN;
- (void) tcsetattr(SHOUT, TCSANOW, &tty);
-}
-
-static void
-beep()
-{
- if (adrof(STRnobeep) == 0)
- (void) write(SHOUT, "\007", 1);
-}
-
-/*
- * Erase that silly ^[ and
- * print the recognized part of the string
- */
-static void
-print_recognized_stuff(recognized_part)
- Char *recognized_part;
-{
- /* An optimized erasing of that silly ^[ */
- (void) fputc('\b', cshout);
- (void) fputc('\b', cshout);
- switch (Strlen(recognized_part)) {
-
- case 0: /* erase two Characters: ^[ */
- (void) fputc(' ', cshout);
- (void) fputc(' ', cshout);
- (void) fputc('\b', cshout);
- (void) fputc('\b', cshout);
- break;
-
- case 1: /* overstrike the ^, erase the [ */
- (void) fprintf(cshout, "%s", vis_str(recognized_part));
- (void) fputc(' ', cshout);
- (void) fputc('\b', cshout);
- break;
-
- default: /* overstrike both Characters ^[ */
- (void) fprintf(cshout, "%s", vis_str(recognized_part));
- break;
- }
- (void) fflush(cshout);
-}
-
-/*
- * Parse full path in file into 2 parts: directory and file names
- * Should leave final slash (/) at end of dir.
- */
-static void
-extract_dir_and_name(path, dir, name)
- Char *path, *dir, *name;
-{
- Char *p;
-
- p = Strrchr(path, '/');
- if (p == NULL) {
- copyn(name, path, MAXNAMLEN);
- dir[0] = '\0';
- }
- else {
- copyn(name, ++p, MAXNAMLEN);
- copyn(dir, path, p - path);
- }
-}
-
-static Char *
-getentry(dir_fd, looking_for_lognames)
- DIR *dir_fd;
- int looking_for_lognames;
-{
- struct passwd *pw;
- struct dirent *dirp;
-
- if (looking_for_lognames) {
- if ((pw = getpwent()) == NULL)
- return (NULL);
- return (str2short(pw->pw_name));
- }
- if ((dirp = readdir(dir_fd)) != NULL)
- return (str2short(dirp->d_name));
- return (NULL);
-}
-
-static void
-free_items(items)
- Char **items;
-{
- int i;
-
- for (i = 0; items[i]; i++)
- xfree((ptr_t) items[i]);
- xfree((ptr_t) items);
-}
-
-#define FREE_ITEMS(items) { \
- int omask;\
-\
- omask = sigblock(sigmask(SIGINT));\
- free_items(items);\
- items = NULL;\
- (void) sigsetmask(omask);\
-}
-
-/*
- * Perform a RECOGNIZE or LIST command on string "word".
- */
-static int
-tsearch(word, command, max_word_length)
- Char *word;
- COMMAND command;
- int max_word_length;
-{
- static Char **items = NULL;
- DIR *dir_fd;
- int numitems = 0, ignoring = TRUE, nignored = 0;
- int name_length, looking_for_lognames;
- Char tilded_dir[MAXPATHLEN + 1], dir[MAXPATHLEN + 1];
- Char name[MAXNAMLEN + 1], extended_name[MAXNAMLEN + 1];
- Char *entry;
-
-#define MAXITEMS 1024
-
- if (items != NULL)
- FREE_ITEMS(items);
-
- looking_for_lognames = (*word == '~') && (Strchr(word, '/') == NULL);
- if (looking_for_lognames) {
- setpwent();
- copyn(name, &word[1], MAXNAMLEN); /* name sans ~ */
- dir_fd = NULL;
- }
- else {
- extract_dir_and_name(word, dir, name);
- if (tilde(tilded_dir, dir) == 0)
- return (0);
- dir_fd = opendir(*tilded_dir ? short2str(tilded_dir) : ".");
- if (dir_fd == NULL)
- return (0);
- }
-
-again: /* search for matches */
- name_length = Strlen(name);
- for (numitems = 0; (entry = getentry(dir_fd, looking_for_lognames)) != NULL;) {
- if (!is_prefix(name, entry))
- continue;
- /* Don't match . files on null prefix match */
- if (name_length == 0 && entry[0] == '.' &&
- !looking_for_lognames)
- continue;
- if (command == LIST) {
- if (numitems >= MAXITEMS) {
- (void) fprintf(csherr, "\nYikes!! Too many %s!!\n",
- looking_for_lognames ?
- "names in password file" : "files");
- break;
- }
- if (items == NULL)
- items = (Char **) xcalloc(sizeof(items[0]), MAXITEMS);
- items[numitems] = (Char *) xmalloc((size_t) (Strlen(entry) + 1) *
- sizeof(Char));
- copyn(items[numitems], entry, MAXNAMLEN);
- numitems++;
- }
- else { /* RECOGNIZE command */
- if (ignoring && ignored(entry))
- nignored++;
- else if (recognize(extended_name,
- entry, name_length, ++numitems))
- break;
- }
- }
- if (ignoring && numitems == 0 && nignored > 0) {
- ignoring = FALSE;
- nignored = 0;
- if (looking_for_lognames)
- setpwent();
- else
- rewinddir(dir_fd);
- goto again;
- }
-
- if (looking_for_lognames)
- (void) endpwent();
- else
- (void) closedir(dir_fd);
- if (numitems == 0)
- return (0);
- if (command == RECOGNIZE) {
- if (looking_for_lognames)
- copyn(word, STRtilde, 1);
- else
- /* put back dir part */
- copyn(word, dir, max_word_length);
- /* add extended name */
- catn(word, extended_name, max_word_length);
- return (numitems);
- }
- else { /* LIST */
- qsort((ptr_t) items, numitems, sizeof(items[0]),
- (int (*) __P((const void *, const void *))) sortscmp);
- print_by_column(looking_for_lognames ? NULL : tilded_dir,
- items, numitems);
- if (items != NULL)
- FREE_ITEMS(items);
- }
- return (0);
-}
-
-/*
- * Object: extend what user typed up to an ambiguity.
- * Algorithm:
- * On first match, copy full entry (assume it'll be the only match)
- * On subsequent matches, shorten extended_name to the first
- * Character mismatch between extended_name and entry.
- * If we shorten it back to the prefix length, stop searching.
- */
-static int
-recognize(extended_name, entry, name_length, numitems)
- Char *extended_name, *entry;
- int name_length, numitems;
-{
- if (numitems == 1) /* 1st match */
- copyn(extended_name, entry, MAXNAMLEN);
- else { /* 2nd & subsequent matches */
- Char *x, *ent;
- int len = 0;
-
- x = extended_name;
- for (ent = entry; *x && *x == *ent++; x++, len++)
- continue;
- *x = '\0'; /* Shorten at 1st Char diff */
- if (len == name_length) /* Ambiguous to prefix? */
- return (-1); /* So stop now and save time */
- }
- return (0);
-}
-
-/*
- * Return true if check matches initial Chars in template.
- * This differs from PWB imatch in that if check is null
- * it matches anything.
- */
-static int
-is_prefix(check, template)
- Char *check, *template;
-{
- do
- if (*check == 0)
- return (TRUE);
- while (*check++ == *template++);
- return (FALSE);
-}
-
-/*
- * Return true if the Chars in template appear at the
- * end of check, I.e., are it's suffix.
- */
-static int
-is_suffix(check, template)
- Char *check, *template;
-{
- Char *c, *t;
-
- for (c = check; *c++;)
- continue;
- for (t = template; *t++;)
- continue;
- for (;;) {
- if (t == template)
- return 1;
- if (c == check || *--t != *--c)
- return 0;
- }
-}
-
-int
-tenex(inputline, inputline_size)
- Char *inputline;
- int inputline_size;
-{
- int numitems, num_read;
- char tinputline[BUFSIZ];
-
-
- setup_tty(ON);
-
- while ((num_read = read(SHIN, tinputline, BUFSIZ)) > 0) {
- int i;
- static Char delims[] = {' ', '\'', '"', '\t', ';', '&', '<',
- '>', '(', ')', '|', '^', '%', '\0'};
- Char *str_end, *word_start, last_Char, should_retype;
- int space_left;
- COMMAND command;
-
- for (i = 0; i < num_read; i++)
- inputline[i] = (unsigned char) tinputline[i];
- last_Char = inputline[num_read - 1] & ASCII;
-
- if (last_Char == '\n' || num_read == inputline_size)
- break;
- command = (last_Char == ESC) ? RECOGNIZE : LIST;
- if (command == LIST)
- (void) fputc('\n', cshout);
- str_end = &inputline[num_read];
- if (last_Char == ESC)
- --str_end; /* wipeout trailing cmd Char */
- *str_end = '\0';
- /*
- * Find LAST occurence of a delimiter in the inputline. The word start
- * is one Character past it.
- */
- for (word_start = str_end; word_start > inputline; --word_start)
- if (Strchr(delims, word_start[-1]))
- break;
- space_left = inputline_size - (word_start - inputline) - 1;
- numitems = tsearch(word_start, command, space_left);
-
- if (command == RECOGNIZE) {
- /* print from str_end on */
- print_recognized_stuff(str_end);
- if (numitems != 1) /* Beep = No match/ambiguous */
- beep();
- }
-
- /*
- * Tabs in the input line cause trouble after a pushback. tty driver
- * won't backspace over them because column positions are now
- * incorrect. This is solved by retyping over current line.
- */
- should_retype = FALSE;
- if (Strchr(inputline, '\t')) { /* tab Char in input line? */
- back_to_col_1();
- should_retype = TRUE;
- }
- if (command == LIST) /* Always retype after a LIST */
- should_retype = TRUE;
- if (should_retype)
- printprompt();
- pushback(inputline);
- if (should_retype)
- retype();
- }
- setup_tty(OFF);
- return (num_read);
-}
-
-static int
-ignored(entry)
- Char *entry;
-{
- struct varent *vp;
- Char **cp;
-
- if ((vp = adrof(STRfignore)) == NULL || (cp = vp->vec) == NULL)
- return (FALSE);
- for (; *cp != NULL; cp++)
- if (is_suffix(entry, *cp))
- return (TRUE);
- return (FALSE);
-}
-#endif /* FILEC */
diff --git a/bin/csh/func.c b/bin/csh/func.c
deleted file mode 100644
index 2a1b802..0000000
--- a/bin/csh/func.c
+++ /dev/null
@@ -1,1520 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)func.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <signal.h>
-#include <locale.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "extern.h"
-#include "pathnames.h"
-
-extern char **environ;
-
-static int zlast = -1;
-static void islogin __P((void));
-static void reexecute __P((struct command *));
-static void preread __P((void));
-static void doagain __P((void));
-static void search __P((int, int, Char *));
-static int getword __P((Char *));
-static int keyword __P((Char *));
-static void toend __P((void));
-static void xecho __P((int, Char **));
-static void Unsetenv __P((Char *));
-
-struct biltins *
-isbfunc(t)
- struct command *t;
-{
- Char *cp = t->t_dcom[0];
- struct biltins *bp, *bp1, *bp2;
- static struct biltins label = {"", dozip, 0, 0};
- static struct biltins foregnd = {"%job", dofg1, 0, 0};
- static struct biltins backgnd = {"%job &", dobg1, 0, 0};
-
- if (lastchr(cp) == ':') {
- label.bname = short2str(cp);
- return (&label);
- }
- if (*cp == '%') {
- if (t->t_dflg & F_AMPERSAND) {
- t->t_dflg &= ~F_AMPERSAND;
- backgnd.bname = short2str(cp);
- return (&backgnd);
- }
- foregnd.bname = short2str(cp);
- return (&foregnd);
- }
- /*
- * Binary search Bp1 is the beginning of the current search range. Bp2 is
- * one past the end.
- */
- for (bp1 = bfunc, bp2 = bfunc + nbfunc; bp1 < bp2;) {
- int i;
-
- bp = bp1 + ((bp2 - bp1) >> 1);
- if ((i = *cp - *bp->bname) == 0 &&
- (i = Strcmp(cp, str2short(bp->bname))) == 0)
- return bp;
- if (i < 0)
- bp2 = bp;
- else
- bp1 = bp + 1;
- }
- return (0);
-}
-
-void
-func(t, bp)
- struct command *t;
- struct biltins *bp;
-{
- int i;
-
- xechoit(t->t_dcom);
- setname(bp->bname);
- i = blklen(t->t_dcom) - 1;
- if (i < bp->minargs)
- stderror(ERR_NAME | ERR_TOOFEW);
- if (i > bp->maxargs)
- stderror(ERR_NAME | ERR_TOOMANY);
- (*bp->bfunct) (t->t_dcom, t);
-}
-
-void
-/*ARGSUSED*/
-doonintr(v, t)
- Char **v;
- struct command *t;
-{
- Char *cp;
- Char *vv = v[1];
-
- if (parintr == SIG_IGN)
- return;
- if (setintr && intty)
- stderror(ERR_NAME | ERR_TERMINAL);
- cp = gointr;
- gointr = 0;
- xfree((ptr_t) cp);
- if (vv == 0) {
- if (setintr)
- (void) sigblock(sigmask(SIGINT));
- else
- (void) signal(SIGINT, SIG_DFL);
- gointr = 0;
- }
- else if (eq((vv = strip(vv)), STRminus)) {
- (void) signal(SIGINT, SIG_IGN);
- gointr = Strsave(STRminus);
- }
- else {
- gointr = Strsave(vv);
- (void) signal(SIGINT, pintr);
- }
-}
-
-void
-/*ARGSUSED*/
-donohup(v, t)
- Char **v;
- struct command *t;
-{
- if (intty)
- stderror(ERR_NAME | ERR_TERMINAL);
- if (setintr == 0) {
- (void) signal(SIGHUP, SIG_IGN);
- }
-}
-
-void
-/*ARGSUSED*/
-dozip(v, t)
- Char **v;
- struct command *t;
-{
- ;
-}
-
-void
-prvars()
-{
- plist(&shvhed);
-}
-
-void
-/*ARGSUSED*/
-doalias(v, t)
- Char **v;
- struct command *t;
-{
- struct varent *vp;
- Char *p;
-
- v++;
- p = *v++;
- if (p == 0)
- plist(&aliases);
- else if (*v == 0) {
- vp = adrof1(strip(p), &aliases);
- if (vp) {
- blkpr(cshout, vp->vec);
- fputc('\n', cshout);
- }
- }
- else {
- if (eq(p, STRalias) || eq(p, STRunalias)) {
- setname(vis_str(p));
- stderror(ERR_NAME | ERR_DANGER);
- }
- set1(strip(p), saveblk(v), &aliases);
- }
-}
-
-void
-/*ARGSUSED*/
-unalias(v, t)
- Char **v;
- struct command *t;
-{
- unset1(v, &aliases);
-}
-
-void
-/*ARGSUSED*/
-dologout(v, t)
- Char **v;
- struct command *t;
-{
- islogin();
- goodbye();
-}
-
-void
-/*ARGSUSED*/
-dologin(v, t)
- Char **v;
- struct command *t;
-{
- islogin();
- rechist();
- (void) signal(SIGTERM, parterm);
- (void) execl(_PATH_LOGIN, "login", short2str(v[1]), NULL);
- untty();
- xexit(1);
-}
-
-static void
-islogin()
-{
- if (chkstop == 0 && setintr)
- panystop(0);
- if (loginsh)
- return;
- stderror(ERR_NOTLOGIN);
-}
-
-void
-doif(v, kp)
- Char **v;
- struct command *kp;
-{
- int i;
- Char **vv;
-
- v++;
- i = expr(&v);
- vv = v;
- if (*vv == NULL)
- stderror(ERR_NAME | ERR_EMPTYIF);
- if (eq(*vv, STRthen)) {
- if (*++vv)
- stderror(ERR_NAME | ERR_IMPRTHEN);
- setname(vis_str(STRthen));
- /*
- * If expression was zero, then scan to else, otherwise just fall into
- * following code.
- */
- if (!i)
- search(T_IF, 0, NULL);
- return;
- }
- /*
- * Simple command attached to this if. Left shift the node in this tree,
- * munging it so we can reexecute it.
- */
- if (i) {
- lshift(kp->t_dcom, vv - kp->t_dcom);
- reexecute(kp);
- donefds();
- }
-}
-
-/*
- * Reexecute a command, being careful not
- * to redo i/o redirection, which is already set up.
- */
-static void
-reexecute(kp)
- struct command *kp;
-{
- kp->t_dflg &= F_SAVE;
- kp->t_dflg |= F_REPEAT;
- /*
- * If tty is still ours to arbitrate, arbitrate it; otherwise dont even set
- * pgrp's as the jobs would then have no way to get the tty (we can't give
- * it to them, and our parent wouldn't know their pgrp, etc.
- */
- execute(kp, (tpgrp > 0 ? tpgrp : -1), NULL, NULL);
-}
-
-void
-/*ARGSUSED*/
-doelse(v, t)
- Char **v;
- struct command *t;
-{
- search(T_ELSE, 0, NULL);
-}
-
-void
-/*ARGSUSED*/
-dogoto(v, t)
- Char **v;
- struct command *t;
-{
- Char *lp;
-
- gotolab(lp = globone(v[1], G_ERROR));
- xfree((ptr_t) lp);
-}
-
-void
-gotolab(lab)
- Char *lab;
-{
- struct whyle *wp;
- /*
- * While we still can, locate any unknown ends of existing loops. This
- * obscure code is the WORST result of the fact that we don't really parse.
- */
- zlast = T_GOTO;
- for (wp = whyles; wp; wp = wp->w_next)
- if (wp->w_end.type == F_SEEK && wp->w_end.f_seek == 0) {
- search(T_BREAK, 0, NULL);
- btell(&wp->w_end);
- }
- else
- bseek(&wp->w_end);
- search(T_GOTO, 0, lab);
- /*
- * Eliminate loops which were exited.
- */
- wfree();
-}
-
-void
-/*ARGSUSED*/
-doswitch(v, t)
- Char **v;
- struct command *t;
-{
- Char *cp, *lp;
-
- v++;
- if (!*v || *(*v++) != '(')
- stderror(ERR_SYNTAX);
- cp = **v == ')' ? STRNULL : *v++;
- if (*(*v++) != ')')
- v--;
- if (*v)
- stderror(ERR_SYNTAX);
- search(T_SWITCH, 0, lp = globone(cp, G_ERROR));
- xfree((ptr_t) lp);
-}
-
-void
-/*ARGSUSED*/
-dobreak(v, t)
- Char **v;
- struct command *t;
-{
- if (whyles)
- toend();
- else
- stderror(ERR_NAME | ERR_NOTWHILE);
-}
-
-void
-/*ARGSUSED*/
-doexit(v, t)
- Char **v;
- struct command *t;
-{
- if (chkstop == 0 && (intty || intact) && evalvec == 0)
- panystop(0);
- /*
- * Don't DEMAND parentheses here either.
- */
- v++;
- if (*v) {
- set(STRstatus, putn(expr(&v)));
- if (*v)
- stderror(ERR_NAME | ERR_EXPRESSION);
- }
- btoeof();
- if (intty)
- (void) close(SHIN);
-}
-
-void
-/*ARGSUSED*/
-doforeach(v, t)
- Char **v;
- struct command *t;
-{
- Char *cp, *sp;
- struct whyle *nwp;
-
- v++;
- sp = cp = strip(*v);
- if (!letter(*sp))
- stderror(ERR_NAME | ERR_VARBEGIN);
- while (*cp && alnum(*cp))
- cp++;
- if (*cp)
- stderror(ERR_NAME | ERR_VARALNUM);
- if ((cp - sp) > MAXVARLEN)
- stderror(ERR_NAME | ERR_VARTOOLONG);
- cp = *v++;
- if (v[0][0] != '(' || v[blklen(v) - 1][0] != ')')
- stderror(ERR_NAME | ERR_NOPAREN);
- v++;
- gflag = 0, tglob(v);
- v = globall(v);
- if (v == 0)
- stderror(ERR_NAME | ERR_NOMATCH);
- nwp = (struct whyle *) xcalloc(1, sizeof *nwp);
- nwp->w_fe = nwp->w_fe0 = v;
- gargv = 0;
- btell(&nwp->w_start);
- nwp->w_fename = Strsave(cp);
- nwp->w_next = whyles;
- nwp->w_end.type = F_SEEK;
- whyles = nwp;
- /*
- * Pre-read the loop so as to be more comprehensible to a terminal user.
- */
- zlast = T_FOREACH;
- if (intty)
- preread();
- doagain();
-}
-
-void
-/*ARGSUSED*/
-dowhile(v, t)
- Char **v;
- struct command *t;
-{
- int status;
- bool again = whyles != 0 && SEEKEQ(&whyles->w_start, &lineloc) &&
- whyles->w_fename == 0;
-
- v++;
- /*
- * Implement prereading here also, taking care not to evaluate the
- * expression before the loop has been read up from a terminal.
- */
- if (intty && !again)
- status = !exp0(&v, 1);
- else
- status = !expr(&v);
- if (*v)
- stderror(ERR_NAME | ERR_EXPRESSION);
- if (!again) {
- struct whyle *nwp =
- (struct whyle *) xcalloc(1, sizeof(*nwp));
-
- nwp->w_start = lineloc;
- nwp->w_end.type = F_SEEK;
- nwp->w_end.f_seek = 0;
- nwp->w_next = whyles;
- whyles = nwp;
- zlast = T_WHILE;
- if (intty) {
- /*
- * The tty preread
- */
- preread();
- doagain();
- return;
- }
- }
- if (status)
- /* We ain't gonna loop no more, no more! */
- toend();
-}
-
-static void
-preread()
-{
- whyles->w_end.type = I_SEEK;
- if (setintr)
- (void) sigsetmask(sigblock(0) & ~sigmask(SIGINT));
-
- search(T_BREAK, 0, NULL); /* read the expression in */
- if (setintr)
- (void) sigblock(sigmask(SIGINT));
- btell(&whyles->w_end);
-}
-
-void
-/*ARGSUSED*/
-doend(v, t)
- Char **v;
- struct command *t;
-{
- if (!whyles)
- stderror(ERR_NAME | ERR_NOTWHILE);
- btell(&whyles->w_end);
- doagain();
-}
-
-void
-/*ARGSUSED*/
-docontin(v, t)
- Char **v;
- struct command *t;
-{
- if (!whyles)
- stderror(ERR_NAME | ERR_NOTWHILE);
- doagain();
-}
-
-static void
-doagain()
-{
- /* Repeating a while is simple */
- if (whyles->w_fename == 0) {
- bseek(&whyles->w_start);
- return;
- }
- /*
- * The foreach variable list actually has a spurious word ")" at the end of
- * the w_fe list. Thus we are at the of the list if one word beyond this
- * is 0.
- */
- if (!whyles->w_fe[1]) {
- dobreak(NULL, NULL);
- return;
- }
- set(whyles->w_fename, Strsave(*whyles->w_fe++));
- bseek(&whyles->w_start);
-}
-
-void
-dorepeat(v, kp)
- Char **v;
- struct command *kp;
-{
- int i;
- int omask = 0;
-
- i = getn(v[1]);
- if (setintr)
- omask = sigblock(sigmask(SIGINT)) & ~sigmask(SIGINT);
- lshift(v, 2);
- while (i > 0) {
- if (setintr)
- (void) sigsetmask(omask);
- reexecute(kp);
- --i;
- }
- donefds();
- if (setintr)
- (void) sigsetmask(omask);
-}
-
-void
-/*ARGSUSED*/
-doswbrk(v, t)
- Char **v;
- struct command *t;
-{
- search(T_BRKSW, 0, NULL);
-}
-
-int
-srchx(cp)
- Char *cp;
-{
- struct srch *sp, *sp1, *sp2;
- int i;
-
- /*
- * Binary search Sp1 is the beginning of the current search range. Sp2 is
- * one past the end.
- */
- for (sp1 = srchn, sp2 = srchn + nsrchn; sp1 < sp2;) {
- sp = sp1 + ((sp2 - sp1) >> 1);
- if ((i = *cp - *sp->s_name) == 0 &&
- (i = Strcmp(cp, str2short(sp->s_name))) == 0)
- return sp->s_value;
- if (i < 0)
- sp2 = sp;
- else
- sp1 = sp + 1;
- }
- return (-1);
-}
-
-static Char Stype;
-static Char *Sgoal;
-
-/*VARARGS2*/
-static void
-search(type, level, goal)
- int type;
- int level;
- Char *goal;
-{
- Char wordbuf[BUFSIZ];
- Char *aword = wordbuf;
- Char *cp;
-
- Stype = type;
- Sgoal = goal;
- if (type == T_GOTO) {
- struct Ain a;
- a.type = F_SEEK;
- a.f_seek = 0;
- bseek(&a);
- }
- do {
- if (intty && fseekp == feobp && aret == F_SEEK)
- (void) fprintf(cshout, "? "), (void) fflush(cshout);
- aword[0] = 0;
- (void) getword(aword);
- switch (srchx(aword)) {
-
- case T_ELSE:
- if (level == 0 && type == T_IF)
- return;
- break;
-
- case T_IF:
- while (getword(aword))
- continue;
- if ((type == T_IF || type == T_ELSE) &&
- eq(aword, STRthen))
- level++;
- break;
-
- case T_ENDIF:
- if (type == T_IF || type == T_ELSE)
- level--;
- break;
-
- case T_FOREACH:
- case T_WHILE:
- if (type == T_BREAK)
- level++;
- break;
-
- case T_END:
- if (type == T_BREAK)
- level--;
- break;
-
- case T_SWITCH:
- if (type == T_SWITCH || type == T_BRKSW)
- level++;
- break;
-
- case T_ENDSW:
- if (type == T_SWITCH || type == T_BRKSW)
- level--;
- break;
-
- case T_LABEL:
- if (type == T_GOTO && getword(aword) && eq(aword, goal))
- level = -1;
- break;
-
- default:
- if (type != T_GOTO && (type != T_SWITCH || level != 0))
- break;
- if (lastchr(aword) != ':')
- break;
- aword[Strlen(aword) - 1] = 0;
- if ((type == T_GOTO && eq(aword, goal)) ||
- (type == T_SWITCH && eq(aword, STRdefault)))
- level = -1;
- break;
-
- case T_CASE:
- if (type != T_SWITCH || level != 0)
- break;
- (void) getword(aword);
- if (lastchr(aword) == ':')
- aword[Strlen(aword) - 1] = 0;
- cp = strip(Dfix1(aword));
- if (Gmatch(goal, cp))
- level = -1;
- xfree((ptr_t) cp);
- break;
-
- case T_DEFAULT:
- if (type == T_SWITCH && level == 0)
- level = -1;
- break;
- }
- (void) getword(NULL);
- } while (level >= 0);
-}
-
-static int
-getword(wp)
- Char *wp;
-{
- int found = 0;
- int c, d;
- int kwd = 0;
- Char *owp = wp;
-
- c = readc(1);
- d = 0;
- do {
- while (c == ' ' || c == '\t')
- c = readc(1);
- if (c == '#')
- do
- c = readc(1);
- while (c >= 0 && c != '\n');
- if (c < 0)
- goto past;
- if (c == '\n') {
- if (wp)
- break;
- return (0);
- }
- unreadc(c);
- found = 1;
- do {
- c = readc(1);
- if (c == '\\' && (c = readc(1)) == '\n')
- c = ' ';
- if (c == '\'' || c == '"') {
- if (d == 0)
- d = c;
- else if (d == c)
- d = 0;
- }
- if (c < 0)
- goto past;
- if (wp) {
- *wp++ = c;
- *wp = 0; /* end the string b4 test */
- }
- } while ((d || (!(kwd = keyword(owp)) && c != ' '
- && c != '\t')) && c != '\n');
- } while (wp == 0);
-
- /*
- * if we have read a keyword ( "if", "switch" or "while" ) then we do not
- * need to unreadc the look-ahead char
- */
- if (!kwd) {
- unreadc(c);
- if (found)
- *--wp = 0;
- }
-
- return (found);
-
-past:
- switch (Stype) {
-
- case T_IF:
- stderror(ERR_NAME | ERR_NOTFOUND, "then/endif");
-
- case T_ELSE:
- stderror(ERR_NAME | ERR_NOTFOUND, "endif");
-
- case T_BRKSW:
- case T_SWITCH:
- stderror(ERR_NAME | ERR_NOTFOUND, "endsw");
-
- case T_BREAK:
- stderror(ERR_NAME | ERR_NOTFOUND, "end");
-
- case T_GOTO:
- setname(vis_str(Sgoal));
- stderror(ERR_NAME | ERR_NOTFOUND, "label");
- }
- /* NOTREACHED */
- return (0);
-}
-
-/*
- * keyword(wp) determines if wp is one of the built-n functions if,
- * switch or while. It seems that when an if statement looks like
- * "if(" then getword above sucks in the '(' and so the search routine
- * never finds what it is scanning for. Rather than rewrite doword, I hack
- * in a test to see if the string forms a keyword. Then doword stops
- * and returns the word "if" -strike
- */
-
-static int
-keyword(wp)
- Char *wp;
-{
- static Char STRif[] = {'i', 'f', '\0'};
- static Char STRwhile[] = {'w', 'h', 'i', 'l', 'e', '\0'};
- static Char STRswitch[] = {'s', 'w', 'i', 't', 'c', 'h', '\0'};
-
- if (!wp)
- return (0);
-
- if ((Strcmp(wp, STRif) == 0) || (Strcmp(wp, STRwhile) == 0)
- || (Strcmp(wp, STRswitch) == 0))
- return (1);
-
- return (0);
-}
-
-static void
-toend()
-{
- if (whyles->w_end.type == F_SEEK && whyles->w_end.f_seek == 0) {
- search(T_BREAK, 0, NULL);
- btell(&whyles->w_end);
- whyles->w_end.f_seek--;
- }
- else
- bseek(&whyles->w_end);
- wfree();
-}
-
-void
-wfree()
-{
- struct Ain o;
- struct whyle *nwp;
-
- btell(&o);
-
- for (; whyles; whyles = nwp) {
- struct whyle *wp = whyles;
- nwp = wp->w_next;
-
- /*
- * We free loops that have different seek types.
- */
- if (wp->w_end.type != I_SEEK && wp->w_start.type == wp->w_end.type &&
- wp->w_start.type == o.type) {
- if (wp->w_end.type == F_SEEK) {
- if (o.f_seek >= wp->w_start.f_seek &&
- (wp->w_end.f_seek == 0 || o.f_seek < wp->w_end.f_seek))
- break;
- }
- else {
- if (o.a_seek >= wp->w_start.a_seek &&
- (wp->w_end.a_seek == 0 || o.a_seek < wp->w_end.a_seek))
- break;
- }
- }
-
- if (wp->w_fe0)
- blkfree(wp->w_fe0);
- if (wp->w_fename)
- xfree((ptr_t) wp->w_fename);
- xfree((ptr_t) wp);
- }
-}
-
-void
-/*ARGSUSED*/
-doecho(v, t)
- Char **v;
- struct command *t;
-{
- xecho(' ', v);
-}
-
-void
-/*ARGSUSED*/
-doglob(v, t)
- Char **v;
- struct command *t;
-{
- xecho(0, v);
- (void) fflush(cshout);
-}
-
-static void
-xecho(sep, v)
- int sep;
- Char **v;
-{
- Char *cp;
- int nonl = 0;
-
- if (setintr)
- (void) sigsetmask(sigblock(0) & ~sigmask(SIGINT));
- v++;
- if (*v == 0)
- return;
- gflag = 0, tglob(v);
- if (gflag) {
- v = globall(v);
- if (v == 0)
- stderror(ERR_NAME | ERR_NOMATCH);
- }
- else {
- v = gargv = saveblk(v);
- trim(v);
- }
- if (sep == ' ' && *v && eq(*v, STRmn))
- nonl++, v++;
- while ((cp = *v++) != NULL) {
- int c;
-
- while ((c = *cp++) != '\0')
- (void) vis_fputc(c | QUOTE, cshout);
-
- if (*v)
- (void) vis_fputc(sep | QUOTE, cshout);
- }
- if (sep && nonl == 0)
- (void) fputc('\n', cshout);
- else
- (void) fflush(cshout);
- if (setintr)
- (void) sigblock(sigmask(SIGINT));
- if (gargv)
- blkfree(gargv), gargv = 0;
-}
-
-void
-/*ARGSUSED*/
-dosetenv(v, t)
- Char **v;
- struct command *t;
-{
- Char *vp, *lp;
-
- v++;
- if ((vp = *v++) == 0) {
- Char **ep;
-
- if (setintr)
- (void) sigsetmask(sigblock(0) & ~sigmask(SIGINT));
- for (ep = STR_environ; *ep; ep++)
- (void) fprintf(cshout, "%s\n", vis_str(*ep));
- return;
- }
- if ((lp = *v++) == 0)
- lp = STRNULL;
- Setenv(vp, lp = globone(lp, G_APPEND));
- if (eq(vp, STRPATH)) {
- importpath(lp);
- dohash(NULL, NULL);
- }
- else if (eq(vp, STRLANG) || eq(vp, STRLC_CTYPE) ||
- eq(vp, STRLC_ALL) || eq(vp, STRLC_COLLATE)) {
-#ifdef NLS
- int k;
-
- (void) setlocale(LC_ALL, "");
- for (k = 0200; k <= 0377 && !Isprint(k); k++)
- continue;
- AsciiOnly = k > 0377;
-#else
- AsciiOnly = 0;
-#endif /* NLS */
- }
- xfree((ptr_t) lp);
-}
-
-void
-/*ARGSUSED*/
-dounsetenv(v, t)
- Char **v;
- struct command *t;
-{
- Char **ep, *p, *n;
- int i, maxi;
- static Char *name = NULL;
-
- if (name)
- xfree((ptr_t) name);
- /*
- * Find the longest environment variable
- */
- for (maxi = 0, ep = STR_environ; *ep; ep++) {
- for (i = 0, p = *ep; *p && *p != '='; p++, i++)
- continue;
- if (i > maxi)
- maxi = i;
- }
-
- name = (Char *) xmalloc((size_t) (maxi + 1) * sizeof(Char));
-
- while (++v && *v)
- for (maxi = 1; maxi;)
- for (maxi = 0, ep = STR_environ; *ep; ep++) {
- for (n = name, p = *ep; *p && *p != '='; *n++ = *p++)
- continue;
- *n = '\0';
- if (!Gmatch(name, *v))
- continue;
- maxi = 1;
- /*
- * Delete name, and start again cause the environment changes
- */
- Unsetenv(name);
- if (eq(name, STRLANG) || eq(name, STRLC_CTYPE) ||
- eq(name, STRLC_ALL) || eq(name, STRLC_COLLATE)) {
-#ifdef NLS
- int k;
-
- (void) setlocale(LC_ALL, "");
- for (k = 0200; k <= 0377 && !Isprint(k); k++)
- continue;
- AsciiOnly = k > 0377;
-#else
- AsciiOnly = getenv("LANG") == NULL &&
- getenv("LC_ALL") == NULL &&
- getenv("LC_CTYPE") == NULL;
-#endif /* NLS */
- }
- break;
- }
- xfree((ptr_t) name);
- name = NULL;
-}
-
-void
-Setenv(name, val)
- Char *name, *val;
-{
- Char **ep = STR_environ;
- Char *cp, *dp;
- Char *blk[2];
- Char **oep = ep;
-
-
- for (; *ep; ep++) {
- for (cp = name, dp = *ep; *cp && *cp == *dp; cp++, dp++)
- continue;
- if (*cp != 0 || *dp != '=')
- continue;
- cp = Strspl(STRequal, val);
- xfree((ptr_t) * ep);
- *ep = strip(Strspl(name, cp));
- xfree((ptr_t) cp);
- blkfree((Char **) environ);
- environ = short2blk(STR_environ);
- return;
- }
- cp = Strspl(name, STRequal);
- blk[0] = strip(Strspl(cp, val));
- xfree((ptr_t) cp);
- blk[1] = 0;
- STR_environ = blkspl(STR_environ, blk);
- blkfree((Char **) environ);
- environ = short2blk(STR_environ);
- xfree((ptr_t) oep);
-}
-
-static void
-Unsetenv(name)
- Char *name;
-{
- Char **ep = STR_environ;
- Char *cp, *dp;
- Char **oep = ep;
-
- for (; *ep; ep++) {
- for (cp = name, dp = *ep; *cp && *cp == *dp; cp++, dp++)
- continue;
- if (*cp != 0 || *dp != '=')
- continue;
- cp = *ep;
- *ep = 0;
- STR_environ = blkspl(STR_environ, ep + 1);
- environ = short2blk(STR_environ);
- *ep = cp;
- xfree((ptr_t) cp);
- xfree((ptr_t) oep);
- return;
- }
-}
-
-void
-/*ARGSUSED*/
-doumask(v, t)
- Char **v;
- struct command *t;
-{
- Char *cp = v[1];
- int i;
-
- if (cp == 0) {
- i = umask(0);
- (void) umask(i);
- (void) fprintf(cshout, "%o\n", i);
- return;
- }
- i = 0;
- while (Isdigit(*cp) && *cp != '8' && *cp != '9')
- i = i * 8 + *cp++ - '0';
- if (*cp || i < 0 || i > 0777)
- stderror(ERR_NAME | ERR_MASK);
- (void) umask(i);
-}
-
-typedef quad_t RLIM_TYPE;
-
-static struct limits {
- int limconst;
- char *limname;
- int limdiv;
- char *limscale;
-} limits[] = {
- { RLIMIT_CPU, "cputime", 1, "seconds" },
- { RLIMIT_FSIZE, "filesize", 1024, "kbytes" },
- { RLIMIT_DATA, "datasize", 1024, "kbytes" },
- { RLIMIT_STACK, "stacksize", 1024, "kbytes" },
- { RLIMIT_CORE, "coredumpsize", 1024, "kbytes" },
- { RLIMIT_RSS, "memoryuse", 1024, "kbytes" },
- { RLIMIT_MEMLOCK, "memorylocked", 1024, "kbytes" },
- { RLIMIT_NPROC, "maxproc", 1, "" },
- { RLIMIT_NOFILE, "openfiles", 1, "" },
- { RLIMIT_SBSIZE, "sbsize ", 1, "bytes" },
- { -1, NULL, 0, NULL }
-};
-
-static struct limits *findlim();
-static RLIM_TYPE getval();
-static void limtail();
-static void plim();
-static int setlim();
-
-static struct limits *
-findlim(cp)
- Char *cp;
-{
- struct limits *lp, *res;
-
- res = (struct limits *) NULL;
- for (lp = limits; lp->limconst >= 0; lp++)
- if (prefix(cp, str2short(lp->limname))) {
- if (res)
- stderror(ERR_NAME | ERR_AMBIG);
- res = lp;
- }
- if (res)
- return (res);
- stderror(ERR_NAME | ERR_LIMIT);
- /* NOTREACHED */
- return (0);
-}
-
-void
-/*ARGSUSED*/
-dolimit(v, t)
- Char **v;
- struct command *t;
-{
- struct limits *lp;
- RLIM_TYPE limit;
- char hard = 0;
-
- v++;
- if (*v && eq(*v, STRmh)) {
- hard = 1;
- v++;
- }
- if (*v == 0) {
- for (lp = limits; lp->limconst >= 0; lp++)
- plim(lp, hard);
- return;
- }
- lp = findlim(v[0]);
- if (v[1] == 0) {
- plim(lp, hard);
- return;
- }
- limit = getval(lp, v + 1);
- if (setlim(lp, hard, limit) < 0)
- stderror(ERR_SILENT);
-}
-
-static RLIM_TYPE
-getval(lp, v)
- struct limits *lp;
- Char **v;
-{
- float f;
- Char *cp = *v++;
-
- f = atof(short2str(cp));
-
- while (Isdigit(*cp) || *cp == '.' || *cp == 'e' || *cp == 'E')
- cp++;
- if (*cp == 0) {
- if (*v == 0)
- return ((RLIM_TYPE) ((f + 0.5) * lp->limdiv));
- cp = *v;
- }
- switch (*cp) {
- case ':':
- if (lp->limconst != RLIMIT_CPU)
- goto badscal;
- return ((RLIM_TYPE) (f * 60.0 + atof(short2str(cp + 1))));
- case 'h':
- if (lp->limconst != RLIMIT_CPU)
- goto badscal;
- limtail(cp, "hours");
- f *= 3600.0;
- break;
- case 'm':
- if (lp->limconst == RLIMIT_CPU) {
- limtail(cp, "minutes");
- f *= 60.0;
- break;
- }
- *cp = 'm';
- limtail(cp, "megabytes");
- f *= 1024.0 * 1024.0;
- break;
- case 's':
- if (lp->limconst != RLIMIT_CPU)
- goto badscal;
- limtail(cp, "seconds");
- break;
- case 'M':
- if (lp->limconst == RLIMIT_CPU)
- goto badscal;
- *cp = 'm';
- limtail(cp, "megabytes");
- f *= 1024.0 * 1024.0;
- break;
- case 'k':
- if (lp->limconst == RLIMIT_CPU)
- goto badscal;
- limtail(cp, "kbytes");
- f *= 1024.0;
- break;
- case 'u':
- limtail(cp, "unlimited");
- return (RLIM_INFINITY);
- default:
-badscal:
- stderror(ERR_NAME | ERR_SCALEF);
- }
- f += 0.5;
- if (f > (float) RLIM_INFINITY)
- return RLIM_INFINITY;
- else
- return ((RLIM_TYPE) f);
-}
-
-static void
-limtail(cp, str)
- Char *cp;
- char *str;
-{
- while (*cp && *cp == *str)
- cp++, str++;
- if (*cp)
- stderror(ERR_BADSCALE, str);
-}
-
-
-/*ARGSUSED*/
-static void
-plim(lp, hard)
- struct limits *lp;
- Char hard;
-{
- struct rlimit rlim;
- RLIM_TYPE limit;
-
- (void) fprintf(cshout, "%s \t", lp->limname);
-
- (void) getrlimit(lp->limconst, &rlim);
- limit = hard ? rlim.rlim_max : rlim.rlim_cur;
-
- if (limit == RLIM_INFINITY)
- (void) fprintf(cshout, "unlimited");
- else if (lp->limconst == RLIMIT_CPU)
- psecs((long) limit);
- else
- (void) fprintf(cshout, "%ld %s", (long) (limit / lp->limdiv),
- lp->limscale);
- (void) fputc('\n', cshout);
-}
-
-void
-/*ARGSUSED*/
-dounlimit(v, t)
- Char **v;
- struct command *t;
-{
- struct limits *lp;
- int lerr = 0;
- Char hard = 0;
-
- v++;
- if (*v && eq(*v, STRmh)) {
- hard = 1;
- v++;
- }
- if (*v == 0) {
- for (lp = limits; lp->limconst >= 0; lp++)
- if (setlim(lp, hard, (RLIM_TYPE) RLIM_INFINITY) < 0)
- lerr++;
- if (lerr)
- stderror(ERR_SILENT);
- return;
- }
- while (*v) {
- lp = findlim(*v++);
- if (setlim(lp, hard, (RLIM_TYPE) RLIM_INFINITY) < 0)
- stderror(ERR_SILENT);
- }
-}
-
-static int
-setlim(lp, hard, limit)
- struct limits *lp;
- Char hard;
- RLIM_TYPE limit;
-{
- struct rlimit rlim;
-
- (void) getrlimit(lp->limconst, &rlim);
-
- if (hard)
- rlim.rlim_max = limit;
- else if (limit == RLIM_INFINITY && geteuid() != 0)
- rlim.rlim_cur = rlim.rlim_max;
- else
- rlim.rlim_cur = limit;
-
- if (setrlimit(lp->limconst, &rlim) < 0) {
- (void) fprintf(csherr, "%s: %s: Can't %s%s limit\n", bname, lp->limname,
- limit == RLIM_INFINITY ? "remove" : "set",
- hard ? " hard" : "");
- return (-1);
- }
- return (0);
-}
-
-void
-/*ARGSUSED*/
-dosuspend(v, t)
- Char **v;
- struct command *t;
-{
- int ctpgrp;
-
- void (*old) __P((int));
-
- if (loginsh)
- stderror(ERR_SUSPLOG);
- untty();
-
- old = signal(SIGTSTP, SIG_DFL);
- (void) kill(0, SIGTSTP);
- /* the shell stops here */
- (void) signal(SIGTSTP, old);
-
- if (tpgrp != -1) {
- ctpgrp = tcgetpgrp(FSHTTY);
- while (ctpgrp != opgrp) {
- old = signal(SIGTTIN, SIG_DFL);
- (void) kill(0, SIGTTIN);
- (void) signal(SIGTTIN, old);
- }
- (void) setpgid(0, shpgrp);
- (void) tcsetpgrp(FSHTTY, shpgrp);
- }
-}
-
-/* This is the dreaded EVAL built-in.
- * If you don't fiddle with file descriptors, and reset didfds,
- * this command will either ignore redirection inside or outside
- * its arguments, e.g. eval "date >x" vs. eval "date" >x
- * The stuff here seems to work, but I did it by trial and error rather
- * than really knowing what was going on. If tpgrp is zero, we are
- * probably a background eval, e.g. "eval date &", and we want to
- * make sure that any processes we start stay in our pgrp.
- * This is also the case for "time eval date" -- stay in same pgrp.
- * Otherwise, under stty tostop, processes will stop in the wrong
- * pgrp, with no way for the shell to get them going again. -IAN!
- */
-static Char **gv = NULL;
-void
-/*ARGSUSED*/
-doeval(v, t)
- Char **v;
- struct command *t;
-{
- Char **oevalvec;
- Char *oevalp;
- int odidfds;
- jmp_buf osetexit;
- int my_reenter;
- Char **savegv = gv;
- int saveIN;
- int saveOUT;
- int saveERR;
- int oSHIN;
- int oSHOUT;
- int oSHERR;
-
- UNREGISTER(v);
-
- oevalvec = evalvec;
- oevalp = evalp;
- odidfds = didfds;
- oSHIN = SHIN;
- oSHOUT = SHOUT;
- oSHERR = SHERR;
-
- v++;
- if (*v == 0)
- return;
- gflag = 0, tglob(v);
- if (gflag) {
- gv = v = globall(v);
- gargv = 0;
- if (v == 0)
- stderror(ERR_NOMATCH);
- v = copyblk(v);
- }
- else {
- gv = NULL;
- v = copyblk(v);
- trim(v);
- }
-
- saveIN = dcopy(SHIN, -1);
- saveOUT = dcopy(SHOUT, -1);
- saveERR = dcopy(SHERR, -1);
-
- getexit(osetexit);
-
- if ((my_reenter = setexit()) == 0) {
- evalvec = v;
- evalp = 0;
- SHIN = dcopy(0, -1);
- SHOUT = dcopy(1, -1);
- SHERR = dcopy(2, -1);
- didfds = 0;
- process(0);
- }
-
- evalvec = oevalvec;
- evalp = oevalp;
- doneinp = 0;
- didfds = odidfds;
- (void) close(SHIN);
- (void) close(SHOUT);
- (void) close(SHERR);
- SHIN = dmove(saveIN, oSHIN);
- SHOUT = dmove(saveOUT, oSHOUT);
- SHERR = dmove(saveERR, oSHERR);
- if (gv)
- blkfree(gv), gv = NULL;
- resexit(osetexit);
- gv = savegv;
- if (my_reenter)
- stderror(ERR_SILENT);
-}
-
-void
-/*ARGSUSED*/
-doprintf(v, t)
- Char **v;
- struct command *t;
-{
- Char **newv;
- char **c;
- extern int progprintf __P((int, char **));
- int ret;
-
- gflag = 0;
- tglob(v);
- if (gflag) {
- newv = globall(v);
- if (newv == 0) {
- stderror(ERR_NAME | ERR_NOMATCH);
- return;
- }
- v = newv;
- gargv=0;
- }
-
- ret = progprintf(blklen(v), c = short2blk(v));
- (void) fflush(cshout);
- (void) fflush(csherr);
-
- blkfree((Char **) c);
- if (ret)
- stderror(ERR_SILENT);
-}
diff --git a/bin/csh/glob.c b/bin/csh/glob.c
deleted file mode 100644
index 09c928a..0000000
--- a/bin/csh/glob.c
+++ /dev/null
@@ -1,961 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)glob.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/param.h>
-#include <glob.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "extern.h"
-
-static int noglob;
-static int pargsiz, gargsiz;
-
-/*
- * Values for gflag
- */
-#define G_NONE 0 /* No globbing needed */
-#define G_GLOB 1 /* string contains *?[] characters */
-#define G_CSH 2 /* string contains ~`{ characters */
-
-#define GLOBSPACE 100 /* Alloc increment */
-
-#define LBRC '{'
-#define RBRC '}'
-#define LBRK '['
-#define RBRK ']'
-#define EOS '\0'
-
-Char **gargv = NULL;
-long gargc = 0;
-Char **pargv = NULL;
-long pargc = 0;
-
-/*
- * globbing is now done in two stages. In the first pass we expand
- * csh globbing idioms ~`{ and then we proceed doing the normal
- * globbing if needed ?*[
- *
- * Csh type globbing is handled in globexpand() and the rest is
- * handled in glob() which is part of the 4.4BSD libc.
- *
- */
-static Char *globtilde __P((Char **, Char *));
-static Char **libglob __P((Char **));
-static Char **globexpand __P((Char **));
-static int globbrace __P((Char *, Char *, Char ***));
-static void expbrace __P((Char ***, Char ***, int));
-static int pmatch __P((Char *, Char *));
-static void pword __P((void));
-static void psave __P((int));
-static void backeval __P((Char *, bool));
-static int collate_range_cmp __P((int, int));
-
-static int collate_range_cmp (c1, c2)
- int c1, c2;
-{
- static char s1[2], s2[2];
- int ret;
-
- c1 &= UCHAR_MAX;
- c2 &= UCHAR_MAX;
- if (c1 == c2)
- return (0);
- s1[0] = c1;
- s2[0] = c2;
- if ((ret = strcoll(s1, s2)) != 0)
- return (ret);
- return (c1 - c2);
-}
-
-static Char *
-globtilde(nv, s)
- Char **nv, *s;
-{
- Char gbuf[MAXPATHLEN], *gstart, *b, *u, *e;
-
- gstart = gbuf;
- *gstart++ = *s++;
- u = s;
- for (b = gstart, e = &gbuf[MAXPATHLEN - 1];
- *s && *s != '/' && *s != ':' && b < e;
- *b++ = *s++)
- continue;
- *b = EOS;
- if (gethdir(gstart)) {
- blkfree(nv);
- if (*gstart)
- stderror(ERR_UNKUSER, vis_str(gstart));
- else
- stderror(ERR_NOHOME);
- }
- b = &gstart[Strlen(gstart)];
- while (*s)
- *b++ = *s++;
- *b = EOS;
- --u;
- xfree((ptr_t) u);
- return (Strsave(gstart));
-}
-
-static int
-globbrace(s, p, bl)
- Char *s, *p, ***bl;
-{
- int i, len;
- Char *pm, *pe, *lm, *pl;
- Char **nv, **vl;
- Char gbuf[MAXPATHLEN];
- int size = GLOBSPACE;
-
- nv = vl = (Char **) xmalloc((size_t) sizeof(Char *) * size);
- *vl = NULL;
-
- len = 0;
- /* copy part up to the brace */
- for (lm = gbuf, p = s; *p != LBRC; *lm++ = *p++)
- continue;
-
- /* check for balanced braces */
- for (i = 0, pe = ++p; *pe; pe++)
- if (*pe == LBRK) {
- /* Ignore everything between [] */
- for (++pe; *pe != RBRK && *pe != EOS; pe++)
- continue;
- if (*pe == EOS) {
- blkfree(nv);
- return (-RBRK);
- }
- }
- else if (*pe == LBRC)
- i++;
- else if (*pe == RBRC) {
- if (i == 0)
- break;
- i--;
- }
-
- if (i != 0 || *pe == '\0') {
- blkfree(nv);
- return (-RBRC);
- }
-
- for (i = 0, pl = pm = p; pm <= pe; pm++)
- switch (*pm) {
- case LBRK:
- for (++pm; *pm != RBRK && *pm != EOS; pm++)
- continue;
- if (*pm == EOS) {
- *vl = NULL;
- blkfree(nv);
- return (-RBRK);
- }
- break;
- case LBRC:
- i++;
- break;
- case RBRC:
- if (i) {
- i--;
- break;
- }
- /* FALLTHROUGH */
- case ',':
- if (i && *pm == ',')
- break;
- else {
- Char savec = *pm;
-
- *pm = EOS;
- (void) Strcpy(lm, pl);
- (void) Strcat(gbuf, pe + 1);
- *pm = savec;
- *vl++ = Strsave(gbuf);
- len++;
- pl = pm + 1;
- if (vl == &nv[size]) {
- size += GLOBSPACE;
- nv = (Char **) xrealloc((ptr_t) nv, (size_t)
- size * sizeof(Char *));
- vl = &nv[size - GLOBSPACE];
- }
- }
- break;
- default:
- break;
- }
- *vl = NULL;
- *bl = nv;
- return (len);
-}
-
-
-static void
-expbrace(nvp, elp, size)
- Char ***nvp, ***elp;
- int size;
-{
- Char **vl, **el, **nv, *s;
-
- vl = nv = *nvp;
- if (elp != NULL)
- el = *elp;
- else
- for (el = vl; *el; el++)
- continue;
-
- for (s = *vl; s; s = *++vl) {
- Char *b;
- Char **vp, **bp;
-
- /* leave {} untouched for find */
- if (s[0] == '{' && (s[1] == '\0' || (s[1] == '}' && s[2] == '\0')))
- continue;
- if ((b = Strchr(s, '{')) != NULL) {
- Char **bl;
- int len;
-
- if ((len = globbrace(s, b, &bl)) < 0) {
- xfree((ptr_t) nv);
- stderror(ERR_MISSING, -len);
- }
- xfree((ptr_t) s);
- if (len == 1) {
- *vl-- = *bl;
- xfree((ptr_t) bl);
- continue;
- }
- len = blklen(bl);
- if (&el[len] >= &nv[size]) {
- int l, e;
-
- l = &el[len] - &nv[size];
- size += GLOBSPACE > l ? GLOBSPACE : l;
- l = vl - nv;
- e = el - nv;
- nv = (Char **) xrealloc((ptr_t) nv, (size_t)
- size * sizeof(Char *));
- vl = nv + l;
- el = nv + e;
- }
- vp = vl--;
- *vp = *bl;
- len--;
- for (bp = el; bp != vp; bp--)
- bp[len] = *bp;
- el += len;
- vp++;
- for (bp = bl + 1; *bp; *vp++ = *bp++)
- continue;
- xfree((ptr_t) bl);
- }
-
- }
- if (elp != NULL)
- *elp = el;
- *nvp = nv;
-}
-
-static Char **
-globexpand(v)
- Char **v;
-{
- Char *s;
- Char **nv, **vl, **el;
- int size = GLOBSPACE;
-
-
- nv = vl = (Char **) xmalloc((size_t) sizeof(Char *) * size);
- *vl = NULL;
-
- /*
- * Step 1: expand backquotes.
- */
- while ((s = *v++) != NULL) {
- if (Strchr(s, '`')) {
- int i;
-
- (void) dobackp(s, 0);
- for (i = 0; i < pargc; i++) {
- *vl++ = pargv[i];
- if (vl == &nv[size]) {
- size += GLOBSPACE;
- nv = (Char **) xrealloc((ptr_t) nv,
- (size_t) size * sizeof(Char *));
- vl = &nv[size - GLOBSPACE];
- }
- }
- xfree((ptr_t) pargv);
- pargv = NULL;
- }
- else {
- *vl++ = Strsave(s);
- if (vl == &nv[size]) {
- size += GLOBSPACE;
- nv = (Char **) xrealloc((ptr_t) nv, (size_t)
- size * sizeof(Char *));
- vl = &nv[size - GLOBSPACE];
- }
- }
- }
- *vl = NULL;
-
- if (noglob)
- return (nv);
-
- /*
- * Step 2: expand braces
- */
- el = vl;
- expbrace(&nv, &el, size);
-
- /*
- * Step 3: expand ~
- */
- vl = nv;
- for (s = *vl; s; s = *++vl)
- if (*s == '~')
- *vl = globtilde(nv, s);
- vl = nv;
- return (vl);
-}
-
-static Char *
-handleone(str, vl, action)
- Char *str, **vl;
- int action;
-{
-
- Char *cp, **vlp = vl;
-
- switch (action) {
- case G_ERROR:
- setname(vis_str(str));
- blkfree(vl);
- stderror(ERR_NAME | ERR_AMBIG);
- break;
- case G_APPEND:
- trim(vlp);
- str = Strsave(*vlp++);
- do {
- cp = Strspl(str, STRspace);
- xfree((ptr_t) str);
- str = Strspl(cp, *vlp);
- xfree((ptr_t) cp);
- }
- while (*++vlp);
- blkfree(vl);
- break;
- case G_IGNORE:
- str = Strsave(strip(*vlp));
- blkfree(vl);
- break;
- default:
- break;
- }
- return (str);
-}
-
-static Char **
-libglob(vl)
- Char **vl;
-{
- int gflgs = GLOB_QUOTE | GLOB_NOMAGIC;
- glob_t globv;
- char *ptr;
- int nonomatch = adrof(STRnonomatch) != 0, magic = 0, match = 0;
-
- if (!vl || !vl[0])
- return (vl);
-
- globv.gl_offs = 0;
- globv.gl_pathv = 0;
- globv.gl_pathc = 0;
-
- if (nonomatch)
- gflgs |= GLOB_NOCHECK;
-
- do {
- ptr = short2qstr(*vl);
- switch (glob(ptr, gflgs, 0, &globv)) {
- case GLOB_ABEND:
- setname(vis_str(*vl));
- stderror(ERR_NAME | ERR_GLOB);
- /* NOTREACHED */
- case GLOB_NOSPACE:
- stderror(ERR_NOMEM);
- /* NOTREACHED */
- default:
- break;
- }
- if (globv.gl_flags & GLOB_MAGCHAR) {
- match |= (globv.gl_matchc != 0);
- magic = 1;
- }
- gflgs |= GLOB_APPEND;
- }
- while (*++vl);
- vl = (globv.gl_pathc == 0 || (magic && !match && !nonomatch)) ?
- NULL : blk2short(globv.gl_pathv);
- globfree(&globv);
- return (vl);
-}
-
-Char *
-globone(str, action)
- Char *str;
- int action;
-{
- Char *v[2], **vl, **vo;
- int gflg;
-
- noglob = adrof(STRnoglob) != 0;
- gflag = 0;
- v[0] = str;
- v[1] = 0;
- tglob(v);
- gflg = gflag;
- if (gflg == G_NONE)
- return (strip(Strsave(str)));
-
- if (gflg & G_CSH) {
- /*
- * Expand back-quote, tilde and brace
- */
- vo = globexpand(v);
- if (noglob || (gflg & G_GLOB) == 0) {
- if (vo[0] == NULL) {
- xfree((ptr_t) vo);
- return (Strsave(STRNULL));
- }
- if (vo[1] != NULL)
- return (handleone(str, vo, action));
- else {
- str = strip(vo[0]);
- xfree((ptr_t) vo);
- return (str);
- }
- }
- }
- else if (noglob || (gflg & G_GLOB) == 0)
- return (strip(Strsave(str)));
- else
- vo = v;
-
- vl = libglob(vo);
- if ((gflg & G_CSH) && vl != vo)
- blkfree(vo);
- if (vl == NULL) {
- setname(vis_str(str));
- stderror(ERR_NAME | ERR_NOMATCH);
- }
- if (vl[0] == NULL) {
- xfree((ptr_t) vl);
- return (Strsave(STRNULL));
- }
- if (vl[1] != NULL)
- return (handleone(str, vl, action));
- else {
- str = strip(*vl);
- xfree((ptr_t) vl);
- return (str);
- }
-}
-
-Char **
-globall(v)
- Char **v;
-{
- Char **vl, **vo;
- int gflg = gflag;
-
- if (!v || !v[0]) {
- gargv = saveblk(v);
- gargc = blklen(gargv);
- return (gargv);
- }
-
- noglob = adrof(STRnoglob) != 0;
-
- if (gflg & G_CSH)
- /*
- * Expand back-quote, tilde and brace
- */
- vl = vo = globexpand(v);
- else
- vl = vo = saveblk(v);
-
- if (!noglob && (gflg & G_GLOB)) {
- vl = libglob(vo);
- if ((gflg & G_CSH) && vl != vo)
- blkfree(vo);
- }
- else
- trim(vl);
-
- gargc = vl ? blklen(vl) : 0;
- return (gargv = vl);
-}
-
-void
-ginit()
-{
- gargsiz = GLOBSPACE;
- gargv = (Char **) xmalloc((size_t) sizeof(Char *) * gargsiz);
- gargv[0] = 0;
- gargc = 0;
-}
-
-void
-rscan(t, f)
- Char **t;
- void (*f) __P((int));
-{
- Char *p;
-
- while ((p = *t++) != NULL)
- while (*p)
- (*f) (*p++);
-}
-
-void
-trim(t)
- Char **t;
-{
- Char *p;
-
- while ((p = *t++) != NULL)
- while (*p)
- *p++ &= TRIM;
-}
-
-void
-tglob(t)
- Char **t;
-{
- Char *p, c;
-
- while ((p = *t++) != NULL) {
- if (*p == '~' || *p == '=')
- gflag |= G_CSH;
- else if (*p == '{' &&
- (p[1] == '\0' || (p[1] == '}' && p[2] == '\0')))
- continue;
- while ((c = *p++) != '\0') {
- /*
- * eat everything inside the matching backquotes
- */
- if (c == '`') {
- gflag |= G_CSH;
- while (*p && *p != '`')
- if (*p++ == '\\') {
- if (*p) /* Quoted chars */
- p++;
- else
- break;
- }
- if (*p) /* The matching ` */
- p++;
- else
- break;
- }
- else if (c == '{')
- gflag |= G_CSH;
- else if (isglob(c))
- gflag |= G_GLOB;
- }
- }
-}
-
-/*
- * Command substitute cp. If literal, then this is a substitution from a
- * << redirection, and so we should not crunch blanks and tabs, separating
- * words only at newlines.
- */
-Char **
-dobackp(cp, literal)
- Char *cp;
- bool literal;
-{
- Char *lp, *rp;
- Char *ep, word[MAXPATHLEN];
-
- if (pargv) {
-#ifdef notdef
- abort();
-#endif
- blkfree(pargv);
- }
- pargsiz = GLOBSPACE;
- pargv = (Char **) xmalloc((size_t) sizeof(Char *) * pargsiz);
- pargv[0] = NULL;
- pargcp = pargs = word;
- pargc = 0;
- pnleft = MAXPATHLEN - 4;
- for (;;) {
- for (lp = cp; *lp != '`'; lp++) {
- if (*lp == 0) {
- if (pargcp != pargs)
- pword();
- return (pargv);
- }
- psave(*lp);
- }
- lp++;
- for (rp = lp; *rp && *rp != '`'; rp++)
- if (*rp == '\\') {
- rp++;
- if (!*rp)
- goto oops;
- }
- if (!*rp)
- oops: stderror(ERR_UNMATCHED, '`');
- ep = Strsave(lp);
- ep[rp - lp] = 0;
- backeval(ep, literal);
- cp = rp + 1;
- }
-}
-
-static void
-backeval(cp, literal)
- Char *cp;
- bool literal;
-{
- int icnt, c;
- Char *ip;
- struct command faket;
- bool hadnl;
- int pvec[2], quoted;
- Char *fakecom[2], ibuf[BUFSIZ];
- char tibuf[BUFSIZ];
-
- hadnl = 0;
- icnt = 0;
- quoted = (literal || (cp[0] & QUOTE)) ? QUOTE : 0;
- faket.t_dtyp = NODE_COMMAND;
- faket.t_dflg = 0;
- faket.t_dlef = 0;
- faket.t_drit = 0;
- faket.t_dspr = 0;
- faket.t_dcom = fakecom;
- fakecom[0] = STRfakecom1;
- fakecom[1] = 0;
-
- /*
- * We do the psave job to temporarily change the current job so that the
- * following fork is considered a separate job. This is so that when
- * backquotes are used in a builtin function that calls glob the "current
- * job" is not corrupted. We only need one level of pushed jobs as long as
- * we are sure to fork here.
- */
- psavejob();
-
- /*
- * It would be nicer if we could integrate this redirection more with the
- * routines in sh.sem.c by doing a fake execute on a builtin function that
- * was piped out.
- */
- mypipe(pvec);
- if (pfork(&faket, -1) == 0) {
- struct wordent paraml;
- struct command *t;
-
- (void) close(pvec[0]);
- (void) dmove(pvec[1], 1);
- (void) dmove(SHERR, 2);
- initdesc();
- /*
- * Bugfix for nested backquotes by Michael Greim <greim@sbsvax.UUCP>,
- * posted to comp.bugs.4bsd 12 Sep. 1989.
- */
- if (pargv) /* mg, 21.dec.88 */
- blkfree(pargv), pargv = 0, pargsiz = 0;
- /* mg, 21.dec.88 */
- arginp = cp;
- while (*cp)
- *cp++ &= TRIM;
-
- /*
- * In the child ``forget'' everything about current aliases or
- * eval vectors.
- */
- alvec = NULL;
- evalvec = NULL;
- alvecp = NULL;
- evalp = NULL;
- (void) lex(&paraml);
- if (seterr)
- stderror(ERR_OLD);
- alias(&paraml);
- t = syntax(paraml.next, &paraml, 0);
- if (seterr)
- stderror(ERR_OLD);
- if (t)
- t->t_dflg |= F_NOFORK;
- (void) signal(SIGTSTP, SIG_IGN);
- (void) signal(SIGTTIN, SIG_IGN);
- (void) signal(SIGTTOU, SIG_IGN);
- execute(t, -1, NULL, NULL);
- exitstat();
- }
- xfree((ptr_t) cp);
- (void) close(pvec[1]);
- c = 0;
- ip = NULL;
- do {
- int cnt = 0;
-
- for (;;) {
- if (icnt == 0) {
- int i;
-
- ip = ibuf;
- do
- icnt = read(pvec[0], tibuf, BUFSIZ);
- while (icnt == -1 && errno == EINTR);
- if (icnt <= 0) {
- c = -1;
- break;
- }
- for (i = 0; i < icnt; i++)
- ip[i] = (unsigned char) tibuf[i];
- }
- if (hadnl)
- break;
- --icnt;
- c = (*ip++ & TRIM);
- if (c == 0)
- break;
- if (c == '\n') {
- /*
- * Continue around the loop one more time, so that we can eat
- * the last newline without terminating this word.
- */
- hadnl = 1;
- continue;
- }
- if (!quoted && (c == ' ' || c == '\t'))
- break;
- cnt++;
- psave(c | quoted);
- }
- /*
- * Unless at end-of-file, we will form a new word here if there were
- * characters in the word, or in any case when we take text literally.
- * If we didn't make empty words here when literal was set then we
- * would lose blank lines.
- */
- if (c != -1 && (cnt || literal))
- pword();
- hadnl = 0;
- } while (c >= 0);
- (void) close(pvec[0]);
- pwait();
- prestjob();
-}
-
-static void
-psave(c)
- int c;
-{
- if (--pnleft <= 0)
- stderror(ERR_WTOOLONG);
- *pargcp++ = c;
-}
-
-static void
-pword()
-{
- psave(0);
- if (pargc == pargsiz - 1) {
- pargsiz += GLOBSPACE;
- pargv = (Char **) xrealloc((ptr_t) pargv,
- (size_t) pargsiz * sizeof(Char *));
- }
- pargv[pargc++] = Strsave(pargs);
- pargv[pargc] = NULL;
- pargcp = pargs;
- pnleft = MAXPATHLEN - 4;
-}
-
-int
-Gmatch(string, pattern)
- Char *string, *pattern;
-{
- Char **blk, **p;
- int gpol = 1, gres = 0;
-
- if (*pattern == '^') {
- gpol = 0;
- pattern++;
- }
-
- blk = (Char **) xmalloc(GLOBSPACE * sizeof(Char *));
- blk[0] = Strsave(pattern);
- blk[1] = NULL;
-
- expbrace(&blk, NULL, GLOBSPACE);
-
- for (p = blk; *p; p++)
- gres |= pmatch(string, *p);
-
- blkfree(blk);
- return(gres == gpol);
-}
-
-static int
-pmatch(string, pattern)
- Char *string, *pattern;
-{
- Char stringc, patternc;
- int match, negate_range;
- Char rangec;
-
- for (;; ++string) {
- stringc = *string & TRIM;
- patternc = *pattern++;
- switch (patternc) {
- case 0:
- return (stringc == 0);
- case '?':
- if (stringc == 0)
- return (0);
- break;
- case '*':
- if (!*pattern)
- return (1);
- while (*string)
- if (Gmatch(string++, pattern))
- return (1);
- return (0);
- case '[':
- match = 0;
- if ((negate_range = (*pattern == '^')) != 0)
- pattern++;
- while ((rangec = *pattern++) != '\0') {
- if (rangec == ']')
- break;
- if (match)
- continue;
- if (rangec == '-' && *(pattern-2) != '[' && *pattern != ']') {
- match = ( collate_range_cmp(stringc, *pattern & TRIM) <= 0
- && collate_range_cmp(*(pattern-2) & TRIM, stringc) <= 0
- );
- pattern++;
- }
- else
- match = (stringc == (rangec & TRIM));
- }
- if (rangec == 0)
- stderror(ERR_NAME | ERR_MISSING, ']');
- if (match == negate_range)
- return (0);
- break;
- default:
- if ((patternc & TRIM) != stringc)
- return (0);
- break;
-
- }
- }
-}
-
-void
-Gcat(s1, s2)
- Char *s1, *s2;
-{
- Char *p, *q;
- int n;
-
- for (p = s1; *p++;)
- continue;
- for (q = s2; *q++;)
- continue;
- n = (p - s1) + (q - s2) - 1;
- if (++gargc >= gargsiz) {
- gargsiz += GLOBSPACE;
- gargv = (Char **) xrealloc((ptr_t) gargv,
- (size_t) gargsiz * sizeof(Char *));
- }
- gargv[gargc] = 0;
- p = gargv[gargc - 1] = (Char *) xmalloc((size_t) n * sizeof(Char));
- for (q = s1; (*p++ = *q++) != '\0';)
- continue;
- for (p--, q = s2; (*p++ = *q++) != '\0';)
- continue;
-}
-
-#ifdef FILEC
-int
-sortscmp(a, b)
- const ptr_t a, b;
-{
-#if defined(NLS) && !defined(NOSTRCOLL)
- char buf[2048];
-#endif
-
- if (!a) /* check for NULL */
- return (b ? 1 : 0);
- if (!b)
- return (-1);
-
- if (!*(Char **)a) /* check for NULL */
- return (*(Char **)b ? 1 : 0);
- if (!*(Char **)b)
- return (-1);
-
-#if defined(NLS) && !defined(NOSTRCOLL)
- (void) strcpy(buf, short2str(*(Char **)a));
- return ((int) strcoll(buf, short2str(*(Char **)b)));
-#else
- return ((int) Strcmp(*(Char **)a, *(Char **)b));
-#endif
-}
-#endif /* FILEC */
diff --git a/bin/csh/hist.c b/bin/csh/hist.c
deleted file mode 100644
index 2df74e1..0000000
--- a/bin/csh/hist.c
+++ /dev/null
@@ -1,188 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)hist.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/types.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "extern.h"
-
-static void hfree __P((struct Hist *));
-static void dohist1 __P((struct Hist *, int *, int, int));
-static void phist __P((struct Hist *, int));
-
-void
-savehist(sp)
- struct wordent *sp;
-{
- struct Hist *hp, *np;
- int histlen = 0;
- Char *cp;
-
- /* throw away null lines */
- if (sp->next->word[0] == '\n')
- return;
- cp = value(STRhistory);
- if (*cp) {
- Char *p = cp;
-
- while (*p) {
- if (!Isdigit(*p)) {
- histlen = 0;
- break;
- }
- histlen = histlen * 10 + *p++ - '0';
- }
- }
- for (hp = &Histlist; (np = hp->Hnext) != NULL;)
- if (eventno - np->Href >= histlen || histlen == 0)
- hp->Hnext = np->Hnext, hfree(np);
- else
- hp = np;
- (void) enthist(++eventno, sp, 1);
-}
-
-struct Hist *
-enthist(event, lp, docopy)
- int event;
- struct wordent *lp;
- bool docopy;
-{
- struct Hist *np;
-
- np = (struct Hist *) xmalloc((size_t) sizeof(*np));
- np->Hnum = np->Href = event;
- if (docopy) {
- copylex(&np->Hlex, lp);
- }
- else {
- np->Hlex.next = lp->next;
- lp->next->prev = &np->Hlex;
- np->Hlex.prev = lp->prev;
- lp->prev->next = &np->Hlex;
- }
- np->Hnext = Histlist.Hnext;
- Histlist.Hnext = np;
- return (np);
-}
-
-static void
-hfree(hp)
- struct Hist *hp;
-{
-
- freelex(&hp->Hlex);
- xfree((ptr_t) hp);
-}
-
-void
-/*ARGSUSED*/
-dohist(v, t)
- Char **v;
- struct command *t;
-{
- int n, rflg = 0, hflg = 0;
-
- if (getn(value(STRhistory)) == 0)
- return;
- if (setintr)
- (void) sigsetmask(sigblock(0) & ~sigmask(SIGINT));
- while (*++v && **v == '-') {
- Char *vp = *v;
-
- while (*++vp)
- switch (*vp) {
- case 'h':
- hflg++;
- break;
- case 'r':
- rflg++;
- break;
- case '-': /* ignore multiple '-'s */
- break;
- default:
- stderror(ERR_HISTUS);
- break;
- }
- }
- if (*v)
- n = getn(*v);
- else {
- n = getn(value(STRhistory));
- }
- dohist1(Histlist.Hnext, &n, rflg, hflg);
-}
-
-static void
-dohist1(hp, np, rflg, hflg)
- struct Hist *hp;
- int *np, rflg, hflg;
-{
- bool print = (*np) > 0;
-
- for (; hp != 0; hp = hp->Hnext) {
- (*np)--;
- hp->Href++;
- if (rflg == 0) {
- dohist1(hp->Hnext, np, rflg, hflg);
- if (print)
- phist(hp, hflg);
- return;
- }
- if (*np >= 0)
- phist(hp, hflg);
- }
-}
-
-static void
-phist(hp, hflg)
- struct Hist *hp;
- int hflg;
-{
- if (hflg == 0)
- (void) fprintf(cshout, "%6d\t", hp->Hnum);
- prlex(cshout, &hp->Hlex);
-}
diff --git a/bin/csh/init.c b/bin/csh/init.c
deleted file mode 100644
index c290a6b..0000000
--- a/bin/csh/init.c
+++ /dev/null
@@ -1,139 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)init.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "extern.h"
-
-#define INF 1000
-
-struct biltins bfunc[] =
-{
- { "@", dolet, 0, INF },
- { "alias", doalias, 0, INF },
- { "alloc", showall, 0, 1 },
- { "bg", dobg, 0, INF },
- { "break", dobreak, 0, 0 },
- { "breaksw", doswbrk, 0, 0 },
- { "case", dozip, 0, 1 },
- { "cd", dochngd, 0, INF },
- { "chdir", dochngd, 0, INF },
- { "continue", docontin, 0, 0 },
- { "default", dozip, 0, 0 },
- { "dirs", dodirs, 0, INF },
- { "echo", doecho, 0, INF },
- { "else", doelse, 0, INF },
- { "end", doend, 0, 0 },
- { "endif", dozip, 0, 0 },
- { "endsw", dozip, 0, 0 },
- { "eval", doeval, 0, INF },
- { "exec", execash, 1, INF },
- { "exit", doexit, 0, INF },
- { "fg", dofg, 0, INF },
- { "foreach", doforeach, 3, INF },
- { "glob", doglob, 0, INF },
- { "goto", dogoto, 1, 1 },
- { "hashstat", hashstat, 0, 0 },
- { "history", dohist, 0, 2 },
- { "if", doif, 1, INF },
- { "jobs", dojobs, 0, 1 },
- { "kill", dokill, 1, INF },
- { "limit", dolimit, 0, 3 },
- { "linedit", doecho, 0, INF },
- { "login", dologin, 0, 1 },
- { "logout", dologout, 0, 0 },
- { "nice", donice, 0, INF },
- { "nohup", donohup, 0, INF },
- { "notify", donotify, 0, INF },
- { "onintr", doonintr, 0, 2 },
- { "popd", dopopd, 0, INF },
- { "printf", doprintf, 1, INF },
- { "pushd", dopushd, 0, INF },
- { "rehash", dohash, 0, 0 },
- { "repeat", dorepeat, 2, INF },
- { "set", doset, 0, INF },
- { "setenv", dosetenv, 0, 2 },
- { "shift", shift, 0, 1 },
- { "source", dosource, 1, 2 },
- { "stop", dostop, 1, INF },
- { "suspend", dosuspend, 0, 0 },
- { "switch", doswitch, 1, INF },
- { "time", dotime, 0, INF },
- { "umask", doumask, 0, 1 },
- { "unalias", unalias, 1, INF },
- { "unhash", dounhash, 0, 0 },
- { "unlimit", dounlimit, 0, INF },
- { "unset", unset, 1, INF },
- { "unsetenv", dounsetenv, 1, INF },
- { "wait", dowait, 0, 0 },
- { "which", dowhich, 1, INF },
- { "while", dowhile, 1, INF }
-};
-int nbfunc = sizeof bfunc / sizeof *bfunc;
-
-struct srch srchn[] =
-{
- { "@", T_LET },
- { "break", T_BREAK },
- { "breaksw", T_BRKSW },
- { "case", T_CASE },
- { "default", T_DEFAULT },
- { "else", T_ELSE },
- { "end", T_END },
- { "endif", T_ENDIF },
- { "endsw", T_ENDSW },
- { "exit", T_EXIT },
- { "foreach", T_FOREACH },
- { "goto", T_GOTO },
- { "if", T_IF },
- { "label", T_LABEL },
- { "set", T_SET },
- { "switch", T_SWITCH },
- { "while", T_WHILE }
-};
-int nsrchn = sizeof srchn / sizeof *srchn;
-
diff --git a/bin/csh/lex.c b/bin/csh/lex.c
deleted file mode 100644
index 6ea61ac..0000000
--- a/bin/csh/lex.c
+++ /dev/null
@@ -1,1643 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)lex.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <termios.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "extern.h"
-
-/*
- * These lexical routines read input and form lists of words.
- * There is some involved processing here, because of the complications
- * of input buffering, and especially because of history substitution.
- */
-
-static Char *word __P((void));
-static int getC1 __P((int));
-static void getdol __P((void));
-static void getexcl __P((int));
-static struct Hist
- *findev __P((Char *, bool));
-static void setexclp __P((Char *));
-static int bgetc __P((void));
-static void bfree __P((void));
-static struct wordent
- *gethent __P((int));
-static int matchs __P((Char *, Char *));
-static int getsel __P((int *, int *, int));
-static struct wordent
- *getsub __P((struct wordent *));
-static Char *subword __P((Char *, int, bool *));
-static struct wordent
- *dosub __P((int, struct wordent *, bool));
-
-/*
- * Peekc is a peek character for getC, peekread for readc.
- * There is a subtlety here in many places... history routines
- * will read ahead and then insert stuff into the input stream.
- * If they push back a character then they must push it behind
- * the text substituted by the history substitution. On the other
- * hand in several places we need 2 peek characters. To make this
- * all work, the history routines read with getC, and make use both
- * of ungetC and unreadc. The key observation is that the state
- * of getC at the call of a history reference is such that calls
- * to getC from the history routines will always yield calls of
- * readc, unless this peeking is involved. That is to say that during
- * getexcl the variables lap, exclp, and exclnxt are all zero.
- *
- * Getdol invokes history substitution, hence the extra peek, peekd,
- * which it can ungetD to be before history substitutions.
- */
-static Char peekc = 0, peekd = 0;
-static Char peekread = 0;
-
-/* (Tail of) current word from ! subst */
-static Char *exclp = NULL;
-
-/* The rest of the ! subst words */
-static struct wordent *exclnxt = NULL;
-
-/* Count of remaining words in ! subst */
-static int exclc = 0;
-
-/* "Globp" for alias resubstitution */
-Char *alvecp = NULL;
-int aret = F_SEEK;
-
-/*
- * Labuf implements a general buffer for lookahead during lexical operations.
- * Text which is to be placed in the input stream can be stuck here.
- * We stick parsed ahead $ constructs during initial input,
- * process id's from `$$', and modified variable values (from qualifiers
- * during expansion in sh.dol.c) here.
- */
-static Char labuf[BUFSIZ];
-
-/*
- * Lex returns to its caller not only a wordlist (as a "var" parameter)
- * but also whether a history substitution occurred. This is used in
- * the main (process) routine to determine whether to echo, and also
- * when called by the alias routine to determine whether to keep the
- * argument list.
- */
-static bool hadhist = 0;
-
-/*
- * Avoid alias expansion recursion via \!#
- */
-int hleft;
-
-static Char getCtmp;
-
-#define getC(f) ((getCtmp = peekc) ? (peekc = 0, getCtmp) : getC1(f))
-#define ungetC(c) peekc = c
-#define ungetD(c) peekd = c
-
-int
-lex(hp)
- struct wordent *hp;
-{
- struct wordent *wdp;
- int c;
-
- btell(&lineloc);
- hp->next = hp->prev = hp;
- hp->word = STRNULL;
- hadhist = 0;
- do
- c = readc(0);
- while (c == ' ' || c == '\t');
- if (c == HISTSUB && intty)
- /* ^lef^rit from tty is short !:s^lef^rit */
- getexcl(c);
- else
- unreadc(c);
- wdp = hp;
- /*
- * The following loop is written so that the links needed by freelex will
- * be ready and rarin to go even if it is interrupted.
- */
- do {
- struct wordent *new;
-
- new = (struct wordent *) xmalloc((size_t) sizeof(*wdp));
- new->word = 0;
- new->prev = wdp;
- new->next = hp;
- wdp->next = new;
- wdp = new;
- wdp->word = word();
- } while (wdp->word[0] != '\n');
- hp->prev = wdp;
- return (hadhist);
-}
-
-void
-prlex(fp, sp0)
- FILE *fp;
- struct wordent *sp0;
-{
- struct wordent *sp = sp0->next;
-
- for (;;) {
- (void) fprintf(fp, "%s", vis_str(sp->word));
- sp = sp->next;
- if (sp == sp0)
- break;
- if (sp->word[0] != '\n')
- (void) fputc(' ', fp);
- }
-}
-
-void
-copylex(hp, fp)
- struct wordent *hp;
- struct wordent *fp;
-{
- struct wordent *wdp;
-
- wdp = hp;
- fp = fp->next;
- do {
- struct wordent *new;
-
- new = (struct wordent *) xmalloc((size_t) sizeof(*wdp));
- new->prev = wdp;
- new->next = hp;
- wdp->next = new;
- wdp = new;
- wdp->word = Strsave(fp->word);
- fp = fp->next;
- } while (wdp->word[0] != '\n');
- hp->prev = wdp;
-}
-
-void
-freelex(vp)
- struct wordent *vp;
-{
- struct wordent *fp;
-
- while (vp->next != vp) {
- fp = vp->next;
- vp->next = fp->next;
- xfree((ptr_t) fp->word);
- xfree((ptr_t) fp);
- }
- vp->prev = vp;
-}
-
-static Char *
-word()
-{
- Char c, c1;
- Char *wp;
- Char wbuf[BUFSIZ];
- bool dolflg;
- int i;
-
- wp = wbuf;
- i = BUFSIZ - 4;
-loop:
- while ((c = getC(DOALL)) == ' ' || c == '\t')
- continue;
- if (cmap(c, _META | _ESC))
- switch (c) {
- case '&':
- case '|':
- case '<':
- case '>':
- *wp++ = c;
- c1 = getC(DOALL);
- if (c1 == c)
- *wp++ = c1;
- else
- ungetC(c1);
- goto ret;
-
- case '#':
- if (intty)
- break;
- c = 0;
- do {
- c1 = c;
- c = getC(0);
- } while (c != '\n');
- if (c1 == '\\')
- goto loop;
- /* fall into ... */
-
- case ';':
- case '(':
- case ')':
- case '\n':
- *wp++ = c;
- goto ret;
-
- case '\\':
- c = getC(0);
- if (c == '\n') {
- if (onelflg == 1)
- onelflg = 2;
- goto loop;
- }
- if (c != HIST)
- *wp++ = '\\', --i;
- c |= QUOTE;
- }
- c1 = 0;
- dolflg = DOALL;
- for (;;) {
- if (c1) {
- if (c == c1) {
- c1 = 0;
- dolflg = DOALL;
- }
- else if (c == '\\') {
- c = getC(0);
- if (c == HIST)
- c |= QUOTE;
- else {
- if (c == '\n')
- /*
- * if (c1 == '`') c = ' '; else
- */
- c |= QUOTE;
- ungetC(c);
- c = '\\';
- }
- }
- else if (c == '\n') {
- seterror(ERR_UNMATCHED, c1);
- ungetC(c);
- break;
- }
- }
- else if (cmap(c, _META | _QF | _QB | _ESC)) {
- if (c == '\\') {
- c = getC(0);
- if (c == '\n') {
- if (onelflg == 1)
- onelflg = 2;
- break;
- }
- if (c != HIST)
- *wp++ = '\\', --i;
- c |= QUOTE;
- }
- else if (cmap(c, _QF | _QB)) { /* '"` */
- c1 = c;
- dolflg = c == '"' ? DOALL : DOEXCL;
- }
- else if (c != '#' || !intty) {
- ungetC(c);
- break;
- }
- }
- if (--i > 0) {
- *wp++ = c;
- c = getC(dolflg);
- }
- else {
- seterror(ERR_WTOOLONG);
- wp = &wbuf[1];
- break;
- }
- }
-ret:
- *wp = 0;
- return (Strsave(wbuf));
-}
-
-static int
-getC1(flag)
- int flag;
-{
- Char c;
-
- while (1) {
- if ((c = peekc) != '\0') {
- peekc = 0;
- return (c);
- }
- if (lap) {
- if ((c = *lap++) == 0)
- lap = 0;
- else {
- if (cmap(c, _META | _QF | _QB))
- c |= QUOTE;
- return (c);
- }
- }
- if ((c = peekd) != '\0') {
- peekd = 0;
- return (c);
- }
- if (exclp) {
- if ((c = *exclp++) != '\0')
- return (c);
- if (exclnxt && --exclc >= 0) {
- exclnxt = exclnxt->next;
- setexclp(exclnxt->word);
- return (' ');
- }
- exclp = 0;
- exclnxt = 0;
- }
- if (exclnxt) {
- exclnxt = exclnxt->next;
- if (--exclc < 0)
- exclnxt = 0;
- else
- setexclp(exclnxt->word);
- continue;
- }
- c = readc(0);
- if (c == '$' && (flag & DODOL)) {
- getdol();
- continue;
- }
- if (c == HIST && (flag & DOEXCL)) {
- getexcl(0);
- continue;
- }
- break;
- }
- return (c);
-}
-
-static void
-getdol()
-{
- Char *np, *ep;
- Char name[4 * MAXVARLEN + 1];
- int c;
- int sc;
- bool special = 0, toolong;
-
- np = name, *np++ = '$';
- c = sc = getC(DOEXCL);
- if (any("\t \n", c)) {
- ungetD(c);
- ungetC('$' | QUOTE);
- return;
- }
- if (c == '{')
- *np++ = c, c = getC(DOEXCL);
- if (c == '#' || c == '?')
- special++, *np++ = c, c = getC(DOEXCL);
- *np++ = c;
- switch (c) {
-
- case '<':
- case '$':
- case '!':
- if (special)
- seterror(ERR_SPDOLLT);
- *np = 0;
- addla(name);
- return;
-
- case '\n':
- ungetD(c);
- np--;
- seterror(ERR_NEWLINE);
- *np = 0;
- addla(name);
- return;
-
- case '*':
- if (special)
- seterror(ERR_SPSTAR);
- *np = 0;
- addla(name);
- return;
-
- default:
- toolong = 0;
- if (Isdigit(c)) {
-#ifdef notdef
- /* let $?0 pass for now */
- if (special) {
- seterror(ERR_DIGIT);
- *np = 0;
- addla(name);
- return;
- }
-#endif
- /* we know that np < &name[4] */
- ep = &np[MAXVARLEN];
- while ((c = getC(DOEXCL)) != '\0'){
- if (!Isdigit(c))
- break;
- if (np < ep)
- *np++ = c;
- else
- toolong = 1;
- }
- }
- else if (letter(c)) {
- /* we know that np < &name[4] */
- ep = &np[MAXVARLEN];
- toolong = 0;
- while ((c = getC(DOEXCL)) != '\0') {
- /* Bugfix for ${v123x} from Chris Torek, DAS DEC-90. */
- if (!letter(c) && !Isdigit(c))
- break;
- if (np < ep)
- *np++ = c;
- else
- toolong = 1;
- }
- }
- else {
- *np = 0;
- seterror(ERR_VARILL);
- addla(name);
- return;
- }
- if (toolong) {
- seterror(ERR_VARTOOLONG);
- *np = 0;
- addla(name);
- return;
- }
- break;
- }
- if (c == '[') {
- *np++ = c;
- /*
- * Name up to here is a max of MAXVARLEN + 8.
- */
- ep = &np[2 * MAXVARLEN + 8];
- do {
- /*
- * Michael Greim: Allow $ expansion to take place in selector
- * expressions. (limits the number of characters returned)
- */
- c = getC(DOEXCL | DODOL);
- if (c == '\n') {
- ungetD(c);
- np--;
- seterror(ERR_NLINDEX);
- *np = 0;
- addla(name);
- return;
- }
- if (np < ep)
- *np++ = c;
- } while (c != ']');
- *np = '\0';
- if (np >= ep) {
- seterror(ERR_SELOVFL);
- addla(name);
- return;
- }
- c = getC(DOEXCL);
- }
- /*
- * Name up to here is a max of 2 * MAXVARLEN + 8.
- */
- if (c == ':') {
- /*
- * if the :g modifier is followed by a newline, then error right away!
- * -strike
- */
-
- int gmodflag = 0, amodflag = 0;
-
- do {
- *np++ = c, c = getC(DOEXCL);
- if (c == 'g' || c == 'a') {
- if (c == 'g')
- gmodflag++;
- else
- amodflag++;
- *np++ = c; c = getC(DOEXCL);
- }
- if ((c == 'g' && !gmodflag) || (c == 'a' && !amodflag)) {
- if (c == 'g')
- gmodflag++;
- else
- amodflag++;
- *np++ = c; c = getC(DOEXCL);
- }
- *np++ = c;
- /* scan s// [eichin:19910926.0512EST] */
- if (c == 's') {
- int delimcnt = 2;
- int delim = getC(0);
- *np++ = delim;
-
- if (!delim || letter(delim)
- || Isdigit(delim) || any(" \t\n", delim)) {
- seterror(ERR_BADSUBST);
- break;
- }
- while ((c = getC(0)) != (-1)) {
- *np++ = c;
- if(c == delim) delimcnt--;
- if(!delimcnt) break;
- }
- if(delimcnt) {
- seterror(ERR_BADSUBST);
- break;
- }
- c = 's';
- }
- if (!any("htrqxes", c)) {
- if ((amodflag || gmodflag) && c == '\n')
- stderror(ERR_VARSYN); /* strike */
- seterror(ERR_VARMOD, c);
- *np = 0;
- addla(name);
- return;
- }
- }
- while ((c = getC(DOEXCL)) == ':');
- ungetD(c);
- }
- else
- ungetD(c);
- if (sc == '{') {
- c = getC(DOEXCL);
- if (c != '}') {
- ungetD(c);
- seterror(ERR_MISSING, '}');
- *np = 0;
- addla(name);
- return;
- }
- *np++ = c;
- }
- *np = 0;
- addla(name);
- return;
-}
-
-void
-addla(cp)
- Char *cp;
-{
- Char buf[BUFSIZ];
-
- if (Strlen(cp) + (lap ? Strlen(lap) : 0) >=
- (sizeof(labuf) - 4) / sizeof(Char)) {
- seterror(ERR_EXPOVFL);
- return;
- }
- if (lap)
- (void) Strcpy(buf, lap);
- (void) Strcpy(labuf, cp);
- if (lap)
- (void) Strcat(labuf, buf);
- lap = labuf;
-}
-
-static Char lhsb[32];
-static Char slhs[32];
-static Char rhsb[64];
-static int quesarg;
-
-static void
-getexcl(sc)
- int sc;
-{
- struct wordent *hp, *ip;
- int left, right, dol;
- int c;
-
- if (sc == 0) {
- sc = getC(0);
- if (sc != '{') {
- ungetC(sc);
- sc = 0;
- }
- }
- quesarg = -1;
- lastev = eventno;
- hp = gethent(sc);
- if (hp == 0)
- return;
- hadhist = 1;
- dol = 0;
- if (hp == alhistp)
- for (ip = hp->next->next; ip != alhistt; ip = ip->next)
- dol++;
- else
- for (ip = hp->next->next; ip != hp->prev; ip = ip->next)
- dol++;
- left = 0, right = dol;
- if (sc == HISTSUB) {
- ungetC('s'), unreadc(HISTSUB), c = ':';
- goto subst;
- }
- c = getC(0);
- if (!any(":^$*-%", c))
- goto subst;
- left = right = -1;
- if (c == ':') {
- c = getC(0);
- unreadc(c);
- if (letter(c) || c == '&') {
- c = ':';
- left = 0, right = dol;
- goto subst;
- }
- }
- else
- ungetC(c);
- if (!getsel(&left, &right, dol))
- return;
- c = getC(0);
- if (c == '*')
- ungetC(c), c = '-';
- if (c == '-') {
- if (!getsel(&left, &right, dol))
- return;
- c = getC(0);
- }
-subst:
- exclc = right - left + 1;
- while (--left >= 0)
- hp = hp->next;
- if (sc == HISTSUB || c == ':') {
- do {
- hp = getsub(hp);
- c = getC(0);
- } while (c == ':');
- }
- unreadc(c);
- if (sc == '{') {
- c = getC(0);
- if (c != '}')
- seterror(ERR_BADBANG);
- }
- exclnxt = hp;
-}
-
-static struct wordent *
-getsub(en)
- struct wordent *en;
-{
- Char *cp;
- int delim;
- int c;
- int sc;
- bool global;
- Char orhsb[sizeof(rhsb) / sizeof(Char)];
-
- do {
- exclnxt = 0;
- global = 0;
- sc = c = getC(0);
- if (c == 'g' || c == 'a') {
- global |= (c == 'g') ? 1 : 2;
- sc = c = getC(0);
- }
- if (((c =='g') && !(global & 1)) || ((c == 'a') && !(global & 2))) {
- global |= (c == 'g') ? 1 : 2;
- sc = c = getC(0);
- }
-
- switch (c) {
- case 'p':
- justpr++;
- return (en);
-
- case 'x':
- case 'q':
- global |= 1;
-
- /* fall into ... */
-
- case 'h':
- case 'r':
- case 't':
- case 'e':
- break;
-
- case '&':
- if (slhs[0] == 0) {
- seterror(ERR_NOSUBST);
- return (en);
- }
- (void) Strcpy(lhsb, slhs);
- break;
-
-#ifdef notdef
- case '~':
- if (lhsb[0] == 0)
- goto badlhs;
- break;
-#endif
-
- case 's':
- delim = getC(0);
- if (letter(delim) || Isdigit(delim) || any(" \t\n", delim)) {
- unreadc(delim);
- lhsb[0] = 0;
- seterror(ERR_BADSUBST);
- return (en);
- }
- cp = lhsb;
- for (;;) {
- c = getC(0);
- if (c == '\n') {
- unreadc(c);
- break;
- }
- if (c == delim)
- break;
- if (cp > &lhsb[sizeof(lhsb) / sizeof(Char) - 2]) {
- lhsb[0] = 0;
- seterror(ERR_BADSUBST);
- return (en);
- }
- if (c == '\\') {
- c = getC(0);
- if (c != delim && c != '\\')
- *cp++ = '\\';
- }
- *cp++ = c;
- }
- if (cp != lhsb)
- *cp++ = 0;
- else if (lhsb[0] == 0) {
- seterror(ERR_LHS);
- return (en);
- }
- cp = rhsb;
- (void) Strcpy(orhsb, cp);
- for (;;) {
- c = getC(0);
- if (c == '\n') {
- unreadc(c);
- break;
- }
- if (c == delim)
- break;
-#ifdef notdef
- if (c == '~') {
- if (&cp[Strlen(orhsb)] > &rhsb[sizeof(rhsb) /
- sizeof(Char) - 2])
- goto toorhs;
- (void) Strcpy(cp, orhsb);
- cp = Strend(cp);
- continue;
- }
-#endif
- if (cp > &rhsb[sizeof(rhsb) / sizeof(Char) - 2]) {
- seterror(ERR_RHSLONG);
- return (en);
- }
- if (c == '\\') {
- c = getC(0);
- if (c != delim /* && c != '~' */ )
- *cp++ = '\\';
- }
- *cp++ = c;
- }
- *cp++ = 0;
- break;
-
- default:
- if (c == '\n')
- unreadc(c);
- seterror(ERR_BADBANGMOD, c);
- return (en);
- }
- (void) Strcpy(slhs, lhsb);
- if (exclc)
- en = dosub(sc, en, global);
- }
- while ((c = getC(0)) == ':');
- unreadc(c);
- return (en);
-}
-
-static struct wordent *
-dosub(sc, en, global)
- int sc;
- struct wordent *en;
- bool global;
-{
- struct wordent lexi;
- bool didsub = 0, didone = 0;
- struct wordent *hp = &lexi;
- struct wordent *wdp;
- int i = exclc;
-
- wdp = hp;
- while (--i >= 0) {
- struct wordent *new =
- (struct wordent *) xcalloc(1, sizeof *wdp);
-
- new->word = 0;
- new->prev = wdp;
- new->next = hp;
- wdp->next = new;
- wdp = new;
- en = en->next;
- if (en->word) {
- Char *tword, *otword;
-
- if ((global & 1) || didsub == 0) {
- tword = subword(en->word, sc, &didone);
- if (didone)
- didsub = 1;
- if (global & 2) {
- while (didone && tword != STRNULL) {
- otword = tword;
- tword = subword(otword, sc, &didone);
- if (Strcmp(tword, otword) == 0) {
- xfree((ptr_t) otword);
- break;
- }
- else
- xfree((ptr_t) otword);
- }
- }
- }
- else
- tword = Strsave(en->word);
- wdp->word = tword;
- }
- }
- if (didsub == 0)
- seterror(ERR_MODFAIL);
- hp->prev = wdp;
- return (&enthist(-1000, &lexi, 0)->Hlex);
-}
-
-static Char *
-subword(cp, type, adid)
- Char *cp;
- int type;
- bool *adid;
-{
- Char wbuf[BUFSIZ];
- Char *wp, *mp, *np;
- int i;
-
- *adid = 0;
- switch (type) {
-
- case 'r':
- case 'e':
- case 'h':
- case 't':
- case 'q':
- case 'x':
- wp = domod(cp, type);
- if (wp == 0)
- return (Strsave(cp));
- *adid = 1;
- return (wp);
-
- default:
- wp = wbuf;
- i = BUFSIZ - 4;
- for (mp = cp; *mp; mp++)
- if (matchs(mp, lhsb)) {
- for (np = cp; np < mp;)
- *wp++ = *np++, --i;
- for (np = rhsb; *np; np++)
- switch (*np) {
-
- case '\\':
- if (np[1] == '&')
- np++;
- /* fall into ... */
-
- default:
- if (--i < 0) {
- seterror(ERR_SUBOVFL);
- return (STRNULL);
- }
- *wp++ = *np;
- continue;
-
- case '&':
- i -= Strlen(lhsb);
- if (i < 0) {
- seterror(ERR_SUBOVFL);
- return (STRNULL);
- }
- *wp = 0;
- (void) Strcat(wp, lhsb);
- wp = Strend(wp);
- continue;
- }
- mp += Strlen(lhsb);
- i -= Strlen(mp);
- if (i < 0) {
- seterror(ERR_SUBOVFL);
- return (STRNULL);
- }
- *wp = 0;
- (void) Strcat(wp, mp);
- *adid = 1;
- return (Strsave(wbuf));
- }
- return (Strsave(cp));
- }
-}
-
-Char *
-domod(cp, type)
- Char *cp;
- int type;
-{
- Char *wp, *xp;
- int c;
-
- switch (type) {
-
- case 'x':
- case 'q':
- wp = Strsave(cp);
- for (xp = wp; (c = *xp) != '\0'; xp++)
- if ((c != ' ' && c != '\t') || type == 'q')
- *xp |= QUOTE;
- return (wp);
-
- case 'h':
- case 't':
- if (!any(short2str(cp), '/'))
- return (type == 't' ? Strsave(cp) : 0);
- wp = Strend(cp);
- while (*--wp != '/')
- continue;
- if (type == 'h')
- xp = Strsave(cp), xp[wp - cp] = 0;
- else
- xp = Strsave(wp + 1);
- return (xp);
-
- case 'e':
- case 'r':
- wp = Strend(cp);
- for (wp--; wp >= cp && *wp != '/'; wp--)
- if (*wp == '.') {
- if (type == 'e')
- xp = Strsave(wp + 1);
- else
- xp = Strsave(cp), xp[wp - cp] = 0;
- return (xp);
- }
- return (Strsave(type == 'e' ? STRNULL : cp));
- default:
- break;
- }
- return (0);
-}
-
-static int
-matchs(str, pat)
- Char *str, *pat;
-{
- while (*str && *pat && *str == *pat)
- str++, pat++;
- return (*pat == 0);
-}
-
-static int
-getsel(al, ar, dol)
- int *al, *ar;
- int dol;
-{
- int c = getC(0);
- int i;
- bool first = *al < 0;
-
- switch (c) {
-
- case '%':
- if (quesarg == -1) {
- seterror(ERR_BADBANGARG);
- return (0);
- }
- if (*al < 0)
- *al = quesarg;
- *ar = quesarg;
- break;
-
- case '-':
- if (*al < 0) {
- *al = 0;
- *ar = dol - 1;
- unreadc(c);
- }
- return (1);
-
- case '^':
- if (*al < 0)
- *al = 1;
- *ar = 1;
- break;
-
- case '$':
- if (*al < 0)
- *al = dol;
- *ar = dol;
- break;
-
- case '*':
- if (*al < 0)
- *al = 1;
- *ar = dol;
- if (*ar < *al) {
- *ar = 0;
- *al = 1;
- return (1);
- }
- break;
-
- default:
- if (Isdigit(c)) {
- i = 0;
- while (Isdigit(c)) {
- i = i * 10 + c - '0';
- c = getC(0);
- }
- if (i < 0)
- i = dol + 1;
- if (*al < 0)
- *al = i;
- *ar = i;
- }
- else if (*al < 0)
- *al = 0, *ar = dol;
- else
- *ar = dol - 1;
- unreadc(c);
- break;
- }
- if (first) {
- c = getC(0);
- unreadc(c);
- if (any("-$*", c))
- return (1);
- }
- if (*al > *ar || *ar > dol) {
- seterror(ERR_BADBANGARG);
- return (0);
- }
- return (1);
-
-}
-
-static struct wordent *
-gethent(sc)
- int sc;
-{
- struct Hist *hp;
- Char *np;
- int c;
- int event;
- bool back = 0;
-
- c = sc == HISTSUB ? HIST : getC(0);
- if (c == HIST) {
- if (alhistp)
- return (alhistp);
- event = eventno;
- }
- else
- switch (c) {
-
- case ':':
- case '^':
- case '$':
- case '*':
- case '%':
- ungetC(c);
- if (lastev == eventno && alhistp)
- return (alhistp);
- event = lastev;
- break;
-
- case '#': /* !# is command being typed in (mrh) */
- if (--hleft == 0) {
- seterror(ERR_HISTLOOP);
- return (0);
- }
- else
- return (&paraml);
- /* NOTREACHED */
-
- case '-':
- back = 1;
- c = getC(0);
- /* FALLTHROUGH */
-
- default:
- if (any("(=~", c)) {
- unreadc(c);
- ungetC(HIST);
- return (0);
- }
- np = lhsb;
- event = 0;
- while (!cmap(c, _ESC | _META | _QF | _QB) && !any("^$*-%{}:", c)) {
- if (event != -1 && Isdigit(c))
- event = event * 10 + c - '0';
- else
- event = -1;
- if (np < &lhsb[sizeof(lhsb) / sizeof(Char) - 2])
- *np++ = c;
- c = getC(0);
- }
- unreadc(c);
- if (np == lhsb) {
- ungetC(HIST);
- return (0);
- }
- *np++ = 0;
- if (event != -1) {
- /*
- * History had only digits
- */
- if (back)
- event = eventno + (alhistp == 0) - (event ? event : 0);
- break;
- }
- hp = findev(lhsb, 0);
- if (hp)
- lastev = hp->Hnum;
- return (&hp->Hlex);
-
- case '?':
- np = lhsb;
- for (;;) {
- c = getC(0);
- if (c == '\n') {
- unreadc(c);
- break;
- }
- if (c == '?')
- break;
- if (np < &lhsb[sizeof(lhsb) / sizeof(Char) - 2])
- *np++ = c;
- }
- if (np == lhsb) {
- if (lhsb[0] == 0) {
- seterror(ERR_NOSEARCH);
- return (0);
- }
- }
- else
- *np++ = 0;
- hp = findev(lhsb, 1);
- if (hp)
- lastev = hp->Hnum;
- return (&hp->Hlex);
- }
-
- for (hp = Histlist.Hnext; hp; hp = hp->Hnext)
- if (hp->Hnum == event) {
- hp->Href = eventno;
- lastev = hp->Hnum;
- return (&hp->Hlex);
- }
- np = putn(event);
- seterror(ERR_NOEVENT, vis_str(np));
- return (0);
-}
-
-static struct Hist *
-findev(cp, anyarg)
- Char *cp;
- bool anyarg;
-{
- struct Hist *hp;
-
- for (hp = Histlist.Hnext; hp; hp = hp->Hnext) {
- Char *dp;
- Char *p, *q;
- struct wordent *lp = hp->Hlex.next;
- int argno = 0;
-
- /*
- * The entries added by alias substitution don't have a newline but do
- * have a negative event number. Savehist() trims off these entries,
- * but it happens before alias expansion, too early to delete those
- * from the previous command.
- */
- if (hp->Hnum < 0)
- continue;
- if (lp->word[0] == '\n')
- continue;
- if (!anyarg) {
- p = cp;
- q = lp->word;
- do
- if (!*p)
- return (hp);
- while (*p++ == *q++);
- continue;
- }
- do {
- for (dp = lp->word; *dp; dp++) {
- p = cp;
- q = dp;
- do
- if (!*p) {
- quesarg = argno;
- return (hp);
- }
- while (*p++ == *q++);
- }
- lp = lp->next;
- argno++;
- } while (lp->word[0] != '\n');
- }
- seterror(ERR_NOEVENT, vis_str(cp));
- return (0);
-}
-
-
-static void
-setexclp(cp)
- Char *cp;
-{
- if (cp && cp[0] == '\n')
- return;
- exclp = cp;
-}
-
-void
-unreadc(c)
- int c;
-{
- peekread = c;
-}
-
-int
-readc(wanteof)
- bool wanteof;
-{
- int c;
- static int sincereal;
-
- aret = F_SEEK;
- if ((c = peekread) != '\0') {
- peekread = 0;
- return (c);
- }
-top:
- aret = F_SEEK;
- if (alvecp) {
- aret = A_SEEK;
- if ((c = *alvecp++) != '\0')
- return (c);
- if (alvec && *alvec) {
- alvecp = *alvec++;
- return (' ');
- }
- else {
- aret = F_SEEK;
- alvecp = NULL;
- return('\n');
- }
- }
- if (alvec) {
- if ((alvecp = *alvec) != '\0') {
- alvec++;
- goto top;
- }
- /* Infinite source! */
- return ('\n');
- }
- if (evalp) {
- aret = E_SEEK;
- if ((c = *evalp++) != '\0')
- return (c);
- if (evalvec && *evalvec) {
- evalp = *evalvec++;
- return (' ');
- }
- aret = F_SEEK;
- evalp = 0;
- }
- if (evalvec) {
- if (evalvec == (Char **) 1) {
- doneinp = 1;
- reset();
- }
- if ((evalp = *evalvec) != '\0') {
- evalvec++;
- goto top;
- }
- evalvec = (Char **) 1;
- return ('\n');
- }
- do {
- if (arginp == (Char *) 1 || onelflg == 1) {
- if (wanteof)
- return (-1);
- exitstat();
- }
- if (arginp) {
- if ((c = *arginp++) == 0) {
- arginp = (Char *) 1;
- return ('\n');
- }
- return (c);
- }
-reread:
- c = bgetc();
- if (c < 0) {
- struct termios tty;
- if (wanteof)
- return (-1);
- /* was isatty but raw with ignoreeof yields problems */
- if (tcgetattr(SHIN, &tty) == 0 && (tty.c_lflag & ICANON))
- {
- /* was 'short' for FILEC */
- int ctpgrp;
-
- if (++sincereal > 25)
- goto oops;
- if (tpgrp != -1 &&
- (ctpgrp = tcgetpgrp(FSHTTY)) != -1 &&
- tpgrp != ctpgrp) {
- (void) tcsetpgrp(FSHTTY, tpgrp);
- (void) killpg((pid_t) ctpgrp, SIGHUP);
- (void) fprintf(csherr, "Reset tty pgrp from %d to %d\n",
- ctpgrp, tpgrp);
- goto reread;
- }
- if (adrof(STRignoreeof)) {
- if (loginsh)
- (void) fprintf(csherr,"\nUse \"logout\" to logout.\n");
- else
- (void) fprintf(csherr,"\nUse \"exit\" to leave csh.\n");
- reset();
- }
- if (chkstop == 0)
- panystop(1);
- }
- oops:
- doneinp = 1;
- reset();
- }
- sincereal = 0;
- if (c == '\n' && onelflg)
- onelflg--;
- } while (c == 0);
- return (c);
-}
-
-static int
-bgetc()
-{
- int buf, off, c;
-
-#ifdef FILEC
- int numleft = 0, roomleft;
- Char ttyline[BUFSIZ];
-#endif
- char tbuf[BUFSIZ + 1];
-
- if (cantell) {
- if (fseekp < fbobp || fseekp > feobp) {
- fbobp = feobp = fseekp;
- (void) lseek(SHIN, fseekp, L_SET);
- }
- if (fseekp == feobp) {
- int i;
-
- fbobp = feobp;
- do
- c = read(SHIN, tbuf, BUFSIZ);
- while (c < 0 && errno == EINTR);
- if (c <= 0)
- return (-1);
- for (i = 0; i < c; i++)
- fbuf[0][i] = (unsigned char) tbuf[i];
- feobp += c;
- }
- c = fbuf[0][fseekp - fbobp];
- fseekp++;
- return (c);
- }
-
-again:
- buf = (int) fseekp / BUFSIZ;
- if (buf >= fblocks) {
- Char **nfbuf =
- (Char **) xcalloc((size_t) (fblocks + 2),
- sizeof(Char **));
-
- if (fbuf) {
- (void) blkcpy(nfbuf, fbuf);
- xfree((ptr_t) fbuf);
- }
- fbuf = nfbuf;
- fbuf[fblocks] = (Char *) xcalloc(BUFSIZ, sizeof(Char));
- fblocks++;
- if (!intty)
- goto again;
- }
- if (fseekp >= feobp) {
- buf = (int) feobp / BUFSIZ;
- off = (int) feobp % BUFSIZ;
- roomleft = BUFSIZ - off;
-
-#ifdef FILEC
- roomleft = BUFSIZ - off;
- for (;;) {
- if (filec && intty) {
- c = numleft ? numleft : tenex(ttyline, BUFSIZ);
- if (c > roomleft) {
- /* start with fresh buffer */
- feobp = fseekp = fblocks * BUFSIZ;
- numleft = c;
- goto again;
- }
- if (c > 0)
- memmove(fbuf[buf] + off, ttyline, c * sizeof(Char));
- numleft = 0;
- }
- else {
-#endif
- c = read(SHIN, tbuf, roomleft);
- if (c > 0) {
- int i;
- Char *ptr = fbuf[buf] + off;
-
- for (i = 0; i < c; i++)
- ptr[i] = (unsigned char) tbuf[i];
- }
-#ifdef FILEC
- }
-#endif
- if (c >= 0)
- break;
- if (errno == EWOULDBLOCK) {
- int off = 0;
-
- (void) ioctl(SHIN, FIONBIO, (ioctl_t) & off);
- }
- else if (errno != EINTR)
- break;
- }
- if (c <= 0)
- return (-1);
- feobp += c;
-#ifndef FILEC
- goto again;
-#else
- if (filec && !intty)
- goto again;
-#endif
- }
- c = fbuf[buf][(int) fseekp % BUFSIZ];
- fseekp++;
- return (c);
-}
-
-static void
-bfree()
-{
- int sb, i;
-
- if (cantell)
- return;
- if (whyles)
- return;
- sb = (int) (fseekp - 1) / BUFSIZ;
- if (sb > 0) {
- for (i = 0; i < sb; i++)
- xfree((ptr_t) fbuf[i]);
- (void) blkcpy(fbuf, &fbuf[sb]);
- fseekp -= BUFSIZ * sb;
- feobp -= BUFSIZ * sb;
- fblocks -= sb;
- }
-}
-
-void
-bseek(l)
- struct Ain *l;
-{
- switch (aret = l->type) {
- case E_SEEK:
- evalvec = l->a_seek;
- evalp = l->c_seek;
- return;
- case A_SEEK:
- alvec = l->a_seek;
- alvecp = l->c_seek;
- return;
- case F_SEEK:
- fseekp = l->f_seek;
- return;
- default:
- (void) fprintf(csherr, "Bad seek type %d\n", aret);
- abort();
- }
-}
-
-void
-btell(l)
- struct Ain *l;
-{
- switch (l->type = aret) {
- case E_SEEK:
- l->a_seek = evalvec;
- l->c_seek = evalp;
- return;
- case A_SEEK:
- l->a_seek = alvec;
- l->c_seek = alvecp;
- return;
- case F_SEEK:
- l->f_seek = fseekp;
- l->a_seek = NULL;
- return;
- default:
- (void) fprintf(csherr, "Bad seek type %d\n", aret);
- abort();
- }
-}
-
-void
-btoeof()
-{
- (void) lseek(SHIN, (off_t) 0, L_XTND);
- aret = F_SEEK;
- fseekp = feobp;
- alvec = NULL;
- alvecp = NULL;
- evalvec = NULL;
- evalp = NULL;
- wfree();
- bfree();
-}
-
-void
-settell()
-{
- cantell = 0;
- if (arginp || onelflg || intty)
- return;
- if (lseek(SHIN, (off_t) 0, L_INCR) < 0 || errno == ESPIPE)
- return;
- fbuf = (Char **) xcalloc(2, sizeof(Char **));
- fblocks = 1;
- fbuf[0] = (Char *) xcalloc(BUFSIZ, sizeof(Char));
- fseekp = fbobp = feobp = lseek(SHIN, (off_t) 0, L_INCR);
- cantell = 1;
-}
diff --git a/bin/csh/misc.c b/bin/csh/misc.c
deleted file mode 100644
index 56491d1..0000000
--- a/bin/csh/misc.c
+++ /dev/null
@@ -1,424 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)misc.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/param.h>
-#include <unistd.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "extern.h"
-
-static int renum __P((int, int));
-
-int
-any(s, c)
- char *s;
- int c;
-{
- if (!s)
- return (0); /* Check for nil pointer */
- while (*s)
- if (*s++ == c)
- return (1);
- return (0);
-}
-
-void
-setzero(cp, i)
- char *cp;
- int i;
-{
- if (i != 0)
- do
- *cp++ = 0;
- while (--i);
-}
-
-char *
-strsave(s)
- char *s;
-{
- char *n;
- char *p;
-
- if (s == NULL)
- s = "";
- for (p = s; *p++;)
- continue;
- n = p = (char *) xmalloc((size_t) ((p - s) * sizeof(char)));
- while ((*p++ = *s++) != '\0')
- continue;
- return (n);
-}
-
-Char **
-blkend(up)
- Char **up;
-{
-
- while (*up)
- up++;
- return (up);
-}
-
-
-void
-blkpr(fp, av)
- FILE *fp;
- Char **av;
-{
-
- for (; *av; av++) {
- (void) fprintf(fp, "%s", vis_str(*av));
- if (av[1])
- (void) fprintf(fp, " ");
- }
-}
-
-int
-blklen(av)
- Char **av;
-{
- int i = 0;
-
- while (*av++)
- i++;
- return (i);
-}
-
-Char **
-blkcpy(oav, bv)
- Char **oav;
- Char **bv;
-{
- Char **av = oav;
-
- while ((*av++ = *bv++) != NULL)
- continue;
- return (oav);
-}
-
-Char **
-blkcat(up, vp)
- Char **up, **vp;
-{
-
- (void) blkcpy(blkend(up), vp);
- return (up);
-}
-
-void
-blkfree(av0)
- Char **av0;
-{
- Char **av = av0;
-
- if (!av0)
- return;
- for (; *av; av++)
- xfree((ptr_t) * av);
- xfree((ptr_t) av0);
-}
-
-Char **
-saveblk(v)
- Char **v;
-{
- Char **newv =
- (Char **) xcalloc((size_t) (blklen(v) + 1), sizeof(Char **));
- Char **onewv = newv;
-
- while (*v)
- *newv++ = Strsave(*v++);
- return (onewv);
-}
-
-#ifdef NOTUSED
-char *
-strstr(s, t)
- char *s, *t;
-{
- do {
- char *ss = s;
- char *tt = t;
-
- do
- if (*tt == '\0')
- return (s);
- while (*ss++ == *tt++);
- } while (*s++ != '\0');
- return (NULL);
-}
-
-#endif /* NOTUSED */
-
-#ifndef SHORT_STRINGS
-char *
-strspl(cp, dp)
- char *cp, *dp;
-{
- char *ep;
- char *p, *q;
-
- if (!cp)
- cp = "";
- if (!dp)
- dp = "";
- for (p = cp; *p++;)
- continue;
- for (q = dp; *q++;)
- continue;
- ep = (char *) xmalloc((size_t) (((p - cp) + (q - dp) - 1) * sizeof(char)));
- for (p = ep, q = cp; *p++ = *q++;)
- continue;
- for (p--, q = dp; *p++ = *q++;)
- continue;
- return (ep);
-}
-
-#endif
-
-Char **
-blkspl(up, vp)
- Char **up, **vp;
-{
- Char **wp =
- (Char **) xcalloc((size_t) (blklen(up) + blklen(vp) + 1),
- sizeof(Char **));
-
- (void) blkcpy(wp, up);
- return (blkcat(wp, vp));
-}
-
-Char
-lastchr(cp)
- Char *cp;
-{
-
- if (!cp)
- return (0);
- if (!*cp)
- return (0);
- while (cp[1])
- cp++;
- return (*cp);
-}
-
-/*
- * This routine is called after an error to close up
- * any units which may have been left open accidentally.
- */
-void
-closem()
-{
- int f, flimit;
-
- for (f = 0, flimit = getdtablesize(); f < flimit; f++)
- if (f != SHIN && f != SHOUT && f != SHERR && f != OLDSTD &&
- f != FSHTTY)
- (void) close(f);
-}
-
-void
-donefds()
-{
- (void) close(0);
- (void) close(1);
- (void) close(2);
-
- didfds = 0;
-}
-
-/*
- * Move descriptor i to j.
- * If j is -1 then we just want to get i to a safe place,
- * i.e. to a unit > 2. This also happens in dcopy.
- */
-int
-dmove(i, j)
- int i, j;
-{
-
- if (i == j || i < 0)
- return (i);
- if (j >= 0) {
- (void) dup2(i, j);
- if (j != i)
- (void) close(i);
- return (j);
- }
- j = dcopy(i, j);
- if (j != i)
- (void) close(i);
- return (j);
-}
-
-int
-dcopy(i, j)
- int i, j;
-{
-
- if (i == j || i < 0 || (j < 0 && i > 2))
- return (i);
- if (j >= 0) {
- (void) dup2(i, j);
- return (j);
- }
- (void) close(j);
- return (renum(i, j));
-}
-
-static int
-renum(i, j)
- int i, j;
-{
- int k = dup(i);
-
- if (k < 0)
- return (-1);
- if (j == -1 && k > 2)
- return (k);
- if (k != j) {
- j = renum(k, j);
- (void) close(k);
- return (j);
- }
- return (k);
-}
-
-/*
- * Left shift a command argument list, discarding
- * the first c arguments. Used in "shift" commands
- * as well as by commands like "repeat".
- */
-void
-lshift(v, c)
- Char **v;
- int c;
-{
- Char **u;
-
- for (u = v; *u && --c >= 0; u++)
- xfree((ptr_t) *u);
- (void) blkcpy(v, u);
-}
-
-int
-number(cp)
- Char *cp;
-{
- if (!cp)
- return(0);
- if (*cp == '-') {
- cp++;
- if (!Isdigit(*cp))
- return (0);
- cp++;
- }
- while (*cp && Isdigit(*cp))
- cp++;
- return (*cp == 0);
-}
-
-Char **
-copyblk(v)
- Char **v;
-{
- Char **nv = (Char **) xcalloc((size_t) (blklen(v) + 1), sizeof(Char **));
-
- return (blkcpy(nv, v));
-}
-
-#ifndef SHORT_STRINGS
-char *
-strend(cp)
- char *cp;
-{
- if (!cp)
- return (cp);
- while (*cp)
- cp++;
- return (cp);
-}
-
-#endif /* SHORT_STRINGS */
-
-Char *
-strip(cp)
- Char *cp;
-{
- Char *dp = cp;
-
- if (!cp)
- return (cp);
- while ((*dp++ &= TRIM) != '\0')
- continue;
- return (cp);
-}
-
-void
-udvar(name)
- Char *name;
-{
-
- setname(vis_str(name));
- stderror(ERR_NAME | ERR_UNDVAR);
-}
-
-int
-prefix(sub, str)
- Char *sub, *str;
-{
-
- for (;;) {
- if (*sub == 0)
- return (1);
- if (*str == 0)
- return (0);
- if (*sub++ != *str++)
- return (0);
- }
-}
diff --git a/bin/csh/parse.c b/bin/csh/parse.c
deleted file mode 100644
index 4cb2fcf..0000000
--- a/bin/csh/parse.c
+++ /dev/null
@@ -1,702 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)parse.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/types.h>
-#include <string.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "extern.h"
-
-static void asyntax __P((struct wordent *, struct wordent *));
-static void asyn0 __P((struct wordent *, struct wordent *));
-static void asyn3 __P((struct wordent *, struct wordent *));
-static struct wordent
- *freenod __P((struct wordent *, struct wordent *));
-static struct command
- *syn0 __P((struct wordent *, struct wordent *, int));
-static struct command
- *syn1 __P((struct wordent *, struct wordent *, int));
-static struct command
- *syn1a __P((struct wordent *, struct wordent *, int));
-static struct command
- *syn1b __P((struct wordent *, struct wordent *, int));
-static struct command
- *syn2 __P((struct wordent *, struct wordent *, int));
-static struct command
- *syn3 __P((struct wordent *, struct wordent *, int));
-
-#define ALEFT 21 /* max of 20 alias expansions */
-#define HLEFT 11 /* max of 10 history expansions */
-/*
- * Perform aliasing on the word list lex
- * Do a (very rudimentary) parse to separate into commands.
- * If word 0 of a command has an alias, do it.
- * Repeat a maximum of 20 times.
- */
-static int aleft;
-extern int hleft;
-void
-alias(lex)
- struct wordent *lex;
-{
- jmp_buf osetexit;
-
- aleft = ALEFT;
- hleft = HLEFT;
- getexit(osetexit);
- (void) setexit();
- if (haderr) {
- resexit(osetexit);
- reset();
- }
- if (--aleft == 0)
- stderror(ERR_ALIASLOOP);
- asyntax(lex->next, lex);
- resexit(osetexit);
-}
-
-static void
-asyntax(p1, p2)
- struct wordent *p1, *p2;
-{
- while (p1 != p2)
- if (any(";&\n", p1->word[0]))
- p1 = p1->next;
- else {
- asyn0(p1, p2);
- return;
- }
-}
-
-static void
-asyn0(p1, p2)
- struct wordent *p1;
- struct wordent *p2;
-{
- struct wordent *p;
- int l = 0;
-
- for (p = p1; p != p2; p = p->next)
- switch (p->word[0]) {
-
- case '(':
- l++;
- continue;
-
- case ')':
- l--;
- if (l < 0)
- stderror(ERR_TOOMANYRP);
- continue;
-
- case '>':
- if (p->next != p2 && eq(p->next->word, STRand))
- p = p->next;
- continue;
-
- case '&':
- case '|':
- case ';':
- case '\n':
- if (l != 0)
- continue;
- asyn3(p1, p);
- asyntax(p->next, p2);
- return;
- }
- if (l == 0)
- asyn3(p1, p2);
-}
-
-static void
-asyn3(p1, p2)
- struct wordent *p1;
- struct wordent *p2;
-{
- struct varent *ap;
- struct wordent alout;
- bool redid;
-
- if (p1 == p2)
- return;
- if (p1->word[0] == '(') {
- for (p2 = p2->prev; p2->word[0] != ')'; p2 = p2->prev)
- if (p2 == p1)
- return;
- if (p2 == p1->next)
- return;
- asyn0(p1->next, p2);
- return;
- }
- ap = adrof1(p1->word, &aliases);
- if (ap == 0)
- return;
- alhistp = p1->prev;
- alhistt = p2;
- alvec = ap->vec;
- redid = lex(&alout);
- alhistp = alhistt = 0;
- alvec = 0;
- if (seterr) {
- freelex(&alout);
- stderror(ERR_OLD);
- }
- if (p1->word[0] && eq(p1->word, alout.next->word)) {
- Char *cp = alout.next->word;
-
- alout.next->word = Strspl(STRQNULL, cp);
- xfree((ptr_t) cp);
- }
- p1 = freenod(p1, redid ? p2 : p1->next);
- if (alout.next != &alout) {
- p1->next->prev = alout.prev->prev;
- alout.prev->prev->next = p1->next;
- alout.next->prev = p1;
- p1->next = alout.next;
- xfree((ptr_t) alout.prev->word);
- xfree((ptr_t) (alout.prev));
- }
- reset(); /* throw! */
-}
-
-static struct wordent *
-freenod(p1, p2)
- struct wordent *p1, *p2;
-{
- struct wordent *retp = p1->prev;
-
- while (p1 != p2) {
- xfree((ptr_t) p1->word);
- p1 = p1->next;
- xfree((ptr_t) (p1->prev));
- }
- retp->next = p2;
- p2->prev = retp;
- return (retp);
-}
-
-#define PHERE 1
-#define PIN 2
-#define POUT 4
-#define PERR 8
-
-/*
- * syntax
- * empty
- * syn0
- */
-struct command *
-syntax(p1, p2, flags)
- struct wordent *p1, *p2;
- int flags;
-{
-
- while (p1 != p2)
- if (any(";&\n", p1->word[0]))
- p1 = p1->next;
- else
- return (syn0(p1, p2, flags));
- return (0);
-}
-
-/*
- * syn0
- * syn1
- * syn1 & syntax
- */
-static struct command *
-syn0(p1, p2, flags)
- struct wordent *p1, *p2;
- int flags;
-{
- struct wordent *p;
- struct command *t, *t1;
- int l;
-
- l = 0;
- for (p = p1; p != p2; p = p->next)
- switch (p->word[0]) {
-
- case '(':
- l++;
- continue;
-
- case ')':
- l--;
- if (l < 0)
- seterror(ERR_TOOMANYRP);
- continue;
-
- case '|':
- if (p->word[1] == '|')
- continue;
- /* fall into ... */
-
- case '>':
- if (p->next != p2 && eq(p->next->word, STRand))
- p = p->next;
- continue;
-
- case '&':
- if (l != 0)
- break;
- if (p->word[1] == '&')
- continue;
- t1 = syn1(p1, p, flags);
- if (t1->t_dtyp == NODE_LIST ||
- t1->t_dtyp == NODE_AND ||
- t1->t_dtyp == NODE_OR) {
- t = (struct command *) xcalloc(1, sizeof(*t));
- t->t_dtyp = NODE_PAREN;
- t->t_dflg = F_AMPERSAND | F_NOINTERRUPT;
- t->t_dspr = t1;
- t1 = t;
- }
- else
- t1->t_dflg |= F_AMPERSAND | F_NOINTERRUPT;
- t = (struct command *) xcalloc(1, sizeof(*t));
- t->t_dtyp = NODE_LIST;
- t->t_dflg = 0;
- t->t_dcar = t1;
- t->t_dcdr = syntax(p, p2, flags);
- return (t);
- }
- if (l == 0)
- return (syn1(p1, p2, flags));
- seterror(ERR_TOOMANYLP);
- return (0);
-}
-
-/*
- * syn1
- * syn1a
- * syn1a ; syntax
- */
-static struct command *
-syn1(p1, p2, flags)
- struct wordent *p1, *p2;
- int flags;
-{
- struct wordent *p;
- struct command *t;
- int l;
-
- l = 0;
- for (p = p1; p != p2; p = p->next)
- switch (p->word[0]) {
-
- case '(':
- l++;
- continue;
-
- case ')':
- l--;
- continue;
-
- case ';':
- case '\n':
- if (l != 0)
- break;
- t = (struct command *) xcalloc(1, sizeof(*t));
- t->t_dtyp = NODE_LIST;
- t->t_dcar = syn1a(p1, p, flags);
- t->t_dcdr = syntax(p->next, p2, flags);
- if (t->t_dcdr == 0)
- t->t_dcdr = t->t_dcar, t->t_dcar = 0;
- return (t);
- }
- return (syn1a(p1, p2, flags));
-}
-
-/*
- * syn1a
- * syn1b
- * syn1b || syn1a
- */
-static struct command *
-syn1a(p1, p2, flags)
- struct wordent *p1, *p2;
- int flags;
-{
- struct wordent *p;
- struct command *t;
- int l = 0;
-
- for (p = p1; p != p2; p = p->next)
- switch (p->word[0]) {
-
- case '(':
- l++;
- continue;
-
- case ')':
- l--;
- continue;
-
- case '|':
- if (p->word[1] != '|')
- continue;
- if (l == 0) {
- t = (struct command *) xcalloc(1, sizeof(*t));
- t->t_dtyp = NODE_OR;
- t->t_dcar = syn1b(p1, p, flags);
- t->t_dcdr = syn1a(p->next, p2, flags);
- t->t_dflg = 0;
- return (t);
- }
- continue;
- }
- return (syn1b(p1, p2, flags));
-}
-
-/*
- * syn1b
- * syn2
- * syn2 && syn1b
- */
-static struct command *
-syn1b(p1, p2, flags)
- struct wordent *p1, *p2;
- int flags;
-{
- struct wordent *p;
- struct command *t;
- int l = 0;
-
- for (p = p1; p != p2; p = p->next)
- switch (p->word[0]) {
-
- case '(':
- l++;
- continue;
-
- case ')':
- l--;
- continue;
-
- case '&':
- if (p->word[1] == '&' && l == 0) {
- t = (struct command *) xcalloc(1, sizeof(*t));
- t->t_dtyp = NODE_AND;
- t->t_dcar = syn2(p1, p, flags);
- t->t_dcdr = syn1b(p->next, p2, flags);
- t->t_dflg = 0;
- return (t);
- }
- continue;
- }
- return (syn2(p1, p2, flags));
-}
-
-/*
- * syn2
- * syn3
- * syn3 | syn2
- * syn3 |& syn2
- */
-static struct command *
-syn2(p1, p2, flags)
- struct wordent *p1, *p2;
- int flags;
-{
- struct wordent *p, *pn;
- struct command *t;
- int l = 0;
- int f;
-
- for (p = p1; p != p2; p = p->next)
- switch (p->word[0]) {
-
- case '(':
- l++;
- continue;
-
- case ')':
- l--;
- continue;
-
- case '|':
- if (l != 0)
- continue;
- t = (struct command *) xcalloc(1, sizeof(*t));
- f = flags | POUT;
- pn = p->next;
- if (pn != p2 && pn->word[0] == '&') {
- f |= PERR;
- t->t_dflg |= F_STDERR;
- }
- t->t_dtyp = NODE_PIPE;
- t->t_dcar = syn3(p1, p, f);
- if (pn != p2 && pn->word[0] == '&')
- p = pn;
- t->t_dcdr = syn2(p->next, p2, flags | PIN);
- return (t);
- }
- return (syn3(p1, p2, flags));
-}
-
-static char RELPAR[] = {'<', '>', '(', ')', '\0'};
-
-/*
- * syn3
- * ( syn0 ) [ < in ] [ > out ]
- * word word* [ < in ] [ > out ]
- * KEYWORD ( word* ) word* [ < in ] [ > out ]
- *
- * KEYWORD = (@ exit foreach if set switch test while)
- */
-static struct command *
-syn3(p1, p2, flags)
- struct wordent *p1, *p2;
- int flags;
-{
- struct wordent *p;
- struct wordent *lp, *rp;
- struct command *t;
- int l;
- Char **av;
- int n, c;
- bool specp = 0;
-
- if (p1 != p2) {
- p = p1;
-again:
- switch (srchx(p->word)) {
-
- case T_ELSE:
- p = p->next;
- if (p != p2)
- goto again;
- break;
-
- case T_EXIT:
- case T_FOREACH:
- case T_IF:
- case T_LET:
- case T_SET:
- case T_SWITCH:
- case T_WHILE:
- specp = 1;
- break;
- }
- }
- n = 0;
- l = 0;
- for (p = p1; p != p2; p = p->next)
- switch (p->word[0]) {
-
- case '(':
- if (specp)
- n++;
- l++;
- continue;
-
- case ')':
- if (specp)
- n++;
- l--;
- continue;
-
- case '>':
- case '<':
- if (l != 0) {
- if (specp)
- n++;
- continue;
- }
- if (p->next == p2)
- continue;
- if (any(RELPAR, p->next->word[0]))
- continue;
- n--;
- continue;
-
- default:
- if (!specp && l != 0)
- continue;
- n++;
- continue;
- }
- if (n < 0)
- n = 0;
- t = (struct command *) xcalloc(1, sizeof(*t));
- av = (Char **) xcalloc((size_t) (n + 1), sizeof(Char **));
- t->t_dcom = av;
- n = 0;
- if (p2->word[0] == ')')
- t->t_dflg = F_NOFORK;
- lp = 0;
- rp = 0;
- l = 0;
- for (p = p1; p != p2; p = p->next) {
- c = p->word[0];
- switch (c) {
-
- case '(':
- if (l == 0) {
- if (lp != 0 && !specp)
- seterror(ERR_BADPLP);
- lp = p->next;
- }
- l++;
- goto savep;
-
- case ')':
- l--;
- if (l == 0)
- rp = p;
- goto savep;
-
- case '>':
- if (l != 0)
- goto savep;
- if (p->word[1] == '>')
- t->t_dflg |= F_APPEND;
- if (p->next != p2 && eq(p->next->word, STRand)) {
- t->t_dflg |= F_STDERR, p = p->next;
- if (flags & (POUT | PERR)) {
- seterror(ERR_OUTRED);
- continue;
- }
- }
- if (p->next != p2 && eq(p->next->word, STRbang))
- t->t_dflg |= F_OVERWRITE, p = p->next;
- if (p->next == p2) {
- seterror(ERR_MISRED);
- continue;
- }
- p = p->next;
- if (any(RELPAR, p->word[0])) {
- seterror(ERR_MISRED);
- continue;
- }
- if ((flags & POUT) && ((flags & PERR) == 0 || t->t_drit))
- seterror(ERR_OUTRED);
- else
- t->t_drit = Strsave(p->word);
- continue;
-
- case '<':
- if (l != 0)
- goto savep;
- if (p->word[1] == '<')
- t->t_dflg |= F_READ;
- if (p->next == p2) {
- seterror(ERR_MISRED);
- continue;
- }
- p = p->next;
- if (any(RELPAR, p->word[0])) {
- seterror(ERR_MISRED);
- continue;
- }
- if ((flags & PHERE) && (t->t_dflg & F_READ))
- seterror(ERR_REDPAR);
- else if ((flags & PIN) || t->t_dlef)
- seterror(ERR_INRED);
- else
- t->t_dlef = Strsave(p->word);
- continue;
-
- savep:
- if (!specp)
- continue;
- default:
- if (l != 0 && !specp)
- continue;
- if (seterr == 0)
- av[n] = Strsave(p->word);
- n++;
- continue;
- }
- }
- if (lp != 0 && !specp) {
- if (n != 0)
- seterror(ERR_BADPLPS);
- t->t_dtyp = NODE_PAREN;
- t->t_dspr = syn0(lp, rp, PHERE);
- }
- else {
- if (n == 0)
- seterror(ERR_NULLCOM);
- t->t_dtyp = NODE_COMMAND;
- }
- return (t);
-}
-
-void
-freesyn(t)
- struct command *t;
-{
- Char **v;
-
- if (t == 0)
- return;
- switch (t->t_dtyp) {
-
- case NODE_COMMAND:
- for (v = t->t_dcom; *v; v++)
- xfree((ptr_t) * v);
- xfree((ptr_t) (t->t_dcom));
- xfree((ptr_t) t->t_dlef);
- xfree((ptr_t) t->t_drit);
- break;
- case NODE_PAREN:
- freesyn(t->t_dspr);
- xfree((ptr_t) t->t_dlef);
- xfree((ptr_t) t->t_drit);
- break;
-
- case NODE_AND:
- case NODE_OR:
- case NODE_PIPE:
- case NODE_LIST:
- freesyn(t->t_dcar), freesyn(t->t_dcdr);
- break;
- }
- xfree((ptr_t) t);
-}
diff --git a/bin/csh/pathnames.h b/bin/csh/pathnames.h
deleted file mode 100644
index bcdb4ca..0000000
--- a/bin/csh/pathnames.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*-
- * Copyright (c) 1988, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)pathnames.h 8.1 (Berkeley) 5/31/93
- * $FreeBSD$
- */
-
-#define _PATH_BIN "/bin"
-#define _PATH_DOTCSHRC "/etc/csh.cshrc"
-#define _PATH_DOTLOGIN "/etc/csh.login"
-#define _PATH_DOTLOGOUT "/etc/csh.logout"
-#define _PATH_LOGIN "/usr/bin/login"
-#define _PATH_USRBIN "/usr/bin"
diff --git a/bin/csh/proc.c b/bin/csh/proc.c
deleted file mode 100644
index a6631ec..0000000
--- a/bin/csh/proc.c
+++ /dev/null
@@ -1,1362 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)proc.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/wait.h>
-#include <errno.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "dir.h"
-#include "proc.h"
-#include "extern.h"
-
-#define BIGINDEX 9 /* largest desirable job index */
-
-static struct rusage zru;
-
-static void pflushall __P((void));
-static void pflush __P((struct process *));
-static void pclrcurr __P((struct process *));
-static void padd __P((struct command *));
-static int pprint __P((struct process *, int));
-static void ptprint __P((struct process *));
-static void pads __P((Char *));
-static void pkill __P((Char **v, int));
-static struct process
- *pgetcurr __P((struct process *));
-static void okpcntl __P((void));
-
-/*
- * pchild - called at interrupt level by the SIGCHLD signal
- * indicating that at least one child has terminated or stopped
- * thus at least one wait system call will definitely return a
- * child's status. Top level routines (like pwait) must be sure
- * to mask interrupts when playing with the proclist data structures!
- */
-/* ARGUSED */
-void
-pchild(notused)
- int notused;
-{
- struct process *pp;
- struct process *fp;
- int pid;
- extern int insource;
- int save_errno = errno;
- union wait w;
- int jobflags;
- struct rusage ru;
-
-loop:
- errno = 0; /* reset, just in case */
- pid = wait3(&w.w_status,
- (setintr && (intty || insource) ? WNOHANG | WUNTRACED : WNOHANG), &ru);
-
- if (pid <= 0) {
- if (errno == EINTR) {
- errno = 0;
- goto loop;
- }
- pnoprocesses = pid == -1;
- errno = save_errno;
- return;
- }
- for (pp = proclist.p_next; pp != NULL; pp = pp->p_next)
- if (pid == pp->p_pid)
- goto found;
- goto loop;
-found:
- if (pid == atoi(short2str(value(STRchild))))
- unsetv(STRchild);
- pp->p_flags &= ~(PRUNNING | PSTOPPED | PREPORTED);
- if (WIFSTOPPED(w)) {
- pp->p_flags |= PSTOPPED;
- pp->p_reason = w.w_stopsig;
- }
- else {
- if (pp->p_flags & (PTIME | PPTIME) || adrof(STRtime))
- (void) gettimeofday(&pp->p_etime, NULL);
-
- pp->p_rusage = ru;
- if (WIFSIGNALED(w)) {
- if (w.w_termsig == SIGINT)
- pp->p_flags |= PINTERRUPTED;
- else
- pp->p_flags |= PSIGNALED;
- if (w.w_coredump)
- pp->p_flags |= PDUMPED;
- pp->p_reason = w.w_termsig;
- }
- else {
- pp->p_reason = w.w_retcode;
- if (pp->p_reason != 0)
- pp->p_flags |= PAEXITED;
- else
- pp->p_flags |= PNEXITED;
- }
- }
- jobflags = 0;
- fp = pp;
- do {
- if ((fp->p_flags & (PPTIME | PRUNNING | PSTOPPED)) == 0 &&
- !child && adrof(STRtime) &&
- fp->p_rusage.ru_utime.tv_sec + fp->p_rusage.ru_stime.tv_sec
- >= atoi(short2str(value(STRtime))))
- fp->p_flags |= PTIME;
- jobflags |= fp->p_flags;
- } while ((fp = fp->p_friends) != pp);
- pp->p_flags &= ~PFOREGND;
- if (pp == pp->p_friends && (pp->p_flags & PPTIME)) {
- pp->p_flags &= ~PPTIME;
- pp->p_flags |= PTIME;
- }
- if ((jobflags & (PRUNNING | PREPORTED)) == 0) {
- fp = pp;
- do {
- if (fp->p_flags & PSTOPPED)
- fp->p_flags |= PREPORTED;
- } while ((fp = fp->p_friends) != pp);
- while (fp->p_pid != fp->p_jobid)
- fp = fp->p_friends;
- if (jobflags & PSTOPPED) {
- if (pcurrent && pcurrent != fp)
- pprevious = pcurrent;
- pcurrent = fp;
- }
- else
- pclrcurr(fp);
- if (jobflags & PFOREGND) {
- if (jobflags & (PSIGNALED | PSTOPPED | PPTIME) ||
-#ifdef IIASA
- jobflags & PAEXITED ||
-#endif
- !eq(dcwd->di_name, fp->p_cwd->di_name)) {
- ; /* print in pjwait */
- }
- /* PWP: print a newline after ^C */
- else if (jobflags & PINTERRUPTED) {
- (void) vis_fputc('\r' | QUOTE, cshout);
- (void) fputc('\n', cshout);
- }
- }
- else {
- if (jobflags & PNOTIFY || adrof(STRnotify)) {
- (void) vis_fputc('\r' | QUOTE, cshout);
- (void) fputc('\n', cshout);
- (void) pprint(pp, NUMBER | NAME | REASON);
- if ((jobflags & PSTOPPED) == 0)
- pflush(pp);
- }
- else {
- fp->p_flags |= PNEEDNOTE;
- neednote++;
- }
- }
- }
- goto loop;
-}
-
-void
-pnote()
-{
- struct process *pp;
- int flags;
- int omask;
-
- neednote = 0;
- for (pp = proclist.p_next; pp != NULL; pp = pp->p_next) {
- if (pp->p_flags & PNEEDNOTE) {
- omask = sigblock(sigmask(SIGCHLD));
- pp->p_flags &= ~PNEEDNOTE;
- flags = pprint(pp, NUMBER | NAME | REASON);
- if ((flags & (PRUNNING | PSTOPPED)) == 0)
- pflush(pp);
- (void) sigsetmask(omask);
- }
- }
-}
-
-/*
- * pwait - wait for current job to terminate, maintaining integrity
- * of current and previous job indicators.
- */
-void
-pwait()
-{
- struct process *fp, *pp;
- int omask;
-
- /*
- * Here's where dead procs get flushed.
- */
- omask = sigblock(sigmask(SIGCHLD));
- for (pp = (fp = &proclist)->p_next; pp != NULL; pp = (fp = pp)->p_next)
- if (pp->p_pid == 0) {
- fp->p_next = pp->p_next;
- xfree((ptr_t) pp->p_command);
- if (pp->p_cwd && --pp->p_cwd->di_count == 0)
- if (pp->p_cwd->di_next == 0)
- dfree(pp->p_cwd);
- xfree((ptr_t) pp);
- pp = fp;
- }
- (void) sigsetmask(omask);
- pjwait(pcurrjob);
-}
-
-
-/*
- * pjwait - wait for a job to finish or become stopped
- * It is assumed to be in the foreground state (PFOREGND)
- */
-void
-pjwait(pp)
- struct process *pp;
-{
- struct process *fp;
- int jobflags, reason;
- int omask;
-
- while (pp->p_pid != pp->p_jobid)
- pp = pp->p_friends;
- fp = pp;
-
- do {
- if ((fp->p_flags & (PFOREGND | PRUNNING)) == PRUNNING)
- (void) fprintf(csherr, "BUG: waiting for background job!\n");
- } while ((fp = fp->p_friends) != pp);
- /*
- * Now keep pausing as long as we are not interrupted (SIGINT), and the
- * target process, or any of its friends, are running
- */
- fp = pp;
- omask = sigblock(sigmask(SIGCHLD));
- for (;;) {
- (void) sigblock(sigmask(SIGCHLD));
- jobflags = 0;
- do
- jobflags |= fp->p_flags;
- while ((fp = (fp->p_friends)) != pp);
- if ((jobflags & PRUNNING) == 0)
- break;
-#ifdef JOBDEBUG
- (void) fprintf(csherr, "starting to sigpause for SIGCHLD on %d\n",
- fp->p_pid);
-#endif /* JOBDEBUG */
- (void) sigpause(omask & ~sigmask(SIGCHLD));
- }
- (void) sigsetmask(omask);
- if (tpgrp > 0) /* get tty back */
- (void) tcsetpgrp(FSHTTY, tpgrp);
- if ((jobflags & (PSIGNALED | PSTOPPED | PTIME)) ||
- !eq(dcwd->di_name, fp->p_cwd->di_name)) {
- if (jobflags & PSTOPPED) {
- (void) fputc('\n', cshout);
- if (adrof(STRlistjobs)) {
- Char *jobcommand[3];
-
- jobcommand[0] = STRjobs;
- if (eq(value(STRlistjobs), STRlong))
- jobcommand[1] = STRml;
- else
- jobcommand[1] = NULL;
- jobcommand[2] = NULL;
-
- dojobs(jobcommand, NULL);
- (void) pprint(pp, SHELLDIR);
- }
- else
- (void) pprint(pp, AREASON | SHELLDIR);
- }
- else
- (void) pprint(pp, AREASON | SHELLDIR);
- }
- if ((jobflags & (PINTERRUPTED | PSTOPPED)) && setintr &&
- (!gointr || !eq(gointr, STRminus))) {
- if ((jobflags & PSTOPPED) == 0)
- pflush(pp);
- pintr1(0);
- /* NOTREACHED */
- }
- reason = 0;
- fp = pp;
- do {
- if (fp->p_reason)
- reason = fp->p_flags & (PSIGNALED | PINTERRUPTED) ?
- fp->p_reason | META : fp->p_reason;
- } while ((fp = fp->p_friends) != pp);
- if ((reason != 0) && (adrof(STRprintexitvalue))) {
- (void) fprintf(cshout, "Exit %d\n", reason);
- }
- set(STRstatus, putn(reason));
- if (reason && exiterr)
- exitstat();
- pflush(pp);
-}
-
-/*
- * dowait - wait for all processes to finish
- */
-void
-/*ARGSUSED*/
-dowait(v, t)
- Char **v;
- struct command *t;
-{
- struct process *pp;
- int omask;
-
- pjobs++;
- omask = sigblock(sigmask(SIGCHLD));
-loop:
- for (pp = proclist.p_next; pp; pp = pp->p_next)
- if (pp->p_pid && /* pp->p_pid == pp->p_jobid && */
- pp->p_flags & PRUNNING) {
- (void) sigpause(0);
- goto loop;
- }
- (void) sigsetmask(omask);
- pjobs = 0;
-}
-
-/*
- * pflushall - flush all jobs from list (e.g. at fork())
- */
-static void
-pflushall()
-{
- struct process *pp;
-
- for (pp = proclist.p_next; pp != NULL; pp = pp->p_next)
- if (pp->p_pid)
- pflush(pp);
-}
-
-/*
- * pflush - flag all process structures in the same job as the
- * the argument process for deletion. The actual free of the
- * space is not done here since pflush is called at interrupt level.
- */
-static void
-pflush(pp)
- struct process *pp;
-{
- struct process *np;
- int idx;
-
- if (pp->p_pid == 0) {
- (void) fprintf(csherr, "BUG: process flushed twice");
- return;
- }
- while (pp->p_pid != pp->p_jobid)
- pp = pp->p_friends;
- pclrcurr(pp);
- if (pp == pcurrjob)
- pcurrjob = 0;
- idx = pp->p_index;
- np = pp;
- do {
- np->p_index = np->p_pid = 0;
- np->p_flags &= ~PNEEDNOTE;
- } while ((np = np->p_friends) != pp);
- if (idx == pmaxindex) {
- for (np = proclist.p_next, idx = 0; np; np = np->p_next)
- if (np->p_index > idx)
- idx = np->p_index;
- pmaxindex = idx;
- }
-}
-
-/*
- * pclrcurr - make sure the given job is not the current or previous job;
- * pp MUST be the job leader
- */
-static void
-pclrcurr(pp)
- struct process *pp;
-{
-
- if (pp == pcurrent)
- if (pprevious != NULL) {
- pcurrent = pprevious;
- pprevious = pgetcurr(pp);
- }
- else {
- pcurrent = pgetcurr(pp);
- pprevious = pgetcurr(pp);
- }
- else if (pp == pprevious)
- pprevious = pgetcurr(pp);
-}
-
-/* +4 here is 1 for '\0', 1 ea for << >& >> */
-static Char command[PMAXLEN + 4];
-static int cmdlen;
-static Char *cmdp;
-
-/*
- * palloc - allocate a process structure and fill it up.
- * an important assumption is made that the process is running.
- */
-void
-palloc(pid, t)
- int pid;
- struct command *t;
-{
- struct process *pp;
- int i;
-
- pp = (struct process *) xcalloc(1, (size_t) sizeof(struct process));
- pp->p_pid = pid;
- pp->p_flags = t->t_dflg & F_AMPERSAND ? PRUNNING : PRUNNING | PFOREGND;
- if (t->t_dflg & F_TIME)
- pp->p_flags |= PPTIME;
- cmdp = command;
- cmdlen = 0;
- padd(t);
- *cmdp++ = 0;
- if (t->t_dflg & F_PIPEOUT) {
- pp->p_flags |= PPOU;
- if (t->t_dflg & F_STDERR)
- pp->p_flags |= PERR;
- }
- pp->p_command = Strsave(command);
- if (pcurrjob) {
- struct process *fp;
-
- /* careful here with interrupt level */
- pp->p_cwd = 0;
- pp->p_index = pcurrjob->p_index;
- pp->p_friends = pcurrjob;
- pp->p_jobid = pcurrjob->p_pid;
- for (fp = pcurrjob; fp->p_friends != pcurrjob; fp = fp->p_friends)
- continue;
- fp->p_friends = pp;
- }
- else {
- pcurrjob = pp;
- pp->p_jobid = pid;
- pp->p_friends = pp;
- pp->p_cwd = dcwd;
- dcwd->di_count++;
- if (pmaxindex < BIGINDEX)
- pp->p_index = ++pmaxindex;
- else {
- struct process *np;
-
- for (i = 1;; i++) {
- for (np = proclist.p_next; np; np = np->p_next)
- if (np->p_index == i)
- goto tryagain;
- pp->p_index = i;
- if (i > pmaxindex)
- pmaxindex = i;
- break;
- tryagain:;
- }
- }
- if (pcurrent == NULL)
- pcurrent = pp;
- else if (pprevious == NULL)
- pprevious = pp;
- }
- pp->p_next = proclist.p_next;
- proclist.p_next = pp;
- (void) gettimeofday(&pp->p_btime, NULL);
-}
-
-static void
-padd(t)
- struct command *t;
-{
- Char **argp;
-
- if (t == 0)
- return;
- switch (t->t_dtyp) {
-
- case NODE_PAREN:
- pads(STRLparensp);
- padd(t->t_dspr);
- pads(STRspRparen);
- break;
-
- case NODE_COMMAND:
- for (argp = t->t_dcom; *argp; argp++) {
- pads(*argp);
- if (argp[1])
- pads(STRspace);
- }
- break;
-
- case NODE_OR:
- case NODE_AND:
- case NODE_PIPE:
- case NODE_LIST:
- padd(t->t_dcar);
- switch (t->t_dtyp) {
- case NODE_OR:
- pads(STRspor2sp);
- break;
- case NODE_AND:
- pads(STRspand2sp);
- break;
- case NODE_PIPE:
- pads(STRsporsp);
- break;
- case NODE_LIST:
- pads(STRsemisp);
- break;
- }
- padd(t->t_dcdr);
- return;
- }
- if ((t->t_dflg & F_PIPEIN) == 0 && t->t_dlef) {
- pads((t->t_dflg & F_READ) ? STRspLarrow2sp : STRspLarrowsp);
- pads(t->t_dlef);
- }
- if ((t->t_dflg & F_PIPEOUT) == 0 && t->t_drit) {
- pads((t->t_dflg & F_APPEND) ? STRspRarrow2 : STRspRarrow);
- if (t->t_dflg & F_STDERR)
- pads(STRand);
- pads(STRspace);
- pads(t->t_drit);
- }
-}
-
-static void
-pads(cp)
- Char *cp;
-{
- int i;
-
- /*
- * Avoid the Quoted Space alias hack! Reported by:
- * sam@john-bigboote.ICS.UCI.EDU (Sam Horrocks)
- */
- if (cp[0] == STRQNULL[0])
- cp++;
-
- i = Strlen(cp);
-
- if (cmdlen >= PMAXLEN)
- return;
- if (cmdlen + i >= PMAXLEN) {
- (void) Strcpy(cmdp, STRsp3dots);
- cmdlen = PMAXLEN;
- cmdp += 4;
- return;
- }
- (void) Strcpy(cmdp, cp);
- cmdp += i;
- cmdlen += i;
-}
-
-/*
- * psavejob - temporarily save the current job on a one level stack
- * so another job can be created. Used for { } in exp6
- * and `` in globbing.
- */
-void
-psavejob()
-{
-
- pholdjob = pcurrjob;
- pcurrjob = NULL;
-}
-
-/*
- * prestjob - opposite of psavejob. This may be missed if we are interrupted
- * somewhere, but pendjob cleans up anyway.
- */
-void
-prestjob()
-{
-
- pcurrjob = pholdjob;
- pholdjob = NULL;
-}
-
-/*
- * pendjob - indicate that a job (set of commands) has been completed
- * or is about to begin.
- */
-void
-pendjob()
-{
- struct process *pp, *tp;
-
- if (pcurrjob && (pcurrjob->p_flags & (PFOREGND | PSTOPPED)) == 0) {
- pp = pcurrjob;
- while (pp->p_pid != pp->p_jobid)
- pp = pp->p_friends;
- (void) fprintf(cshout, "[%d]", pp->p_index);
- tp = pp;
- do {
- (void) fprintf(cshout, " %d", pp->p_pid);
- pp = pp->p_friends;
- } while (pp != tp);
- (void) fputc('\n', cshout);
- }
- pholdjob = pcurrjob = 0;
-}
-
-/*
- * pprint - print a job
- */
-static int
-pprint(pp, flag)
- struct process *pp;
- bool flag;
-{
- int status, reason;
- struct process *tp;
- int jobflags, pstatus;
- bool hadnl = 1; /* did we just have a newline */
- char *format;
-
- (void) fpurge(cshout);
-
- while (pp->p_pid != pp->p_jobid)
- pp = pp->p_friends;
- if (pp == pp->p_friends && (pp->p_flags & PPTIME)) {
- pp->p_flags &= ~PPTIME;
- pp->p_flags |= PTIME;
- }
- tp = pp;
- status = reason = -1;
- jobflags = 0;
- do {
- jobflags |= pp->p_flags;
- pstatus = pp->p_flags & PALLSTATES;
- if (tp != pp && !hadnl && !(flag & FANCY) &&
- ((pstatus == status && pp->p_reason == reason) ||
- !(flag & REASON))) {
- (void) fputc(' ', cshout);
- hadnl = 0;
- }
- else {
- if (tp != pp && !hadnl) {
- (void) fputc('\n', cshout);
- hadnl = 1;
- }
- if (flag & NUMBER) {
- if (pp == tp)
- (void) fprintf(cshout, "[%d]%s %c ", pp->p_index,
- pp->p_index < 10 ? " " : "",
- pp == pcurrent ? '+' :
- (pp == pprevious ? '-' : ' '));
- else
- (void) fprintf(cshout, " ");
- hadnl = 0;
- }
- if (flag & FANCY) {
- (void) fprintf(cshout, "%5d ", pp->p_pid);
- hadnl = 0;
- }
- if (flag & (REASON | AREASON)) {
- if (flag & NAME)
- format = "%-23s";
- else
- format = "%s";
- if (pstatus == status)
- if (pp->p_reason == reason) {
- (void) fprintf(cshout, format, "");
- hadnl = 0;
- goto prcomd;
- }
- else
- reason = pp->p_reason;
- else {
- status = pstatus;
- reason = pp->p_reason;
- }
- switch (status) {
-
- case PRUNNING:
- (void) fprintf(cshout, format, "Running ");
- hadnl = 0;
- break;
-
- case PINTERRUPTED:
- case PSTOPPED:
- case PSIGNALED:
- /*
- * tell what happened to the background job
- * From: Michael Schroeder
- * <mlschroe@immd4.informatik.uni-erlangen.de>
- */
- if ((flag & REASON)
- || ((flag & AREASON)
- && reason != SIGINT
- && (reason != SIGPIPE
- || (pp->p_flags & PPOU) == 0))) {
- (void) fprintf(cshout, format,
- sys_siglist[(unsigned char)
- pp->p_reason]);
- hadnl = 0;
- }
- break;
-
- case PNEXITED:
- case PAEXITED:
- if (flag & REASON) {
- if (pp->p_reason)
- (void) fprintf(cshout, "Exit %-18d", pp->p_reason);
- else
- (void) fprintf(cshout, format, "Done");
- hadnl = 0;
- }
- break;
-
- default:
- (void) fprintf(csherr, "BUG: status=%-9o", status);
- }
- }
- }
-prcomd:
- if (flag & NAME) {
- (void) fprintf(cshout, "%s", vis_str(pp->p_command));
- if (pp->p_flags & PPOU)
- (void) fprintf(cshout, " |");
- if (pp->p_flags & PERR)
- (void) fputc('&', cshout);
- hadnl = 0;
- }
- if (flag & (REASON | AREASON) && pp->p_flags & PDUMPED) {
- (void) fprintf(cshout, " (core dumped)");
- hadnl = 0;
- }
- if (tp == pp->p_friends) {
- if (flag & AMPERSAND) {
- (void) fprintf(cshout, " &");
- hadnl = 0;
- }
- if (flag & JOBDIR &&
- !eq(tp->p_cwd->di_name, dcwd->di_name)) {
- (void) fprintf(cshout, " (wd: ");
- dtildepr(value(STRhome), tp->p_cwd->di_name);
- (void) fputc(')', cshout);
- hadnl = 0;
- }
- }
- if (pp->p_flags & PPTIME && !(status & (PSTOPPED | PRUNNING))) {
- if (!hadnl)
- (void) fprintf(cshout, "\n\t");
- prusage(&zru, &pp->p_rusage, &pp->p_etime,
- &pp->p_btime);
- hadnl = 1;
- }
- if (tp == pp->p_friends) {
- if (!hadnl) {
- (void) fputc('\n', cshout);
- hadnl = 1;
- }
- if (flag & SHELLDIR && !eq(tp->p_cwd->di_name, dcwd->di_name)) {
- (void) fprintf(cshout, "(wd now: ");
- dtildepr(value(STRhome), dcwd->di_name);
- (void) fprintf(cshout, ")\n");
- hadnl = 1;
- }
- }
- } while ((pp = pp->p_friends) != tp);
- if (jobflags & PTIME && (jobflags & (PSTOPPED | PRUNNING)) == 0) {
- if (jobflags & NUMBER)
- (void) fprintf(cshout, " ");
- ptprint(tp);
- hadnl = 1;
- }
- (void) fflush(cshout);
- return (jobflags);
-}
-
-static void
-ptprint(tp)
- struct process *tp;
-{
- struct timeval tetime, diff;
- static struct timeval ztime;
- struct rusage ru;
- static struct rusage zru;
- struct process *pp = tp;
-
- ru = zru;
- tetime = ztime;
- do {
- ruadd(&ru, &pp->p_rusage);
- tvsub(&diff, &pp->p_etime, &pp->p_btime);
- if (timercmp(&diff, &tetime, >))
- tetime = diff;
- } while ((pp = pp->p_friends) != tp);
- prusage(&zru, &ru, &tetime, &ztime);
-}
-
-/*
- * dojobs - print all jobs
- */
-void
-/*ARGSUSED*/
-dojobs(v, t)
- Char **v;
- struct command *t;
-{
- struct process *pp;
- int flag = NUMBER | NAME | REASON;
- int i;
-
- if (chkstop)
- chkstop = 2;
- if (*++v) {
- if (v[1] || !eq(*v, STRml))
- stderror(ERR_JOBS);
- flag |= FANCY | JOBDIR;
- }
- for (i = 1; i <= pmaxindex; i++)
- for (pp = proclist.p_next; pp; pp = pp->p_next)
- if (pp->p_index == i && pp->p_pid == pp->p_jobid) {
- pp->p_flags &= ~PNEEDNOTE;
- if (!(pprint(pp, flag) & (PRUNNING | PSTOPPED)))
- pflush(pp);
- break;
- }
-}
-
-/*
- * dofg - builtin - put the job into the foreground
- */
-void
-/*ARGSUSED*/
-dofg(v, t)
- Char **v;
- struct command *t;
-{
- struct process *pp;
-
- okpcntl();
- ++v;
- do {
- pp = pfind(*v);
- pstart(pp, 1);
- pjwait(pp);
- } while (*v && *++v);
-}
-
-/*
- * %... - builtin - put the job into the foreground
- */
-void
-/*ARGSUSED*/
-dofg1(v, t)
- Char **v;
- struct command *t;
-{
- struct process *pp;
-
- okpcntl();
- pp = pfind(v[0]);
- pstart(pp, 1);
- pjwait(pp);
-}
-
-/*
- * dobg - builtin - put the job into the background
- */
-void
-/*ARGSUSED*/
-dobg(v, t)
- Char **v;
- struct command *t;
-{
- struct process *pp;
-
- okpcntl();
- ++v;
- do {
- pp = pfind(*v);
- pstart(pp, 0);
- } while (*v && *++v);
-}
-
-/*
- * %... & - builtin - put the job into the background
- */
-void
-/*ARGSUSED*/
-dobg1(v, t)
- Char **v;
- struct command *t;
-{
- struct process *pp;
-
- pp = pfind(v[0]);
- pstart(pp, 0);
-}
-
-/*
- * dostop - builtin - stop the job
- */
-void
-/*ARGSUSED*/
-dostop(v, t)
- Char **v;
- struct command *t;
-{
- pkill(++v, SIGSTOP);
-}
-
-/*
- * dokill - builtin - superset of kill (1)
- */
-void
-/*ARGSUSED*/
-dokill(v, t)
- Char **v;
- struct command *t;
-{
- int signum = SIGTERM;
- char *name;
-
- v++;
- if (v[0] && v[0][0] == '-') {
- if (v[0][1] == 'l') {
- for (signum = 1; signum < NSIG; signum++) {
- (void) fprintf(cshout, "%s ", sys_signame[signum]);
- if (signum == NSIG / 2)
- (void) fputc('\n', cshout);
- }
- (void) fputc('\n', cshout);
- return;
- }
- if (Isdigit(v[0][1])) {
- signum = atoi(short2str(v[0] + 1));
- if (signum < 0 || signum > NSIG)
- stderror(ERR_NAME | ERR_BADSIG);
- }
- else {
- name = short2str(&v[0][1]);
- if (!strncasecmp(name, "sig", 3))
- name += 3;
-
- for (signum = 1; signum < NSIG; signum++)
- if (!strcasecmp(sys_signame[signum], name))
- break;
-
- if (signum == NSIG) {
- setname(vis_str(&v[0][1]));
- stderror(ERR_NAME | ERR_UNKSIG);
- }
- }
- v++;
- }
- pkill(v, signum);
-}
-
-static void
-pkill(v, signum)
- Char **v;
- int signum;
-{
- struct process *pp, *np;
- int jobflags = 0;
- int pid, err1 = 0;
- int omask;
- Char *cp;
-
- omask = sigmask(SIGCHLD);
- if (setintr)
- omask |= sigmask(SIGINT);
- omask = sigblock(omask) & ~omask;
- gflag = 0, tglob(v);
- if (gflag) {
- v = globall(v);
- if (v == 0)
- stderror(ERR_NAME | ERR_NOMATCH);
- }
- else {
- v = gargv = saveblk(v);
- trim(v);
- }
-
- while (v && (cp = *v)) {
- if (*cp == '%') {
- np = pp = pfind(cp);
- do
- jobflags |= np->p_flags;
- while ((np = np->p_friends) != pp);
- switch (signum) {
-
- case SIGSTOP:
- case SIGTSTP:
- case SIGTTIN:
- case SIGTTOU:
- if ((jobflags & PRUNNING) == 0) {
- (void) fprintf(csherr, "%s: Already suspended\n",
- vis_str(cp));
- err1++;
- goto cont;
- }
- break;
- /*
- * suspend a process, kill -CONT %, then type jobs; the shell
- * says it is suspended, but it is running; thanks jaap..
- */
- case SIGCONT:
- pstart(pp, 0);
- goto cont;
- }
- if (killpg((pid_t) pp->p_jobid, signum) < 0) {
- (void) fprintf(csherr, "%s: %s\n", vis_str(cp),
- strerror(errno));
- err1++;
- }
- if (signum == SIGTERM || signum == SIGHUP)
- (void) killpg((pid_t) pp->p_jobid, SIGCONT);
- }
- else if (!(Isdigit(*cp) || *cp == '-'))
- stderror(ERR_NAME | ERR_JOBARGS);
- else {
- pid = atoi(short2str(cp));
- if (kill((pid_t) pid, signum) < 0) {
- (void) fprintf(csherr, "%d: %s\n", pid, strerror(errno));
- err1++;
- goto cont;
- }
- if (signum == SIGTERM || signum == SIGHUP)
- (void) kill((pid_t) pid, SIGCONT);
- }
-cont:
- v++;
- }
- if (gargv)
- blkfree(gargv), gargv = 0;
- (void) sigsetmask(omask);
- if (err1)
- stderror(ERR_SILENT);
-}
-
-/*
- * pstart - start the job in foreground/background
- */
-void
-pstart(pp, foregnd)
- struct process *pp;
- int foregnd;
-{
- struct process *np;
- int omask;
- long jobflags = 0;
-
- omask = sigblock(sigmask(SIGCHLD));
- np = pp;
- do {
- jobflags |= np->p_flags;
- if (np->p_flags & (PRUNNING | PSTOPPED)) {
- np->p_flags |= PRUNNING;
- np->p_flags &= ~PSTOPPED;
- if (foregnd)
- np->p_flags |= PFOREGND;
- else
- np->p_flags &= ~PFOREGND;
- }
- } while ((np = np->p_friends) != pp);
- if (!foregnd)
- pclrcurr(pp);
- (void) pprint(pp, foregnd ? NAME | JOBDIR : NUMBER | NAME | AMPERSAND);
- if (foregnd)
- (void) tcsetpgrp(FSHTTY, pp->p_jobid);
- if (jobflags & PSTOPPED)
- (void) killpg((pid_t) pp->p_jobid, SIGCONT);
- (void) sigsetmask(omask);
-}
-
-void
-panystop(neednl)
- bool neednl;
-{
- struct process *pp;
-
- chkstop = 2;
- for (pp = proclist.p_next; pp; pp = pp->p_next)
- if (pp->p_flags & PSTOPPED)
- stderror(ERR_STOPPED, neednl ? "\n" : "");
-}
-
-struct process *
-pfind(cp)
- Char *cp;
-{
- struct process *pp, *np;
-
- if (cp == 0 || cp[1] == 0 || eq(cp, STRcent2) || eq(cp, STRcentplus)) {
- if (pcurrent == NULL)
- stderror(ERR_NAME | ERR_JOBCUR);
- return (pcurrent);
- }
- if (eq(cp, STRcentminus) || eq(cp, STRcenthash)) {
- if (pprevious == NULL)
- stderror(ERR_NAME | ERR_JOBPREV);
- return (pprevious);
- }
- if (Isdigit(cp[1])) {
- int idx = atoi(short2str(cp + 1));
-
- for (pp = proclist.p_next; pp; pp = pp->p_next)
- if (pp->p_index == idx && pp->p_pid == pp->p_jobid)
- return (pp);
- stderror(ERR_NAME | ERR_NOSUCHJOB);
- }
- np = NULL;
- for (pp = proclist.p_next; pp; pp = pp->p_next)
- if (pp->p_pid == pp->p_jobid) {
- if (cp[1] == '?') {
- Char *dp;
-
- for (dp = pp->p_command; *dp; dp++) {
- if (*dp != cp[2])
- continue;
- if (prefix(cp + 2, dp))
- goto match;
- }
- }
- else if (prefix(cp + 1, pp->p_command)) {
- match:
- if (np)
- stderror(ERR_NAME | ERR_AMBIG);
- np = pp;
- }
- }
- if (np)
- return (np);
- stderror(ERR_NAME | (cp[1] == '?' ? ERR_JOBPAT : ERR_NOSUCHJOB));
- /* NOTREACHED */
- return (0);
-}
-
-
-/*
- * pgetcurr - find most recent job that is not pp, preferably stopped
- */
-static struct process *
-pgetcurr(pp)
- struct process *pp;
-{
- struct process *np;
- struct process *xp = NULL;
-
- for (np = proclist.p_next; np; np = np->p_next)
- if (np != pcurrent && np != pp && np->p_pid &&
- np->p_pid == np->p_jobid) {
- if (np->p_flags & PSTOPPED)
- return (np);
- if (xp == NULL)
- xp = np;
- }
- return (xp);
-}
-
-/*
- * donotify - flag the job so as to report termination asynchronously
- */
-void
-/*ARGSUSED*/
-donotify(v, t)
- Char **v;
- struct command *t;
-{
- struct process *pp;
-
- pp = pfind(*++v);
- pp->p_flags |= PNOTIFY;
-}
-
-/*
- * Do the fork and whatever should be done in the child side that
- * should not be done if we are not forking at all (like for simple builtin's)
- * Also do everything that needs any signals fiddled with in the parent side
- *
- * Wanttty tells whether process and/or tty pgrps are to be manipulated:
- * -1: leave tty alone; inherit pgrp from parent
- * 0: already have tty; manipulate process pgrps only
- * 1: want to claim tty; manipulate process and tty pgrps
- * It is usually just the value of tpgrp.
- */
-
-int
-pfork(t, wanttty)
- struct command *t; /* command we are forking for */
- int wanttty;
-{
- int pid;
- bool ignint = 0;
- int pgrp;
- int omask;
-
- /*
- * A child will be uninterruptible only under very special conditions.
- * Remember that the semantics of '&' is implemented by disconnecting the
- * process from the tty so signals do not need to ignored just for '&'.
- * Thus signals are set to default action for children unless: we have had
- * an "onintr -" (then specifically ignored) we are not playing with
- * signals (inherit action)
- */
- if (setintr)
- ignint = (tpgrp == -1 && (t->t_dflg & F_NOINTERRUPT))
- || (gointr && eq(gointr, STRminus));
- /*
- * Check for maximum nesting of 16 processes to avoid Forking loops
- */
- if (child == 16)
- stderror(ERR_NESTING, 16);
- /*
- * Hold SIGCHLD until we have the process installed in our table.
- */
- omask = sigblock(sigmask(SIGCHLD));
- while ((pid = fork()) < 0)
- if (setintr == 0)
- (void) sleep(FORKSLEEP);
- else {
- (void) sigsetmask(omask);
- stderror(ERR_NOPROC);
- }
- if (pid == 0) {
- settimes();
- pgrp = pcurrjob ? pcurrjob->p_jobid : getpid();
- pflushall();
- pcurrjob = NULL;
- child++;
- if (setintr) {
- setintr = 0; /* until I think otherwise */
- /*
- * Children just get blown away on SIGINT, SIGQUIT unless "onintr
- * -" seen.
- */
- (void) signal(SIGINT, ignint ? SIG_IGN : SIG_DFL);
- (void) signal(SIGQUIT, ignint ? SIG_IGN : SIG_DFL);
- if (wanttty >= 0) {
- /* make stoppable */
- (void) signal(SIGTSTP, SIG_DFL);
- (void) signal(SIGTTIN, SIG_DFL);
- (void) signal(SIGTTOU, SIG_DFL);
- }
- (void) signal(SIGTERM, parterm);
- }
- else if (tpgrp == -1 && (t->t_dflg & F_NOINTERRUPT)) {
- (void) signal(SIGINT, SIG_IGN);
- (void) signal(SIGQUIT, SIG_IGN);
- }
- pgetty(wanttty, pgrp);
- /*
- * Nohup and nice apply only to NODE_COMMAND's but it would be nice
- * (?!?) if you could say "nohup (foo;bar)" Then the parser would have
- * to know about nice/nohup/time
- */
- if (t->t_dflg & F_NOHUP)
- (void) signal(SIGHUP, SIG_IGN);
- if (t->t_dflg & F_NICE)
- (void) setpriority(PRIO_PROCESS, 0, t->t_nice);
- }
- else {
- if (wanttty >= 0)
- (void) setpgid(pid, pcurrjob ? pcurrjob->p_jobid : pid);
- palloc(pid, t);
- (void) sigsetmask(omask);
- }
-
- return (pid);
-}
-
-static void
-okpcntl()
-{
- if (tpgrp == -1)
- stderror(ERR_JOBCONTROL);
- if (tpgrp == 0)
- stderror(ERR_JOBCTRLSUB);
-}
-
-/*
- * if we don't have vfork(), things can still go in the wrong order
- * resulting in the famous 'Stopped (tty output)'. But some systems
- * don't permit the setpgid() call, (these are more recent secure
- * systems such as ibm's aix). Then we'd rather print an error message
- * than hang the shell!
- * I am open to suggestions how to fix that.
- */
-void
-pgetty(wanttty, pgrp)
- int wanttty, pgrp;
-{
- int omask = 0;
-
- /*
- * christos: I am blocking the tty signals till I've set things
- * correctly....
- */
- if (wanttty > 0)
- omask = sigblock(sigmask(SIGTSTP)|sigmask(SIGTTIN)|sigmask(SIGTTOU));
- /*
- * From: Michael Schroeder <mlschroe@immd4.informatik.uni-erlangen.de>
- * Don't check for tpgrp >= 0 so even non-interactive shells give
- * background jobs process groups Same for the comparison in the other part
- * of the #ifdef
- */
- if (wanttty >= 0)
- if (setpgid(0, pgrp) == -1) {
- (void) fprintf(csherr, "csh: setpgid error.\n");
- xexit(0);
- }
-
- if (wanttty > 0) {
- (void) tcsetpgrp(FSHTTY, pgrp);
- (void) sigsetmask(omask);
- }
-
- if (tpgrp > 0)
- tpgrp = 0; /* gave tty away */
-}
diff --git a/bin/csh/proc.h b/bin/csh/proc.h
deleted file mode 100644
index 0aa5259..0000000
--- a/bin/csh/proc.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)proc.h 8.1 (Berkeley) 5/31/93
- * $FreeBSD$
- */
-
-/*
- * Structure for each process the shell knows about:
- * allocated and filled by pcreate.
- * flushed by pflush; freeing always happens at top level
- * so the interrupt level has less to worry about.
- * processes are related to "friends" when in a pipeline;
- * p_friends links makes a circular list of such jobs
- */
-struct process {
- struct process *p_next; /* next in global "proclist" */
- struct process *p_friends; /* next in job list (or self) */
- struct directory *p_cwd; /* cwd of the job (only in head) */
- short unsigned p_flags; /* various job status flags */
- char p_reason; /* reason for entering this state */
- int p_index; /* shorthand job index */
- int p_pid;
- int p_jobid; /* pid of job leader */
- /* if a job is stopped/background p_jobid gives its pgrp */
- struct timeval p_btime; /* begin time */
- struct timeval p_etime; /* end time */
- struct rusage p_rusage;
- Char *p_command; /* first PMAXLEN chars of command */
-};
-
-/* flag values for p_flags */
-#define PRUNNING (1<<0) /* running */
-#define PSTOPPED (1<<1) /* stopped */
-#define PNEXITED (1<<2) /* normally exited */
-#define PAEXITED (1<<3) /* abnormally exited */
-#define PSIGNALED (1<<4) /* terminated by a signal != SIGINT */
-
-#define PALLSTATES (PRUNNING|PSTOPPED|PNEXITED|PAEXITED|PSIGNALED|PINTERRUPTED)
-#define PNOTIFY (1<<5) /* notify async when done */
-#define PTIME (1<<6) /* job times should be printed */
-#define PAWAITED (1<<7) /* top level is waiting for it */
-#define PFOREGND (1<<8) /* started in shells pgrp */
-#define PDUMPED (1<<9) /* process dumped core */
-#define PERR (1<<10) /* diagnostic output also piped out */
-#define PPOU (1<<11) /* piped output */
-#define PREPORTED (1<<12) /* status has been reported */
-#define PINTERRUPTED (1<<13) /* job stopped via interrupt signal */
-#define PPTIME (1<<14) /* time individual process */
-#define PNEEDNOTE (1<<15) /* notify as soon as practical */
-
-#define PMAXLEN 80
-
-/* defines for arguments to pprint */
-#define NUMBER 01
-#define NAME 02
-#define REASON 04
-#define AMPERSAND 010
-#define FANCY 020
-#define SHELLDIR 040 /* print shell's dir if not the same */
-#define JOBDIR 0100 /* print job's dir if not the same */
-#define AREASON 0200
-
-struct process proclist; /* list head of all processes */
-bool pnoprocesses; /* pchild found nothing to wait for */
-
-struct process *pholdjob; /* one level stack of current jobs */
-
-struct process *pcurrjob; /* current job */
-struct process *pcurrent; /* current job in table */
-struct process *pprevious; /* previous job in table */
-
-int pmaxindex; /* current maximum job index */
diff --git a/bin/csh/sem.c b/bin/csh/sem.c
deleted file mode 100644
index ee7eb20..0000000
--- a/bin/csh/sem.c
+++ /dev/null
@@ -1,650 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)sem.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/param.h>
-#include <sys/ioctl.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <string.h>
-#include <unistd.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "proc.h"
-#include "extern.h"
-
-static void vffree __P((int));
-static Char *splicepipe __P((struct command *t, Char *));
-static void doio __P((struct command *t, int *, int *));
-static void chkclob __P((char *));
-
-void
-execute(t, wanttty, pipein, pipeout)
- struct command *t;
- int wanttty, *pipein, *pipeout;
-{
- bool forked = 0;
- struct biltins *bifunc;
- int pid = 0;
- int pv[2];
-
- static int csigmask;
-
- static int ocsigmask;
- static int onosigchld = 0;
- static int nosigchld = 0;
-
- UNREGISTER(forked);
- UNREGISTER(bifunc);
- UNREGISTER(wanttty);
-
- if (t == 0)
- return;
-
- if (t->t_dflg & F_AMPERSAND)
- wanttty = 0;
- switch (t->t_dtyp) {
-
- case NODE_COMMAND:
- if ((t->t_dcom[0][0] & (QUOTE | TRIM)) == QUOTE)
- (void) Strcpy(t->t_dcom[0], t->t_dcom[0] + 1);
- if ((t->t_dflg & F_REPEAT) == 0)
- Dfix(t); /* $ " ' \ */
- if (t->t_dcom[0] == 0)
- return;
- /* fall into... */
-
- case NODE_PAREN:
- if (t->t_dflg & F_PIPEOUT)
- mypipe(pipeout);
- /*
- * Must do << early so parent will know where input pointer should be.
- * If noexec then this is all we do.
- */
- if (t->t_dflg & F_READ) {
- (void) close(0);
- heredoc(t->t_dlef);
- if (noexec)
- (void) close(0);
- }
-
- set(STRstatus, Strsave(STR0));
-
- /*
- * This mess is the necessary kludge to handle the prefix builtins:
- * nice, nohup, time. These commands can also be used by themselves,
- * and this is not handled here. This will also work when loops are
- * parsed.
- */
- while (t->t_dtyp == NODE_COMMAND)
- if (eq(t->t_dcom[0], STRnice))
- if (t->t_dcom[1])
- if (strchr("+-", t->t_dcom[1][0]))
- if (t->t_dcom[2]) {
- setname("nice");
- t->t_nice =
- getn(t->t_dcom[1]);
- lshift(t->t_dcom, 2);
- t->t_dflg |= F_NICE;
- }
- else
- break;
- else {
- t->t_nice = 4;
- lshift(t->t_dcom, 1);
- t->t_dflg |= F_NICE;
- }
- else
- break;
- else if (eq(t->t_dcom[0], STRnohup))
- if (t->t_dcom[1]) {
- t->t_dflg |= F_NOHUP;
- lshift(t->t_dcom, 1);
- }
- else
- break;
- else if (eq(t->t_dcom[0], STRtime))
- if (t->t_dcom[1]) {
- t->t_dflg |= F_TIME;
- lshift(t->t_dcom, 1);
- }
- else
- break;
- else
- break;
-
- /* is it a command */
- if (t->t_dtyp == NODE_COMMAND) {
- /*
- * Check if we have a builtin function and remember which one.
- */
- bifunc = isbfunc(t);
- if (noexec) {
- /*
- * Continue for builtins that are part of the scripting language
- */
- if (bifunc->bfunct != dobreak && bifunc->bfunct != docontin &&
- bifunc->bfunct != doelse && bifunc->bfunct != doend &&
- bifunc->bfunct != doforeach && bifunc->bfunct != dogoto &&
- bifunc->bfunct != doif && bifunc->bfunct != dorepeat &&
- bifunc->bfunct != doswbrk && bifunc->bfunct != doswitch &&
- bifunc->bfunct != dowhile && bifunc->bfunct != dozip)
- break;
- }
- }
- else { /* not a command */
- bifunc = NULL;
- if (noexec)
- break;
- }
-
- /*
- * We fork only if we are timed, or are not the end of a parenthesized
- * list and not a simple builtin function. Simple meaning one that is
- * not pipedout, niced, nohupped, or &'d. It would be nice(?) to not
- * fork in some of these cases.
- */
- /*
- * Prevent forking cd, pushd, popd, chdir cause this will cause the
- * shell not to change dir!
- */
- if (bifunc && (bifunc->bfunct == dochngd ||
- bifunc->bfunct == dopushd ||
- bifunc->bfunct == dopopd))
- t->t_dflg &= ~(F_NICE);
- if (((t->t_dflg & F_TIME) || ((t->t_dflg & F_NOFORK) == 0 &&
- (!bifunc || t->t_dflg &
- (F_PIPEOUT | F_AMPERSAND | F_NICE | F_NOHUP)))) ||
- /*
- * We have to fork for eval too.
- */
- (bifunc && (t->t_dflg & (F_PIPEIN | F_PIPEOUT)) != 0 &&
- bifunc->bfunct == doeval)) {
- if (t->t_dtyp == NODE_PAREN ||
- t->t_dflg & (F_REPEAT | F_AMPERSAND) || bifunc) {
- forked++;
- /*
- * We need to block SIGCHLD here, so that if the process does
- * not die before we can set the process group
- */
- if (wanttty >= 0 && !nosigchld) {
- csigmask = sigblock(sigmask(SIGCHLD));
- nosigchld = 1;
- }
-
- pid = pfork(t, wanttty);
- if (pid == 0 && nosigchld) {
- (void) sigsetmask(csigmask);
- nosigchld = 0;
- }
- else if (pid != 0 && (t->t_dflg & F_AMPERSAND))
- backpid = pid;
-
- }
- else {
- int ochild, osetintr, ohaderr, odidfds;
- int oSHIN, oSHOUT, oSHERR, oOLDSTD, otpgrp;
- int omask;
-
- /*
- * Prepare for the vfork by saving everything that the child
- * corrupts before it exec's. Note that in some signal
- * implementations which keep the signal info in user space
- * (e.g. Sun's) it will also be necessary to save and restore
- * the current sigvec's for the signals the child touches
- * before it exec's.
- */
- if (wanttty >= 0 && !nosigchld && !noexec) {
- csigmask = sigblock(sigmask(SIGCHLD));
- nosigchld = 1;
- }
- omask = sigblock(sigmask(SIGCHLD) | sigmask(SIGINT));
- ochild = child;
- osetintr = setintr;
- ohaderr = haderr;
- odidfds = didfds;
- oSHIN = SHIN;
- oSHOUT = SHOUT;
- oSHERR = SHERR;
- oOLDSTD = OLDSTD;
- otpgrp = tpgrp;
- ocsigmask = csigmask;
- onosigchld = nosigchld;
- Vsav = Vdp = 0;
- Vexpath = 0;
- Vt = 0;
- pid = vfork();
-
- if (pid < 0) {
- (void) sigsetmask(omask);
- stderror(ERR_NOPROC);
- }
- forked++;
- if (pid) { /* parent */
- child = ochild;
- setintr = osetintr;
- haderr = ohaderr;
- didfds = odidfds;
- SHIN = oSHIN;
- SHOUT = oSHOUT;
- SHERR = oSHERR;
- OLDSTD = oOLDSTD;
- tpgrp = otpgrp;
- csigmask = ocsigmask;
- nosigchld = onosigchld;
-
- xfree((ptr_t) Vsav);
- Vsav = 0;
- xfree((ptr_t) Vdp);
- Vdp = 0;
- xfree((ptr_t) Vexpath);
- Vexpath = 0;
- blkfree((Char **) Vt);
- Vt = 0;
- /* this is from pfork() */
- palloc(pid, t);
- (void) sigsetmask(omask);
- }
- else { /* child */
- /* this is from pfork() */
- int pgrp;
- bool ignint = 0;
-
- if (nosigchld) {
- (void) sigsetmask(csigmask);
- nosigchld = 0;
- }
-
- if (setintr)
- ignint =
- (tpgrp == -1 &&
- (t->t_dflg & F_NOINTERRUPT))
- || (gointr && eq(gointr, STRminus));
- pgrp = pcurrjob ? pcurrjob->p_jobid : getpid();
- child++;
- if (setintr) {
- setintr = 0;
- if (ignint) {
- (void) signal(SIGINT, SIG_IGN);
- (void) signal(SIGQUIT, SIG_IGN);
- }
- else {
- (void) signal(SIGINT, vffree);
- (void) signal(SIGQUIT, SIG_DFL);
- }
-
- if (wanttty >= 0) {
- (void) signal(SIGTSTP, SIG_DFL);
- (void) signal(SIGTTIN, SIG_DFL);
- (void) signal(SIGTTOU, SIG_DFL);
- }
-
- (void) signal(SIGTERM, parterm);
- }
- else if (tpgrp == -1 &&
- (t->t_dflg & F_NOINTERRUPT)) {
- (void) signal(SIGINT, SIG_IGN);
- (void) signal(SIGQUIT, SIG_IGN);
- }
-
- pgetty(wanttty, pgrp);
- if (t->t_dflg & F_NOHUP)
- (void) signal(SIGHUP, SIG_IGN);
- if (t->t_dflg & F_NICE)
- (void) setpriority(PRIO_PROCESS, 0, t->t_nice);
- }
-
- }
- }
- if (pid != 0) {
- /*
- * It would be better if we could wait for the whole job when we
- * knew the last process had been started. Pwait, in fact, does
- * wait for the whole job anyway, but this test doesn't really
- * express our intentions.
- */
- if (didfds == 0 && t->t_dflg & F_PIPEIN) {
- (void) close(pipein[0]);
- (void) close(pipein[1]);
- }
- if ((t->t_dflg & F_PIPEOUT) == 0) {
- if (nosigchld) {
- (void) sigsetmask(csigmask);
- nosigchld = 0;
- }
- if ((t->t_dflg & F_AMPERSAND) == 0)
- pwait();
- }
- break;
- }
- doio(t, pipein, pipeout);
- if (t->t_dflg & F_PIPEOUT) {
- (void) close(pipeout[0]);
- (void) close(pipeout[1]);
- }
- /*
- * Perform a builtin function. If we are not forked, arrange for
- * possible stopping
- */
- if (bifunc) {
- func(t, bifunc);
- if (forked)
- exitstat();
- break;
- }
- if (t->t_dtyp != NODE_PAREN) {
- doexec(NULL, t);
- /* NOTREACHED */
- }
- /*
- * For () commands must put new 0,1,2 in FSH* and recurse
- */
- OLDSTD = dcopy(0, FOLDSTD);
- SHOUT = dcopy(1, FSHOUT);
- SHERR = dcopy(2, FSHERR);
- (void) close(SHIN);
- SHIN = -1;
- didfds = 0;
- wanttty = -1;
- t->t_dspr->t_dflg |= t->t_dflg & F_NOINTERRUPT;
- execute(t->t_dspr, wanttty, NULL, NULL);
- exitstat();
-
- case NODE_PIPE:
- t->t_dcar->t_dflg |= F_PIPEOUT |
- (t->t_dflg & (F_PIPEIN | F_AMPERSAND | F_STDERR | F_NOINTERRUPT));
- execute(t->t_dcar, wanttty, pipein, pv);
- t->t_dcdr->t_dflg |= F_PIPEIN | (t->t_dflg &
- (F_PIPEOUT | F_AMPERSAND | F_NOFORK | F_NOINTERRUPT));
- if (wanttty > 0)
- wanttty = 0; /* got tty already */
- execute(t->t_dcdr, wanttty, pv, pipeout);
- break;
-
- case NODE_LIST:
- if (t->t_dcar) {
- t->t_dcar->t_dflg |= t->t_dflg & F_NOINTERRUPT;
- execute(t->t_dcar, wanttty, NULL, NULL);
- /*
- * In strange case of A&B make a new job after A
- */
- if (t->t_dcar->t_dflg & F_AMPERSAND && t->t_dcdr &&
- (t->t_dcdr->t_dflg & F_AMPERSAND) == 0)
- pendjob();
- }
- if (t->t_dcdr) {
- t->t_dcdr->t_dflg |= t->t_dflg &
- (F_NOFORK | F_NOINTERRUPT);
- execute(t->t_dcdr, wanttty, NULL, NULL);
- }
- break;
-
- case NODE_OR:
- case NODE_AND:
- if (t->t_dcar) {
- t->t_dcar->t_dflg |= t->t_dflg & F_NOINTERRUPT;
- execute(t->t_dcar, wanttty, NULL, NULL);
- if ((getn(value(STRstatus)) == 0) !=
- (t->t_dtyp == NODE_AND))
- return;
- }
- if (t->t_dcdr) {
- t->t_dcdr->t_dflg |= t->t_dflg &
- (F_NOFORK | F_NOINTERRUPT);
- execute(t->t_dcdr, wanttty, NULL, NULL);
- }
- break;
- }
- /*
- * Fall through for all breaks from switch
- *
- * If there will be no more executions of this command, flush all file
- * descriptors. Places that turn on the F_REPEAT bit are responsible for
- * doing donefds after the last re-execution
- */
- if (didfds && !(t->t_dflg & F_REPEAT))
- donefds();
-}
-
-static void
-vffree(i)
-int i;
-{
- Char **v;
-
- if ((v = gargv) != NULL) {
- gargv = 0;
- xfree((ptr_t) v);
- }
- if ((v = pargv) != NULL) {
- pargv = 0;
- xfree((ptr_t) v);
- }
- _exit(i);
-}
-
-/*
- * Expand and glob the words after an i/o redirection.
- * If more than one word is generated, then update the command vector.
- *
- * This is done differently in all the shells:
- * 1. in the Bourne shell and ksh globbing is not performed
- * 2. Bash/csh say ambiguous
- * 3. zsh does i/o to/from all the files
- * 4. itcsh concatenates the words.
- *
- * I don't know what is best to do. I think that Ambiguous is better
- * than restructuring the command vector, because the user can get
- * unexpected results. In any case, the command vector restructuring
- * code is present and the user can choose it by setting noambiguous
- */
-static Char *
-splicepipe(t, cp)
- struct command *t;
- Char *cp; /* word after < or > */
-{
- Char *blk[2];
-
- if (adrof(STRnoambiguous)) {
- Char **pv;
-
- blk[0] = Dfix1(cp); /* expand $ */
- blk[1] = NULL;
-
- gflag = 0, tglob(blk);
- if (gflag) {
- pv = globall(blk);
- if (pv == NULL) {
- setname(vis_str(blk[0]));
- xfree((ptr_t) blk[0]);
- stderror(ERR_NAME | ERR_NOMATCH);
- }
- gargv = NULL;
- if (pv[1] != NULL) { /* we need to fix the command vector */
- Char **av = blkspl(t->t_dcom, &pv[1]);
- xfree((ptr_t) t->t_dcom);
- t->t_dcom = av;
- }
- xfree((ptr_t) blk[0]);
- blk[0] = pv[0];
- xfree((ptr_t) pv);
- }
- }
- else {
- blk[0] = globone(blk[1] = Dfix1(cp), G_ERROR);
- xfree((ptr_t) blk[1]);
- }
- return(blk[0]);
-}
-
-/*
- * Perform io redirection.
- * We may or maynot be forked here.
- */
-static void
-doio(t, pipein, pipeout)
- struct command *t;
- int *pipein, *pipeout;
-{
- int fd;
- Char *cp;
- int flags = t->t_dflg;
-
- if (didfds || (flags & F_REPEAT))
- return;
- if ((flags & F_READ) == 0) {/* F_READ already done */
- if (t->t_dlef) {
- char tmp[MAXPATHLEN+1];
-
- /*
- * so < /dev/std{in,out,err} work
- */
- (void) dcopy(SHIN, 0);
- (void) dcopy(SHOUT, 1);
- (void) dcopy(SHERR, 2);
- cp = splicepipe(t, t->t_dlef);
- (void) strncpy(tmp, short2str(cp), MAXPATHLEN);
- tmp[MAXPATHLEN] = '\0';
- xfree((ptr_t) cp);
- if ((fd = open(tmp, O_RDONLY)) < 0)
- stderror(ERR_SYSTEM, tmp, strerror(errno));
- (void) dmove(fd, 0);
- }
- else if (flags & F_PIPEIN) {
- (void) close(0);
- (void) dup(pipein[0]);
- (void) close(pipein[0]);
- (void) close(pipein[1]);
- }
- else if ((flags & F_NOINTERRUPT) && tpgrp == -1) {
- (void) close(0);
- (void) open(_PATH_DEVNULL, O_RDONLY);
- }
- else {
- (void) close(0);
- (void) dup(OLDSTD);
- (void) ioctl(0, FIONCLEX, NULL);
- }
- }
- if (t->t_drit) {
- char tmp[MAXPATHLEN+1];
-
- cp = splicepipe(t, t->t_drit);
- (void) strncpy(tmp, short2str(cp), MAXPATHLEN);
- tmp[MAXPATHLEN] = '\0';
- xfree((ptr_t) cp);
- /*
- * so > /dev/std{out,err} work
- */
- (void) dcopy(SHOUT, 1);
- (void) dcopy(SHERR, 2);
- if ((flags & F_APPEND) &&
-#ifdef O_APPEND
- (fd = open(tmp, O_WRONLY | O_APPEND)) >= 0);
-#else
- (fd = open(tmp, O_WRONLY)) >= 0)
- (void) lseek(1, (off_t) 0, L_XTND);
-#endif
- else {
- if (!(flags & F_OVERWRITE) && adrof(STRnoclobber)) {
- if (flags & F_APPEND)
- stderror(ERR_SYSTEM, tmp, strerror(errno));
- chkclob(tmp);
- }
- if ((fd = creat(tmp, 0666)) < 0)
- stderror(ERR_SYSTEM, tmp, strerror(errno));
- }
- (void) dmove(fd, 1);
- }
- else if (flags & F_PIPEOUT) {
- (void) close(1);
- (void) dup(pipeout[1]);
- }
- else {
- (void) close(1);
- (void) dup(SHOUT);
- (void) ioctl(1, FIONCLEX, NULL);
- }
-
- (void) close(2);
- if (flags & F_STDERR) {
- (void) dup(1);
- }
- else {
- (void) dup(SHERR);
- (void) ioctl(2, FIONCLEX, NULL);
- }
- didfds = 1;
-}
-
-void
-mypipe(pv)
- int *pv;
-{
-
- if (pipe(pv) < 0)
- goto oops;
- pv[0] = dmove(pv[0], -1);
- pv[1] = dmove(pv[1], -1);
- if (pv[0] >= 0 && pv[1] >= 0)
- return;
-oops:
- stderror(ERR_PIPE);
-}
-
-static void
-chkclob(cp)
- char *cp;
-{
- struct stat stb;
-
- if (stat(cp, &stb) < 0)
- return;
- if (S_ISCHR(stb.st_mode))
- return;
- stderror(ERR_EXISTS, cp);
-}
diff --git a/bin/csh/set.c b/bin/csh/set.c
deleted file mode 100644
index af6c6cd..0000000
--- a/bin/csh/set.c
+++ /dev/null
@@ -1,847 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)set.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/types.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-#include <unistd.h>
-
-#include "csh.h"
-#include "extern.h"
-
-static Char *getinx __P((Char *, int *));
-static void asx __P((Char *, int, Char *));
-static struct varent
- *getvx __P((Char *, int));
-static Char *xset __P((Char *, Char ***));
-static Char *operate __P((int, Char *, Char *));
-static void putn1 __P((int));
-static struct varent
- *madrof __P((Char *, struct varent *));
-static void unsetv1 __P((struct varent *));
-static void exportpath __P((Char **));
-static void balance __P((struct varent *, int, int));
-
-
-/*
- * C Shell
- */
-
-void
-/*ARGSUSED*/
-doset(v, t)
- Char **v;
- struct command *t;
-{
- Char *p;
- Char *vp, op;
- Char **vecp;
- bool hadsub;
- int subscr;
-
- v++;
- p = *v++;
- if (p == 0) {
- prvars();
- return;
- }
- do {
- hadsub = 0;
- vp = p;
- if (letter(*p))
- for (; alnum(*p); p++)
- continue;
- if (vp == p || !letter(*vp))
- stderror(ERR_NAME | ERR_VARBEGIN);
- if ((p - vp) > MAXVARLEN) {
- stderror(ERR_NAME | ERR_VARTOOLONG);
- return;
- }
- if (*p == '[') {
- hadsub++;
- p = getinx(p, &subscr);
- }
- if ((op = *p) != '\0') {
- *p++ = 0;
- if (*p == 0 && *v && **v == '(')
- p = *v++;
- }
- else if (*v && eq(*v, STRequal)) {
- op = '=', v++;
- if (*v)
- p = *v++;
- }
- if (op && op != '=')
- stderror(ERR_NAME | ERR_SYNTAX);
- if (eq(p, STRLparen)) {
- Char **e = v;
-
- if (hadsub)
- stderror(ERR_NAME | ERR_SYNTAX);
- for (;;) {
- if (!*e)
- stderror(ERR_NAME | ERR_MISSING, ')');
- if (**e == ')')
- break;
- e++;
- }
- p = *e;
- *e = 0;
- vecp = saveblk(v);
- set1(vp, vecp, &shvhed);
- *e = p;
- v = e + 1;
- }
- else if (hadsub)
- asx(vp, subscr, Strsave(p));
- else
- set(vp, Strsave(p));
- if (eq(vp, STRpath)) {
- exportpath(adrof(STRpath)->vec);
- dohash(NULL, NULL);
- }
- else if (eq(vp, STRhistchars)) {
- Char *pn = value(STRhistchars);
-
- HIST = *pn++;
- HISTSUB = *pn;
- }
- else if (eq(vp, STRuser)) {
- Setenv(STRUSER, value(vp));
- Setenv(STRLOGNAME, value(vp));
- }
- else if (eq(vp, STRwordchars)) {
- word_chars = value(vp);
- }
- else if (eq(vp, STRterm))
- Setenv(STRTERM, value(vp));
- else if (eq(vp, STRhome)) {
- Char *cp;
-
- cp = Strsave(value(vp)); /* get the old value back */
-
- /*
- * convert to canonical pathname (possibly resolving symlinks)
- */
- cp = dcanon(cp, cp);
-
- set(vp, Strsave(cp)); /* have to save the new val */
-
- /* and now mirror home with HOME */
- Setenv(STRHOME, cp);
- /* fix directory stack for new tilde home */
- dtilde();
- xfree((ptr_t) cp);
- }
-#ifdef FILEC
- else if (eq(vp, STRfilec))
- filec = 1;
-#endif
- } while ((p = *v++) != NULL);
-}
-
-static Char *
-getinx(cp, ip)
- Char *cp;
- int *ip;
-{
-
- *ip = 0;
- *cp++ = 0;
- while (*cp && Isdigit(*cp))
- *ip = *ip * 10 + *cp++ - '0';
- if (*cp++ != ']')
- stderror(ERR_NAME | ERR_SUBSCRIPT);
- return (cp);
-}
-
-static void
-asx(vp, subscr, p)
- Char *vp;
- int subscr;
- Char *p;
-{
- struct varent *v = getvx(vp, subscr);
-
- xfree((ptr_t) v->vec[subscr - 1]);
- v->vec[subscr - 1] = globone(p, G_APPEND);
-}
-
-static struct varent *
-getvx(vp, subscr)
- Char *vp;
- int subscr;
-{
- struct varent *v = adrof(vp);
-
- if (v == 0)
- udvar(vp);
- if (subscr < 1 || subscr > blklen(v->vec))
- stderror(ERR_NAME | ERR_RANGE);
- return (v);
-}
-
-void
-/*ARGSUSED*/
-dolet(v, t)
- Char **v;
- struct command *t;
-{
- Char *p;
- Char *vp, c, op;
- bool hadsub;
- int subscr;
-
- v++;
- p = *v++;
- if (p == 0) {
- prvars();
- return;
- }
- do {
- hadsub = 0;
- vp = p;
- if (letter(*p))
- for (; alnum(*p); p++)
- continue;
- if (vp == p || !letter(*vp))
- stderror(ERR_NAME | ERR_VARBEGIN);
- if ((p - vp) > MAXVARLEN)
- stderror(ERR_NAME | ERR_VARTOOLONG);
- if (*p == '[') {
- hadsub++;
- p = getinx(p, &subscr);
- }
- if (*p == 0 && *v)
- p = *v++;
- if ((op = *p) != '\0')
- *p++ = 0;
- else
- stderror(ERR_NAME | ERR_ASSIGN);
-
- if (*p == '\0' && *v == NULL)
- stderror(ERR_NAME | ERR_ASSIGN);
-
- vp = Strsave(vp);
- if (op == '=') {
- c = '=';
- p = xset(p, &v);
- }
- else {
- c = *p++;
- if (any("+-", c)) {
- if (c != op || *p)
- stderror(ERR_NAME | ERR_UNKNOWNOP);
- p = Strsave(STR1);
- }
- else {
- if (any("<>", op)) {
- if (c != op)
- stderror(ERR_NAME | ERR_UNKNOWNOP);
- c = *p++;
- stderror(ERR_NAME | ERR_SYNTAX);
- }
- if (c != '=')
- stderror(ERR_NAME | ERR_UNKNOWNOP);
- p = xset(p, &v);
- }
- }
- if (op == '=')
- if (hadsub)
- asx(vp, subscr, p);
- else
- set(vp, p);
- else if (hadsub) {
- struct varent *gv = getvx(vp, subscr);
-
- asx(vp, subscr, operate(op, gv->vec[subscr - 1], p));
- }
- else
- set(vp, operate(op, value(vp), p));
- if (eq(vp, STRpath)) {
- exportpath(adrof(STRpath)->vec);
- dohash(NULL, NULL);
- }
- xfree((ptr_t) vp);
- if (c != '=')
- xfree((ptr_t) p);
- } while ((p = *v++) != NULL);
-}
-
-static Char *
-xset(cp, vp)
- Char *cp, ***vp;
-{
- Char *dp;
-
- if (*cp) {
- dp = Strsave(cp);
- --(*vp);
- xfree((ptr_t) ** vp);
- **vp = dp;
- }
- return (putn(expr(vp)));
-}
-
-static Char *
-operate(op, vp, p)
- int op;
- Char *vp, *p;
-{
- Char opr[2];
- Char *vec[5];
- Char **v = vec;
- Char **vecp = v;
- int i;
-
- if (op != '=') {
- if (*vp)
- *v++ = vp;
- opr[0] = op;
- opr[1] = 0;
- *v++ = opr;
- if (op == '<' || op == '>')
- *v++ = opr;
- }
- *v++ = p;
- *v++ = 0;
- i = expr(&vecp);
- if (*vecp)
- stderror(ERR_NAME | ERR_EXPRESSION);
- return (putn(i));
-}
-
-static Char *putp;
-
-Char *
-putn(n)
- int n;
-{
- int num;
- static Char number[15];
-
- putp = number;
- if (n < 0) {
- n = -n;
- *putp++ = '-';
- }
- num = 2; /* confuse lint */
- if (sizeof(int) == num && ((unsigned int) n) == 0x8000) {
- *putp++ = '3';
- n = 2768;
-#ifdef pdp11
- }
-#else
- }
- else {
- num = 4; /* confuse lint */
- if (sizeof(int) == num && ((unsigned int) n) == 0x80000000) {
- *putp++ = '2';
- n = 147483648;
- }
- }
-#endif
- putn1(n);
- *putp = 0;
- return (Strsave(number));
-}
-
-static void
-putn1(n)
- int n;
-{
- if (n > 9)
- putn1(n / 10);
- *putp++ = n % 10 + '0';
-}
-
-int
-getn(cp)
- Char *cp;
-{
- int n;
- int sign;
-
- sign = 0;
- if (cp[0] == '+' && cp[1])
- cp++;
- if (*cp == '-') {
- sign++;
- cp++;
- if (!Isdigit(*cp))
- stderror(ERR_NAME | ERR_BADNUM);
- }
- n = 0;
- while (Isdigit(*cp))
- n = n * 10 + *cp++ - '0';
- if (*cp)
- stderror(ERR_NAME | ERR_BADNUM);
- return (sign ? -n : n);
-}
-
-Char *
-value1(var, head)
- Char *var;
- struct varent *head;
-{
- struct varent *vp;
-
- vp = adrof1(var, head);
- return (vp == 0 || vp->vec[0] == 0 ? STRNULL : vp->vec[0]);
-}
-
-static struct varent *
-madrof(pat, vp)
- Char *pat;
- struct varent *vp;
-{
- struct varent *vp1;
-
- for (; vp; vp = vp->v_right) {
- if (vp->v_left && (vp1 = madrof(pat, vp->v_left)))
- return vp1;
- if (Gmatch(vp->v_name, pat))
- return vp;
- }
- return vp;
-}
-
-struct varent *
-adrof1(name, v)
- Char *name;
- struct varent *v;
-{
- int cmp;
-
- v = v->v_left;
- while (v && ((cmp = *name - *v->v_name) ||
- (cmp = Strcmp(name, v->v_name))))
- if (cmp < 0)
- v = v->v_left;
- else
- v = v->v_right;
- return v;
-}
-
-/*
- * The caller is responsible for putting value in a safe place
- */
-void
-set(var, val)
- Char *var, *val;
-{
- Char **vec = (Char **) xmalloc((size_t) (2 * sizeof(Char **)));
-
- vec[0] = val;
- vec[1] = 0;
- set1(var, vec, &shvhed);
-}
-
-void
-set1(var, vec, head)
- Char *var, **vec;
- struct varent *head;
-{
- Char **oldv = vec;
-
- gflag = 0;
- tglob(oldv);
- if (gflag) {
- vec = globall(oldv);
- if (vec == 0) {
- blkfree(oldv);
- stderror(ERR_NAME | ERR_NOMATCH);
- return;
- }
- blkfree(oldv);
- gargv = 0;
- }
- setq(var, vec, head);
-}
-
-
-void
-setq(name, vec, p)
- Char *name, **vec;
- struct varent *p;
-{
- struct varent *c;
- int f;
-
- f = 0; /* tree hangs off the header's left link */
- while ((c = p->v_link[f]) != NULL) {
- if ((f = *name - *c->v_name) == 0 &&
- (f = Strcmp(name, c->v_name)) == 0) {
- blkfree(c->vec);
- goto found;
- }
- p = c;
- f = f > 0;
- }
- p->v_link[f] = c = (struct varent *) xmalloc((size_t) sizeof(struct varent));
- c->v_name = Strsave(name);
- c->v_bal = 0;
- c->v_left = c->v_right = 0;
- c->v_parent = p;
- balance(p, f, 0);
-found:
- trim(c->vec = vec);
-}
-
-void
-/*ARGSUSED*/
-unset(v, t)
- Char **v;
- struct command *t;
-{
- unset1(v, &shvhed);
-#ifdef FILEC
- if (adrof(STRfilec) == 0)
- filec = 0;
-#endif
- if (adrof(STRhistchars) == 0) {
- HIST = '!';
- HISTSUB = '^';
- }
- if (adrof(STRwordchars) == 0)
- word_chars = STR_WORD_CHARS;
-}
-
-void
-unset1(v, head)
- Char *v[];
- struct varent *head;
-{
- struct varent *vp;
- int cnt;
-
- while (*++v) {
- cnt = 0;
- while ((vp = madrof(*v, head->v_left)) != NULL)
- unsetv1(vp), cnt++;
- if (cnt == 0)
- setname(vis_str(*v));
- }
-}
-
-void
-unsetv(var)
- Char *var;
-{
- struct varent *vp;
-
- if ((vp = adrof1(var, &shvhed)) == 0)
- udvar(var);
- unsetv1(vp);
-}
-
-static void
-unsetv1(p)
- struct varent *p;
-{
- struct varent *c, *pp;
- int f;
-
- /*
- * Free associated memory first to avoid complications.
- */
- blkfree(p->vec);
- xfree((ptr_t) p->v_name);
- /*
- * If p is missing one child, then we can move the other into where p is.
- * Otherwise, we find the predecessor of p, which is guaranteed to have no
- * right child, copy it into p, and move it's left child into it.
- */
- if (p->v_right == 0)
- c = p->v_left;
- else if (p->v_left == 0)
- c = p->v_right;
- else {
- for (c = p->v_left; c->v_right; c = c->v_right)
- continue;
- p->v_name = c->v_name;
- p->vec = c->vec;
- p = c;
- c = p->v_left;
- }
- /*
- * Move c into where p is.
- */
- pp = p->v_parent;
- f = pp->v_right == p;
- if ((pp->v_link[f] = c) != NULL)
- c->v_parent = pp;
- /*
- * Free the deleted node, and rebalance.
- */
- xfree((ptr_t) p);
- balance(pp, f, 1);
-}
-
-void
-setNS(cp)
- Char *cp;
-{
- set(cp, Strsave(STRNULL));
-}
-
-void
-/*ARGSUSED*/
-shift(v, t)
- Char **v;
- struct command *t;
-{
- struct varent *argv;
- Char *name;
-
- v++;
- name = *v;
- if (name == 0)
- name = STRargv;
- else
- (void) strip(name);
- argv = adrof(name);
- if (argv == 0)
- udvar(name);
- if (argv->vec[0] == 0)
- stderror(ERR_NAME | ERR_NOMORE);
- lshift(argv->vec, 1);
-}
-
-static void
-exportpath(val)
- Char **val;
-{
- Char exppath[BUFSIZ];
-
- exppath[0] = 0;
- if (val)
- while (*val) {
- if (Strlen(*val) + Strlen(exppath) + 2 > BUFSIZ) {
- (void) fprintf(csherr,
- "Warning: ridiculously long PATH truncated\n");
- break;
- }
- if (**val != '/' && (euid == 0 || uid == 0) &&
- (intact || (intty && isatty(SHOUT))))
- (void) fprintf(csherr,
- "Warning: exported path contains relative components.\n");
- (void) Strcat(exppath, *val++);
- if (*val == 0 || eq(*val, STRRparen))
- break;
- (void) Strcat(exppath, STRcolon);
- }
- Setenv(STRPATH, exppath);
-}
-
-#ifndef lint
- /*
- * Lint thinks these have null effect
- */
- /* macros to do single rotations on node p */
-#define rright(p) (\
- t = (p)->v_left,\
- (t)->v_parent = (p)->v_parent,\
- ((p)->v_left = t->v_right) ? (t->v_right->v_parent = (p)) : 0,\
- (t->v_right = (p))->v_parent = t,\
- (p) = t)
-#define rleft(p) (\
- t = (p)->v_right,\
- (t)->v_parent = (p)->v_parent,\
- ((p)->v_right = t->v_left) ? (t->v_left->v_parent = (p)) : 0,\
- (t->v_left = (p))->v_parent = t,\
- (p) = t)
-#else
-struct varent *
-rleft(p)
- struct varent *p;
-{
- return (p);
-}
-struct varent *
-rright(p)
- struct varent *p;
-{
- return (p);
-}
-
-#endif /* ! lint */
-
-
-/*
- * Rebalance a tree, starting at p and up.
- * F == 0 means we've come from p's left child.
- * D == 1 means we've just done a delete, otherwise an insert.
- */
-static void
-balance(p, f, d)
- struct varent *p;
- int f, d;
-{
- struct varent *pp;
-
-#ifndef lint
- struct varent *t; /* used by the rotate macros */
-
-#endif
- int ff;
-
- /*
- * Ok, from here on, p is the node we're operating on; pp is it's parent; f
- * is the branch of p from which we have come; ff is the branch of pp which
- * is p.
- */
- for (; (pp = p->v_parent) != NULL; p = pp, f = ff) {
- ff = pp->v_right == p;
- if (f ^ d) { /* right heavy */
- switch (p->v_bal) {
- case -1: /* was left heavy */
- p->v_bal = 0;
- break;
- case 0: /* was balanced */
- p->v_bal = 1;
- break;
- case 1: /* was already right heavy */
- switch (p->v_right->v_bal) {
- case 1: /* single rotate */
- pp->v_link[ff] = rleft(p);
- p->v_left->v_bal = 0;
- p->v_bal = 0;
- break;
- case 0: /* single rotate */
- pp->v_link[ff] = rleft(p);
- p->v_left->v_bal = 1;
- p->v_bal = -1;
- break;
- case -1: /* double rotate */
- (void) rright(p->v_right);
- pp->v_link[ff] = rleft(p);
- p->v_left->v_bal =
- p->v_bal < 1 ? 0 : -1;
- p->v_right->v_bal =
- p->v_bal > -1 ? 0 : 1;
- p->v_bal = 0;
- break;
- }
- break;
- }
- }
- else { /* left heavy */
- switch (p->v_bal) {
- case 1: /* was right heavy */
- p->v_bal = 0;
- break;
- case 0: /* was balanced */
- p->v_bal = -1;
- break;
- case -1: /* was already left heavy */
- switch (p->v_left->v_bal) {
- case -1: /* single rotate */
- pp->v_link[ff] = rright(p);
- p->v_right->v_bal = 0;
- p->v_bal = 0;
- break;
- case 0: /* single rotate */
- pp->v_link[ff] = rright(p);
- p->v_right->v_bal = -1;
- p->v_bal = 1;
- break;
- case 1: /* double rotate */
- (void) rleft(p->v_left);
- pp->v_link[ff] = rright(p);
- p->v_left->v_bal =
- p->v_bal < 1 ? 0 : -1;
- p->v_right->v_bal =
- p->v_bal > -1 ? 0 : 1;
- p->v_bal = 0;
- break;
- }
- break;
- }
- }
- /*
- * If from insert, then we terminate when p is balanced. If from
- * delete, then we terminate when p is unbalanced.
- */
- if ((p->v_bal == 0) ^ d)
- break;
- }
-}
-
-void
-plist(p)
- struct varent *p;
-{
- struct varent *c;
- int len;
-
- if (setintr)
- (void) sigsetmask(sigblock(0) & ~sigmask(SIGINT));
-
- for (;;) {
- while (p->v_left)
- p = p->v_left;
-x:
- if (p->v_parent == 0) /* is it the header? */
- return;
- len = blklen(p->vec);
- (void) fprintf(cshout, "%s\t", short2str(p->v_name));
- if (len != 1)
- (void) fputc('(', cshout);
- blkpr(cshout, p->vec);
- if (len != 1)
- (void) fputc(')', cshout);
- (void) fputc('\n', cshout);
- if (p->v_right) {
- p = p->v_right;
- continue;
- }
- do {
- c = p;
- p = p->v_parent;
- } while (p->v_right == c);
- goto x;
- }
-}
diff --git a/bin/csh/str.c b/bin/csh/str.c
deleted file mode 100644
index e205e22..0000000
--- a/bin/csh/str.c
+++ /dev/null
@@ -1,472 +0,0 @@
-/*-
- * Copyright (c) 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)str.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#define MALLOC_INCR 128
-
-/*
- * tc.str.c: Short string package
- * This has been a lesson of how to write buggy code!
- */
-
-#include <sys/types.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-#include <vis.h>
-
-#include "csh.h"
-#include "extern.h"
-
-#ifdef SHORT_STRINGS
-
-Char **
-blk2short(src)
- char **src;
-{
- size_t n;
- Char **sdst, **dst;
-
- /*
- * Count
- */
- for (n = 0; src[n] != NULL; n++)
- continue;
- sdst = dst = (Char **) xmalloc((size_t) ((n + 1) * sizeof(Char *)));
-
- for (; *src != NULL; src++)
- *dst++ = SAVE(*src);
- *dst = NULL;
- return (sdst);
-}
-
-char **
-short2blk(src)
- Char **src;
-{
- size_t n;
- char **sdst, **dst;
-
- /*
- * Count
- */
- for (n = 0; src[n] != NULL; n++)
- continue;
- sdst = dst = (char **) xmalloc((size_t) ((n + 1) * sizeof(char *)));
-
- for (; *src != NULL; src++)
- *dst++ = strsave(short2str(*src));
- *dst = NULL;
- return (sdst);
-}
-
-Char *
-str2short(src)
- char *src;
-{
- static Char *sdst;
- static size_t dstsize = 0;
- Char *dst, *edst;
-
- if (src == NULL)
- return (NULL);
-
- if (sdst == (NULL)) {
- dstsize = MALLOC_INCR;
- sdst = (Char *) xmalloc((size_t) dstsize * sizeof(Char));
- }
-
- dst = sdst;
- edst = &dst[dstsize];
- while (*src) {
- *dst++ = (Char) ((unsigned char) *src++);
- if (dst == edst) {
- dstsize += MALLOC_INCR;
- sdst = (Char *) xrealloc((ptr_t) sdst,
- (size_t) dstsize * sizeof(Char));
- edst = &sdst[dstsize];
- dst = &edst[-MALLOC_INCR];
- }
- }
- *dst = 0;
- return (sdst);
-}
-
-char *
-short2str(src)
- Char *src;
-{
- static char *sdst = NULL;
- static size_t dstsize = 0;
- char *dst, *edst;
-
- if (src == NULL)
- return (NULL);
-
- if (sdst == NULL) {
- dstsize = MALLOC_INCR;
- sdst = (char *) xmalloc((size_t) dstsize * sizeof(char));
- }
- dst = sdst;
- edst = &dst[dstsize];
- while (*src) {
- *dst++ = (char) *src++;
- if (dst == edst) {
- dstsize += MALLOC_INCR;
- sdst = (char *) xrealloc((ptr_t) sdst,
- (size_t) dstsize * sizeof(char));
- edst = &sdst[dstsize];
- dst = &edst[-MALLOC_INCR];
- }
- }
- *dst = 0;
- return (sdst);
-}
-
-Char *
-s_strcpy(dst, src)
- Char *dst, *src;
-{
- Char *sdst;
-
- sdst = dst;
- while ((*dst++ = *src++) != '\0')
- continue;
- return (sdst);
-}
-
-Char *
-s_strncpy(dst, src, n)
- Char *dst, *src;
- size_t n;
-{
- Char *sdst;
-
- if (n == 0)
- return(dst);
-
- sdst = dst;
- do
- if ((*dst++ = *src++) == '\0') {
- while (--n != 0)
- *dst++ = '\0';
- return(sdst);
- }
- while (--n != 0);
- return (sdst);
-}
-
-Char *
-s_strcat(dst, src)
- Char *dst, *src;
-{
- short *sdst;
-
- sdst = dst;
- while (*dst++)
- continue;
- --dst;
- while ((*dst++ = *src++) != '\0')
- continue;
- return (sdst);
-}
-
-#ifdef NOTUSED
-Char *
-s_strncat(dst, src, n)
- Char *dst, *src;
- size_t n;
-{
- Char *sdst;
-
- if (n == 0)
- return (dst);
-
- sdst = dst;
-
- while (*dst++)
- continue;
- --dst;
-
- do
- if ((*dst++ = *src++) == '\0')
- return(sdst);
- while (--n != 0)
- continue;
-
- *dst = '\0';
- return (sdst);
-}
-
-#endif
-
-Char *
-s_strchr(str, ch)
- Char *str;
- int ch;
-{
- do
- if (*str == ch)
- return (str);
- while (*str++);
- return (NULL);
-}
-
-Char *
-s_strrchr(str, ch)
- Char *str;
- int ch;
-{
- Char *rstr;
-
- rstr = NULL;
- do
- if (*str == ch)
- rstr = str;
- while (*str++);
- return (rstr);
-}
-
-size_t
-s_strlen(str)
- Char *str;
-{
- size_t n;
-
- for (n = 0; *str++; n++)
- continue;
- return (n);
-}
-
-int
-s_strcmp(str1, str2)
- Char *str1, *str2;
-{
- for (; *str1 && *str1 == *str2; str1++, str2++)
- continue;
- /*
- * The following case analysis is necessary so that characters which look
- * negative collate low against normal characters but high against the
- * end-of-string NUL.
- */
- if (*str1 == '\0' && *str2 == '\0')
- return (0);
- else if (*str1 == '\0')
- return (-1);
- else if (*str2 == '\0')
- return (1);
- else
- return (*str1 - *str2);
-}
-
-int
-s_strncmp(str1, str2, n)
- Char *str1, *str2;
- size_t n;
-{
- if (n == 0)
- return (0);
- do {
- if (*str1 != *str2) {
- /*
- * The following case analysis is necessary so that characters
- * which look negative collate low against normal characters
- * but high against the end-of-string NUL.
- */
- if (*str1 == '\0')
- return (-1);
- else if (*str2 == '\0')
- return (1);
- else
- return (*str1 - *str2);
- break;
- }
- if (*str1 == '\0')
- return(0);
- str1++, str2++;
- } while (--n != 0);
- return(0);
-}
-
-Char *
-s_strsave(s)
- Char *s;
-{
- Char *n;
- Char *p;
-
- if (s == 0)
- s = STRNULL;
- for (p = s; *p++;)
- continue;
- n = p = (Char *) xmalloc((size_t) ((p - s) * sizeof(Char)));
- while ((*p++ = *s++) != '\0')
- continue;
- return (n);
-}
-
-Char *
-s_strspl(cp, dp)
- Char *cp, *dp;
-{
- Char *ep;
- Char *p, *q;
-
- if (!cp)
- cp = STRNULL;
- if (!dp)
- dp = STRNULL;
- for (p = cp; *p++;)
- continue;
- for (q = dp; *q++;)
- continue;
- ep = (Char *) xmalloc((size_t)
- (((p - cp) + (q - dp) - 1) * sizeof(Char)));
- for (p = ep, q = cp; (*p++ = *q++) != '\0';)
- continue;
- for (p--, q = dp; (*p++ = *q++) != '\0';)
- continue;
- return (ep);
-}
-
-Char *
-s_strend(cp)
- Char *cp;
-{
- if (!cp)
- return (cp);
- while (*cp)
- cp++;
- return (cp);
-}
-
-Char *
-s_strstr(s, t)
- Char *s, *t;
-{
- do {
- Char *ss = s;
- Char *tt = t;
-
- do
- if (*tt == '\0')
- return (s);
- while (*ss++ == *tt++);
- } while (*s++ != '\0');
- return (NULL);
-}
-#endif /* SHORT_STRINGS */
-
-char *
-short2qstr(src)
- Char *src;
-{
- static char *sdst = NULL;
- static size_t dstsize = 0;
- char *dst, *edst;
-
- if (src == NULL)
- return (NULL);
-
- if (sdst == NULL) {
- dstsize = MALLOC_INCR;
- sdst = (char *) xmalloc((size_t) dstsize * sizeof(char));
- }
- dst = sdst;
- edst = &dst[dstsize];
- while (*src) {
- if (*src & QUOTE) {
- *dst++ = '\\';
- if (dst == edst) {
- dstsize += MALLOC_INCR;
- sdst = (char *) xrealloc((ptr_t) sdst,
- (size_t) dstsize * sizeof(char));
- edst = &sdst[dstsize];
- dst = &edst[-MALLOC_INCR];
- }
- }
- *dst++ = (char) *src++;
- if (dst == edst) {
- dstsize += MALLOC_INCR;
- sdst = (char *) xrealloc((ptr_t) sdst,
- (size_t) dstsize * sizeof(char));
- edst = &sdst[dstsize];
- dst = &edst[-MALLOC_INCR];
- }
- }
- *dst = 0;
- return (sdst);
-}
-
-/*
- * XXX: Should we worry about QUOTE'd chars?
- */
-char *
-vis_str(cp)
- Char *cp;
-{
- static char *sdst = NULL;
- static size_t dstsize = 0;
- size_t n;
- Char *dp;
-
- if (cp == NULL)
- return (NULL);
-
- for (dp = cp; *dp++;)
- continue;
- n = ((dp - cp) << 2) + 1; /* 4 times + NULL */
- if (dstsize < n) {
- sdst = (char *) (dstsize ?
- xrealloc(sdst, (size_t) n * sizeof(char)) :
- xmalloc((size_t) n * sizeof(char)));
- dstsize = n;
- }
- /*
- * XXX: When we are in AsciiOnly we want all characters >= 0200 to
- * be encoded, but currently there is no way in vis to do that.
- */
- (void) strvis(sdst, short2str(cp), VIS_NOSLASH);
- return (sdst);
-}
-
diff --git a/bin/csh/tc.defs.c b/bin/csh/tc.defs.c
new file mode 100644
index 0000000..484e72b
--- /dev/null
+++ b/bin/csh/tc.defs.c
@@ -0,0 +1,2709 @@
+/* $FreeBSD$ */
+
+/* Do not edit this file, make creates it */
+/* $Header: /src/pub/tcsh/host.defs,v 1.25 1999/04/20 07:48:41 christos Exp $ */
+/*
+ * host.defs: Hosttype/Machtype etc.
+ */
+/*-
+ * Copyright (c) 1980, 1991 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#include "sh.h"
+
+RCSID("$Id: host.defs,v 1.25 1999/04/20 07:48:41 christos Exp $")
+
+
+
+#if (defined(mips) || defined(__mips)) && (defined(MIPSEL) || defined(__MIPSEL))
+# define M_mipsel
+#endif
+
+
+#if (defined(mips) || defined(__mips)) && (defined(MIPSEB) || defined(__MIPSEB))
+# define M_mipseb
+#endif
+
+
+#if (defined(i386) || defined(__i386__))
+# define M_i386
+#endif
+
+
+#if (defined(i486) || defined(__i486__))
+# define M_i486
+#endif
+
+
+#if (defined(i586) || defined(__i586__))
+# define M_i586
+#endif
+
+
+#if (defined(M_i386) || defined(M_i486) || defined(M_i586))
+# define M_intel
+#endif
+
+
+
+
+#if defined(ns32000)
+static char *
+isamultimax(flag)
+ int flag;
+{
+ if (access("/Umax.image", F_OK) == 0)
+ return "multimax";
+ else
+ return flag ? "mach" : "ns32000";
+}
+#endif
+
+
+
+
+#if defined(cray)
+/*
+ * On crays, find the current machine type via the target() syscall
+ * We need ctype.h to convert the name returned to lower case
+ */
+# include <sys/target.h>
+# include <ctype.h>
+# include <string.h>
+
+/* From: hpa@hook.eecs.nwu.edu (H. Peter Anvin) */
+static char *
+getcray()
+{
+# ifdef MC_GET_SYSTEM /* If we have target() */
+ struct target data;
+
+ if (target(MC_GET_SYSTEM, &data) != -1) {
+ static char hosttype_buf[sizeof(data.mc_pmt)+1];
+ char *p = (char *) &(data.mc_pmt);
+ char *q = hosttype_buf;
+ int n;
+
+ /*
+ * Copy to buffer and convert to lower case
+ * String may not be null-terminated, so keep a counter
+ */
+ for (n = 0; *p && n < sizeof(data.mc_pmt); n++)
+ *q++ = tolower(p[n]);
+
+ *q = '\0';
+
+ /* replace dashes with underscores if present */
+ while ((q = strchr(hosttype_buf, '-')) != NULL)
+ *q = '_';
+ return hosttype_buf; /* Return in static buffer */
+ }
+ else
+# endif /* MC_GET_SYSTEM */
+ return "cray"; /* target() failed */
+}
+#endif
+
+
+
+
+#if defined(convex)
+/*
+ * On convex, find the current machine type via the getsysinfo() syscall
+ */
+#include <sys/sysinfo.h>
+
+/* From: fox@convex.com (David DeSimone) */
+static char *
+getconvex()
+{
+ struct system_information sysinfo;
+ static char result[8];
+
+ if (getsysinfo(SYSINFO_SIZE, &sysinfo) == -1)
+ return "convex";
+
+ switch(sysinfo.cpu_type) {
+#ifdef SI_CPUTYPE_C1
+ case SI_CPUTYPE_C1:
+ return "c1";
+#endif
+
+#ifdef SI_CPUTYPE_C2
+ case SI_CPUTYPE_C2:
+ return "c2";
+#endif
+
+#ifdef SI_CPUTYPE_C2MP
+ case SI_CPUTYPE_C2MP:
+ (void) strcpy(result, "c2X0");
+ result[2] = sysinfo.cpu_count + '0';
+ return result;
+#endif
+
+#ifdef SI_CPUTYPE_C34
+ case SI_CPUTYPE_C34:
+ (void) strcpy(result, "c34X0");
+ result[3] = sysinfo.cpu_count + '0';
+ return result;
+#endif
+
+#ifdef SI_CPUTYPE_C38
+ case SI_CPUTYPE_C38:
+ (void) strcpy(result, "c38X0");
+ result[3] = sysinfo.cpu_count + '0';
+ return result;
+#endif
+
+#ifdef SI_CPUTYPE_C46
+ case SI_CPUTYPE_C46:
+ (void) strcpy(result, "c46X0");
+ result[3] = sysinfo.cpu_count + '0';
+ return result;
+#endif
+
+ default:
+ return "convex";
+ }
+}
+#endif
+
+
+void
+getmachine()
+{
+ char *hosttype;
+ char *ostype;
+ char *vendor;
+ char *machtype;
+
+
+
+
+
+#if defined(__PARAGON__)
+ /* Intel Paragon running OSF/1 */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "intel";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "paragon";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "osf1";
+# endif
+# if (defined(M_i386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+#endif
+
+
+
+
+#if defined(AMIX)
+ /* Amiga running Amix 2.02 */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "commodore";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "amiga";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "Amix";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+#endif
+
+
+
+
+#if defined(accel)
+ /* celerity Accel */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "celerity";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "celerityACCEL";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "unix";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "accel";
+# endif
+#endif
+
+
+
+
+#if defined(_VMS_POSIX)
+ /* digital vax or alpha running vms posix */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "dec";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "VMS-POSIX";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "vms";
+# endif
+# if (defined(__alpha)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "alpha";
+# endif
+# if (defined(__vax) || defined(vax)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "vax";
+# endif
+# if (defined(__vax__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "vax";
+# endif
+#endif
+
+
+
+
+#if defined(__hp_osf)
+ /* Hewlett Packard running OSF/1 */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "hp";
+# endif
+# if (defined(__pa_risc)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "hp9000s700-osf1";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "hp-osf1";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "osf1";
+# endif
+# if (defined(__pa_risc)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "pa_risc";
+# endif
+#endif
+
+
+
+
+#if defined(hp9000)
+ /* Hewlett Packard running MORE/bsd */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "hp";
+# endif
+# if (defined(hp300)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "hp300";
+# endif
+# if (defined(hp800)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "hp800";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "hp9000";
+# endif
+# if (defined(BSD4_4)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "bsd44";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "mtXinu";
+# endif
+# if (defined(hp300)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+# if (defined(hp800)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "pa_risc";
+# endif
+#endif
+
+
+
+
+#if defined(hpux) || defined(__hpux)
+ /* Hewlett Packard running HP/UX */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "hp";
+# endif
+# if (defined(__hp9000s700)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "hp9000s700";
+# endif
+# if (defined(__hp9000s800) || defined(hp9000s800)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "hp9000s800";
+# endif
+# if (defined(hp9000s500)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "hp9000s500";
+# endif
+# if (defined(__hp9000s300) || defined(hp9000s300)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "hp9000s300";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "hp";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "hpux";
+# endif
+# if (defined(__hp9000s700)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "pa_risc";
+# endif
+# if (defined(__hp9000s800) || defined(hp9000s800)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "pa_risc";
+# endif
+# if (defined(hp9000s500)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+# if (defined(__hp9000s300) || defined(hp9000s300)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+#endif
+
+
+
+
+#if defined(apollo)
+ /* Hewlett Packard apollo running Domain/OS */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "hp";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "apollo";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "DomainOS";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+#endif
+
+
+
+
+#if defined(sun) || defined(__sun__)
+ /* Sun Microsystems series 2 workstation (68010 based) */
+ /* Sun Microsystems series 3 workstation (68020 based) */
+ /* Sun Microsystems 386i workstation (386 based) */
+ /* Sun Microsystems series 4 workstation (SPARC based) */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "sun";
+# endif
+# if (defined(M_i386) && !defined(__SVR4)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "sun386i";
+# endif
+# if (defined(M_i386) && defined(__SVR4)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "i86pc";
+# endif
+# if (defined(mc68010) || defined(__mc68010__)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "sun2";
+# endif
+# if (defined(mc68020) || defined(__mc68020__)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "sun3";
+# endif
+# if (defined(sparc) || defined(__sparc__)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "sun4";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "sun";
+# endif
+# if (defined(SUNOS3)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "sunos3";
+# endif
+# if (defined(SUNOS4)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "sunos4";
+# endif
+# if (defined(SOLARIS2)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "solaris";
+# endif
+# if (defined(mc68010) || defined(__mc68010__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+# if (defined(mc68020) || defined(__mc68020__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+# if (defined(sparc) || defined(__sparc__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "sparc";
+# endif
+# if (defined(M_i386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+#endif
+
+
+
+
+#if defined(pyr)
+ /* Pyramid Technology */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "pyramid";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "pyramid";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "pyramid";
+# endif
+#endif
+
+
+
+
+#if defined(hcx) || defined(_CX_UX)
+ /* Harris Tahoe running CX/UX */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "harris";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "hcx";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "hcx";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "tahoe";
+# endif
+#endif
+
+
+
+
+#if defined(tahoe)
+ /* Harris Tahoe */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "harris";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "tahoe";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "tahoe";
+# endif
+#endif
+
+
+
+
+#if defined(ibm032)
+ /* RT running IBM AOS4.3 or MACH */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "ibm";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "rt";
+# endif
+# if (defined(MACH)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "mach";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "aos";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "ibm032";
+# endif
+#endif
+
+
+
+
+#if defined(aiws)
+ /* RT running IBM aix2.x */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "ibm";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "rtpc";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "aix";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "ibm032";
+# endif
+#endif
+
+
+
+
+#if defined(_AIX370)
+ /* IBM/370 running aix */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "ibm";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "aix370";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "aix";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "ibm370";
+# endif
+#endif
+
+
+
+
+#if defined(_IBMESA)
+ /* IBM/ESA running aix */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "ibm";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "aixESA";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "aix";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "esa";
+# endif
+#endif
+
+
+
+
+#if defined(_IBMR2)
+ /* IBM/RS6000 running aix */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "ibm";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "rs6000";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "aix";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "rs6000";
+# endif
+#endif
+
+
+
+
+#if defined(_AIXPS2)
+ /* IBM/PS2 running aix */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "ibm";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "ps2";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "aix";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+#endif
+
+
+
+
+#if defined(OREO)
+ /* Macintosh running AU/X */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "apple";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "mac2";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "aux";
+# endif
+# if (defined(mc68020)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+#endif
+
+
+
+
+#if defined(u3b20d)
+ /* AT&T 3B/20 series running SVR2/3 */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "att";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "att3b20";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "u3b20";
+# endif
+#endif
+
+
+
+
+#if defined(u3b15)
+ /* AT&T 3B/15 series running SVR2/3 */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "att";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "att3b15";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "u3b15";
+# endif
+#endif
+
+
+
+
+#if defined(u3b5)
+ /* AT&T 3B/5 series running SVR2/3 */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "att";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "att3b5";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "u3b5";
+# endif
+#endif
+
+
+
+
+#if defined(u3b2)
+ /* AT&T 3B/2 series running SVR2/3 */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "att";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "att3b2";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "u3b2";
+# endif
+#endif
+
+
+
+
+#if defined(UNIXPC)
+ /* AT&T UnixPC att3b1/att7300 */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "att";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "unixpc";
+# endif
+# if (defined(u3b1)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "u3b1";
+# endif
+# if (defined(att7300)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "att7300";
+# endif
+#endif
+
+
+
+
+#if defined(_MINIX)
+ /* Andy Tanenbaum's minix */
+# if (defined(M_i386)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "intel";
+# endif
+# if (defined(M_i386)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "minix386";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "minix";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "minix";
+# endif
+# if (defined(M_i386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+#endif
+
+
+
+
+#if defined(linux)
+ /* Linus Torvalds's linux */
+# if (defined(M_intel)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "intel";
+# endif
+# if (defined(M_i586)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "i586-linux";
+# endif
+# if (defined(M_i486)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "i486-linux";
+# endif
+# if (defined(M_i386)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "i386-linux";
+# endif
+# if (!defined(PPC)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "linux";
+# endif
+# if (defined(PPC)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "mklinux";
+# endif
+# if (defined(M_i586)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i586";
+# endif
+# if (defined(M_i486)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i486";
+# endif
+# if (defined(M_i386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+# if (defined(__alpha)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "dec";
+# endif
+# if (defined(PPC)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "apple";
+# endif
+# if (defined(__alpha)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "alpha";
+# endif
+# if (defined(PPC)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "powerpc";
+# endif
+# if (defined(__alpha)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "alpha";
+# endif
+# if (defined(PPC)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "powerpc";
+# endif
+#endif
+
+
+
+
+#if defined(__EMX__)
+ /* OS/2 EMX [unix emulation under OS/2] */
+# if (defined(M_intel)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "intel";
+# endif
+# if (defined(M_i386)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "i386-emx";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "os2";
+# endif
+# if (defined(M_i386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+#endif
+
+
+
+
+#if defined(__NetBSD__)
+ /* NetBSD */
+# if (defined(arm32)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "acorn";
+# endif
+# if (defined(alpha)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "digital";
+# endif
+# if (defined(amiga)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "commodore";
+# endif
+# if (defined(atari)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "atari";
+# endif
+# if (defined(hp300)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "hp";
+# endif
+# if (defined(M_intel)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "intel";
+# endif
+# if (defined(m68k)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "motorola";
+# endif
+# if (defined(mac68k)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "apple";
+# endif
+# if (defined(pc532)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "national-semi";
+# endif
+# if (defined(pmax) || defined(mips)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "dec";
+# endif
+# if (defined(M_mipsel)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "dec";
+# endif
+# if (defined(sparc)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "sun";
+# endif
+# if (defined(sun3)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "sun";
+# endif
+# if (defined(vax)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "digital";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "NetBSD";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "NetBSD";
+# endif
+# if (defined(arm32)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "arm32";
+# endif
+# if (defined(sparc)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "sparc";
+# endif
+# if (defined(mc68020)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+# if (defined(M_i386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+# if (defined(M_mipsel)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mipsel";
+# endif
+# if (defined(M_mipseb)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mipseb";
+# endif
+# if (defined(mips)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mips";
+# endif
+# if (defined(pc532)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "pc532";
+# endif
+# if (defined(vax)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "vax";
+# endif
+# if (defined(alpha)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "alpha";
+# endif
+#endif
+
+
+
+
+#if defined(__FreeBSD__)
+ /* FreeBSD */
+# if (defined(__alpha)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "digital";
+# endif
+# if (defined(M_intel)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "intel";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "FreeBSD";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "FreeBSD";
+# endif
+# if (defined(__alpha)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "alpha";
+# endif
+# if (defined(M_i386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+#endif
+
+
+
+
+#if defined(__386BSD__)
+ /* Bill Jolitz's 386BSD */
+# if (defined(M_intel)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "intel";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "386BSD";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "386BSD";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+#endif
+
+
+
+
+#if defined(bsdi)
+ /* BSDI's unix */
+# if (defined(M_intel)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "intel";
+# endif
+# if (defined(sparc)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "sun";
+# endif
+# if (defined(__powerpc__)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "motorola";
+# endif
+# if (defined(M_intel)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "bsd386";
+# endif
+# if (defined(sparc)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "bsd-sparc";
+# endif
+# if (defined(__powerpc__)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "bsd-powerpc";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "bsdi";
+# endif
+# if (defined(M_i386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+# if (defined(sparc)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "sparc";
+# endif
+# if (defined(__powerpc__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "powerpc";
+# endif
+#endif
+
+
+
+
+#if defined(COHERENT)
+ /* COHERENT's unix */
+# if (defined(_I386)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "intel";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "coh386";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "coherent";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "coherent";
+# endif
+# if (defined(_I386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+#endif
+
+
+
+#if defined(SCO)
+ /* SCO UNIX System V/386 Release 3.2 */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "sco";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "sco386";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "sco_unix";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+#endif
+
+
+
+#if defined(M_XENIX) && !defined(M_UNIX)
+ /* SCO XENIX */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "sco";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "sco_xenix";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "sco_xenix";
+# endif
+# if (defined(M_I386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+# if (defined(M_I286)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i286";
+# endif
+#endif
+
+
+
+
+#if defined(ISC) || defined(ISC202)
+ /* Interactive Unix */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "isc";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "isc386";
+# endif
+# if (defined(POSIX)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "POSIX";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "SVR3";
+# endif
+# if (defined(M_i386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+#endif
+
+
+
+
+#if defined(INTEL)
+ /* Intel Unix */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "intel";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "intel386";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "intel_unix";
+# endif
+# if (defined(M_i386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+#endif
+
+
+
+
+#if defined(MACH)
+ /* cmu's mach */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "cmu";
+# endif
+# if (defined(M_i386)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "i386-mach";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "mach";
+# endif
+# if (defined(M_i386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+#endif
+
+
+
+
+#if defined(alliant)
+ /* Alliants FSX */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "alliant";
+# endif
+# if (defined(mc68000)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "alliant-fx80";
+# endif
+# if (defined(i860)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "alliant-fx2800";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "alliant";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "fsx";
+# endif
+# if (defined(mc68000)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mc68000";
+# endif
+# if (defined(i860)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i860";
+# endif
+#endif
+
+
+
+
+#if defined(_FTX)
+ /* Stratus Computer, Inc FTX2 (i860 based) */
+ /* Stratus Computer, Inc FTX3 (HPPA based) */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "stratus";
+# endif
+# if (defined(i860) && defined(_FTX)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "atlantic";
+# endif
+# if (defined(__hppa) && defined(_FTX)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "continuum";
+# endif
+# if (defined(i860) && defined(_FTX)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "ftx2";
+# endif
+# if (defined(__hppa) && defined(_FTX)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "ftx3";
+# endif
+# if (defined(i860)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i860";
+# endif
+# if (defined(__hppa)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "hppa";
+# endif
+#endif
+
+
+
+
+#if defined(sequent) || defined(_SEQUENT_)
+ /* Sequent Balance (32000 based) */
+ /* Sequent Symmetry running DYNIX/ptx (386/486 based) */
+ /* Sequent Symmetry running DYNIX 3 (386/486 based) */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "sequent";
+# endif
+# if (defined(M_i386) && defined(sequent)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "symmetry";
+# endif
+# if (defined(M_i386)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "ptx";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "balance";
+# endif
+# if (defined(M_i386) && !defined(sequent)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "ptx";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "dynix3";
+# endif
+# if (defined(M_i386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+# if (defined(ns32000)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "ns32000";
+# endif
+#endif
+
+
+
+
+#if defined(ns32000)
+ /* Encore Computer Corp. Multimax (32000 based) */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "encore";
+# endif
+# if (defined(CMUCS)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "multimax";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = isamultimax(0);
+# endif
+# if (defined(CMUCS)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "mach";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = isamultimax(1);
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "ns32000";
+# endif
+#endif
+
+
+
+
+#if defined(iconuxv)
+ /* Icon 88k running Unix */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "icon";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "icon";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "iconuxv";
+# endif
+# if (defined(m88k) || defined(__m88k__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "m88k";
+# endif
+#endif
+
+
+
+
+#if defined(_CRAY) && defined(_CRAYCOM)
+ /* Cray Computer Corp. running CSOS */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "ccc";
+# endif
+# if (defined(_CRAY2)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "cray";
+# endif
+# if (defined(_CRAY3)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "cray";
+# endif
+# if (defined(_CRAY4)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "cray";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "CSOS";
+# endif
+# if (defined(_CRAY2)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "cray2";
+# endif
+# if (defined(_CRAY3)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "cray3";
+# endif
+# if (defined(_CRAY4)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "cray4";
+# endif
+#endif
+
+
+
+
+#if defined(cray) && !defined(_CRAYMPP)
+ /* Cray Research Inc. PVP running UNICOS */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "cri";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = getcray();
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "unicos";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = getcray();
+# endif
+#endif
+
+
+
+
+#if defined(cray) && defined(_CRAYT3D)
+ /* Cray Research Inc. running UNICOS MAX */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "cri";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = getcray();
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "unicosmax";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = getcray();
+# endif
+#endif
+
+
+
+
+#if defined(cray) && defined(_CRAYT3E)
+ /* Cray Research Inc. running UNICOS/mk */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "cri";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = getcray();
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "unicosmk";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = getcray();
+# endif
+#endif
+
+
+
+
+#if defined(convex)
+ /* Convex */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "convex";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "convex";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "convexos";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = getconvex();
+# endif
+#endif
+
+
+
+
+#if defined(butterfly)
+ /* BBN Butterfly 1000 */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "bbn";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "butterfly";
+# endif
+# if (defined(mc68020) || defined(__mc68020__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+#endif
+
+
+
+
+#if defined(NeXT)
+ /* NeXTStep */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "next";
+# endif
+# if (defined(mc68020) || defined(__mc68020__)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "next";
+# endif
+# if (defined(M_i386) || defined(__i386__)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "intel-pc";
+# endif
+# if (defined(hppa) || defined(__hppa__)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "hp";
+# endif
+# if (defined(sparc) || defined(__sparc__)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "sun";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "nextstep";
+# endif
+# if (defined(mc68020) || defined(__mc68020__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+# if (defined(M_i386) || defined(__i386__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+# if (defined(hppa) || defined(__hppa__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "hppa";
+# endif
+# if (defined(sparc) || defined(__sparc__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "sparc";
+# endif
+#endif
+
+
+
+
+#if defined(__APPLE__)
+ /* Rhapsody */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "apple";
+# endif
+# if (defined(__i386__)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "intel-pc";
+# endif
+# if (defined(__ppc__)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "macintosh";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "rhapsody";
+# endif
+# if (defined(__i386__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+# if (defined(__ppc__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "powerpc";
+# endif
+#endif
+
+
+
+
+#if defined(sony_news)
+ /* Sony NEWS 800 or 1700 workstation */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "sony";
+# endif
+# if (defined(mips)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "news_mips";
+# endif
+# if (defined(mc68020) || defined(__mc68020__)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "news_m68k";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "News";
+# endif
+# if (defined(mc68020) || defined(__mc68020__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+# if (defined(M_mipsel)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mipsel";
+# endif
+# if (defined(M_mipseb)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mipseb";
+# endif
+#endif
+
+
+
+
+#if defined(sgi)
+ /* Silicon Graphics */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "sgi";
+# endif
+# if (defined(M_mipsel)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "iris4d";
+# endif
+# if (defined(M_mipseb)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "iris4d";
+# endif
+# if (defined(mc68000)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "iris3d";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "irix";
+# endif
+# if (defined(M_mipsel)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mipsel";
+# endif
+# if (defined(M_mipseb)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mipseb";
+# endif
+# if (defined(mc68000)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mc68000";
+# endif
+#endif
+
+
+
+
+#if defined(ultrix) || defined(__ultrix)
+ /* Digital's Ultrix */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "dec";
+# endif
+# if (defined(M_mipsel)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "decstation";
+# endif
+# if (defined(M_mipseb)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "decmips";
+# endif
+# if (defined(vax) || defined(__vax)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "vax";
+# endif
+# if (defined(__vax__)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "vax";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "ultrix";
+# endif
+# if (defined(M_mipsel)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mipsel";
+# endif
+# if (defined(M_mipseb)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mipseb";
+# endif
+# if (defined(vax) || defined (__vax)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "vax";
+# endif
+# if (defined(__vax__)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "vax";
+# endif
+#endif
+
+
+
+
+#if defined(MIPS)
+ /* Mips OS */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "mips";
+# endif
+# if (defined(M_mipsel)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "mips";
+# endif
+# if (defined(M_mipseb)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "mips";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "mips";
+# endif
+# if (defined(M_mipsel)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mipsel";
+# endif
+# if (defined(M_mipseb)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mipseb";
+# endif
+#endif
+
+
+
+
+#if defined(DECOSF1)
+ /* Digital's alpha running osf1 */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "dec";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "osf1";
+# endif
+# if (defined(__alpha)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "alpha";
+# endif
+# if (defined(__alpha)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "alpha";
+# endif
+#endif
+
+
+
+
+#if defined(Lynx)
+ /* Lynx OS 2.1 */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "Lynx";
+# endif
+# if (defined(M_mipsel)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "lynxos-mips";
+# endif
+# if (defined(M_mipseb)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "lynxos-mips";
+# endif
+# if (defined(M_i386)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "lynxos-i386";
+# endif
+# if (defined(i860) || defined(__i860__)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "lynxos-i860";
+# endif
+# if (defined(m68k)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "lynxos-m68k";
+# endif
+# if (defined(m88k)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "lynxos-m88k";
+# endif
+# if (defined(sparc)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "lynxos-sparc";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "lynxos-unknown";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "LynxOS";
+# endif
+# if (defined(M_mipsel)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mipsel";
+# endif
+# if (defined(M_mipseb)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mipseb";
+# endif
+# if (defined(M_i386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+# if (defined(i860) || defined(__i860__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i860";
+# endif
+# if (defined(m68k)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+# if (defined(m88k)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "m88k";
+# endif
+# if (defined(sparc)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "sparc";
+# endif
+#endif
+
+
+
+
+#if defined(masscomp)
+ /* Masscomp */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "masscomp";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "masscomp";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "masscomp";
+# endif
+#endif
+
+
+
+#if defined(__MACHTEN__)
+ /* Machintosh */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "Tenon";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "Macintosh";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "MachTen";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "Macintosh";
+# endif
+#endif
+
+
+
+
+
+#if defined(GOULD_NP1)
+ /* Gould */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "gould";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "gould_np1";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "gould";
+# endif
+#endif
+
+
+
+
+#if defined(MULTIFLOW)
+ /* Multiflow running 4.3BSD */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "multiflow";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "multiflow";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "multiflow";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "bsd43";
+# endif
+#endif
+
+
+
+
+#if defined(SXA)
+ /* PFU/Fujitsu A-xx computer */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "sxa";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "pfa50";
+# endif
+# if (defined(_BSDX_)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "e60-bsdx";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "e60";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "pfa50";
+# endif
+#endif
+
+
+
+
+#if defined(titan)
+ /* (St)Ardent Titan */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "ardent";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "titan";
+# endif
+#endif
+
+
+
+
+#if defined(stellar)
+ /* Stellar */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "stellar";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "stellar";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "stellix";
+# endif
+#endif
+
+
+
+
+#if defined(atari)
+ /* Atari TT running SVR4. This machine was never */
+ /* commercially available. */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "atari";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "atari";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "asv";
+# endif
+#endif
+
+
+
+
+#if defined(OPUS)
+ /* ??? */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "opus";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "opus";
+# endif
+#endif
+
+
+
+
+#if defined(eta10)
+ /* ETA running SVR3 */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "eta";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "eta10";
+# endif
+#endif
+
+
+
+
+#if defined(hk68)
+ /* Heurikon HK68 running Uniplus+ 5.0 */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "heurikon";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "hk68";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "uniplus";
+# endif
+#endif
+
+
+
+
+#if defined(NDIX)
+ /* Norsk Data ND 500/5000 running Ndix */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "norsk";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "nd500";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "ndix";
+# endif
+#endif
+
+
+
+
+#if defined(AMIGA)
+ /* Amiga running AmigaOS+GG */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "commodore";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "amiga";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "AmigaOS";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+#endif
+
+
+
+
+#if defined(uts)
+ /* Amdahl running uts 2.1 */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "amdahl";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "amdahl";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "uts";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "amdahl";
+# endif
+#endif
+
+
+
+
+#if defined(UTek)
+ /* Tektronix 4300 running UTek (BSD 4.2 / 68020 based) */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "tektronix";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "tek4300";
+# endif
+#endif
+
+
+
+
+#if defined(UTekV)
+ /* Tektronix XD88/10 running UTekV 3.2e (SVR3/88100 based) */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "tektronix";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "tekXD88";
+# endif
+#endif
+
+
+
+
+#if defined(__DGUX__)
+ /* Data-General AViiON running DGUX */
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "aviion";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "dgux";
+# endif
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "dg";
+# endif
+# if (defined(__m88k__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "m88k";
+# endif
+# if (defined(__i386__)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "pentium";
+# endif
+#endif
+
+
+
+
+#if defined(sysV68)
+ /* Motorola MPC running System V/68 R32V2 (SVR3/68020 based) */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "motorola";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "sysV68";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+#endif
+
+
+
+
+#if defined(supermax)
+ /* DDE Supermax running System V/68 R3 (SVR3/68020 based) */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "supermax";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "supermax";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+#endif
+
+
+
+
+#if defined(sysV88)
+ /* Motorola MPC running System V/88 R32V2 (SVR3/88100 based) */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "motorola";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "sysV88";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "m88k";
+# endif
+#endif
+
+
+
+
+#if defined(__clipper__)
+ /* Clipper Chipset (Intergraph) */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "intergraph";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "clipper";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "clipper";
+# endif
+#endif
+
+
+
+
+#if defined(SNI) || defined(sinix)
+ /* Siemens Nixdorf Informationssysteme SINIX */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "sni";
+# endif
+# if (defined(M_intel)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "wx200i";
+# endif
+# if (defined(MIPSEB)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "rm400";
+# endif
+# if (defined(sinix)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "sinix";
+# endif
+# if (defined(M_i586)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i586";
+# endif
+# if (defined(M_i486)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i486";
+# endif
+# if (defined(M_i386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+# if (defined(M_mipsel)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mipsel";
+# endif
+# if (defined(M_mipseb)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "mipseb";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "mips";
+# endif
+#endif
+
+
+
+#if defined(_OSD_POSIX)
+ /* Siemens Nixdorf Informationssysteme BS2000 POSIX (mainframe, EBCDIC) */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "sni";
+# endif
+# if (defined(M_intel)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "bs2000";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "posix";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "bs2000";
+# endif
+#endif
+
+
+
+#if defined(_SX)
+ /* NEC Corporation (SX-4) */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "nec";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "superux";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "sx4";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "sx4";
+# endif
+#endif
+
+
+
+#if !defined(SOLARIS2) && (SYSVREL == 4)
+ /* Unix System V Release 4.0 */
+# if (defined(DELL)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "dell";
+# endif
+# if (defined(M_i386)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "i386";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "svr4";
+# endif
+# if (defined(M_i386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+#endif
+
+
+
+#if defined(__uxp__) || defined(__uxps__)
+ /* FUJITSU DS/90 7000 */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "fujitsu";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "ds90";
+# endif
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "sysv4";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "sparc";
+# endif
+#endif
+
+
+
+#if defined(_UWIN)
+ /* AT&T Research Unix for Windows */
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "att";
+# endif
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "win32.i386";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+#endif
+
+
+
+
+#if defined(mc68000) || defined(__mc68000__) || defined(mc68k32) || defined(m68k) || defined(mc68010) || defined(mc68020)
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "m68k";
+# endif
+# if (defined(m68k)) && !defined(_vendor_)
+# define _vendor_
+ vendor = "motorola";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "m68k";
+# endif
+#endif
+
+
+
+
+#if defined(m88k) || defined(__m88k__)
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "m88k";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "m88k";
+# endif
+#endif
+
+
+
+
+#if defined(M_intel)
+# if (defined(M_i586)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "i586";
+# endif
+# if (defined(M_i486)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "i486";
+# endif
+# if (defined(M_i386)) && !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "i386";
+# endif
+# if !defined(_vendor_)
+# define _vendor_
+ vendor = "intel";
+# endif
+# if (defined(M_i586)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i586";
+# endif
+# if (defined(M_i486)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i486";
+# endif
+# if (defined(M_i386)) && !defined(_machtype_)
+# define _machtype_
+ machtype = "i386";
+# endif
+#endif
+
+
+
+
+#if defined(sparc) || defined(__sparc__)
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "sparc";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "sparc";
+# endif
+#endif
+
+
+
+
+#if defined(i860) || defined(__i860__)
+# if !defined(_hosttype_)
+# define _hosttype_
+ hosttype = "i860";
+# endif
+# if !defined(_machtype_)
+# define _machtype_
+ machtype = "i860";
+# endif
+#endif
+
+
+
+
+#if defined(osf1)
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "osf1";
+# endif
+#endif
+
+
+
+
+#if SYSVREL == 0
+# if (defined(BSD4_4)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "bsd44";
+# endif
+# if (defined(BSD)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "bsd";
+# endif
+# if (defined(POSIX)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "posix";
+# endif
+# if (defined(unix) || defined(__unix__)) && !defined(_ostype_)
+# define _ostype_
+ ostype = "unix";
+# endif
+#endif
+
+
+
+
+#if SYSVREL == 1
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "svr1";
+# endif
+#endif
+
+
+
+
+#if SYSVREL == 2
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "svr2";
+# endif
+#endif
+
+
+
+
+#if SYSVREL == 3
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "svr3";
+# endif
+#endif
+
+
+
+
+#if SYSVREL == 4
+# if !defined(_ostype_)
+# define _ostype_
+ ostype = "svr4";
+# endif
+#endif
+
+
+#ifndef _hosttype_
+ hosttype = "unknown";
+#endif
+#ifndef _ostype_
+ ostype = "unknown";
+#endif
+#ifndef _vendor_
+ vendor = "unknown";
+#endif
+#ifndef _machtype_
+ machtype = "unknown";
+#endif
+ tsetenv(STRHOSTTYPE, str2short(hosttype));
+ tsetenv(STRVENDOR, str2short(vendor));
+ tsetenv(STROSTYPE, str2short(ostype));
+ tsetenv(STRMACHTYPE, str2short(machtype));
+} /* end setmachine */
diff --git a/bin/csh/time.c b/bin/csh/time.c
deleted file mode 100644
index bda3874..0000000
--- a/bin/csh/time.c
+++ /dev/null
@@ -1,321 +0,0 @@
-/*-
- * Copyright (c) 1980, 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)time.c 8.1 (Berkeley) 5/31/93";
-#else
-static const char rcsid[] =
- "$FreeBSD$";
-#endif
-#endif /* not lint */
-
-#include <sys/types.h>
-#if __STDC__
-# include <stdarg.h>
-#else
-# include <varargs.h>
-#endif
-
-#include "csh.h"
-#include "extern.h"
-
-/*
- * C Shell - routines handling process timing and niceing
- */
-static void pdeltat __P((struct timeval *, struct timeval *));
-
-void
-settimes()
-{
- struct rusage ruch;
-
- (void) gettimeofday(&time0, NULL);
- (void) getrusage(RUSAGE_SELF, &ru0);
- (void) getrusage(RUSAGE_CHILDREN, &ruch);
- ruadd(&ru0, &ruch);
-}
-
-/*
- * dotime is only called if it is truly a builtin function and not a
- * prefix to another command
- */
-void
-/*ARGSUSED*/
-dotime(v, t)
- Char **v;
- struct command *t;
-{
- struct timeval timedol;
- struct rusage ru1, ruch;
-
- (void) getrusage(RUSAGE_SELF, &ru1);
- (void) getrusage(RUSAGE_CHILDREN, &ruch);
- ruadd(&ru1, &ruch);
- (void) gettimeofday(&timedol, NULL);
- prusage(&ru0, &ru1, &timedol, &time0);
-}
-
-/*
- * donice is only called when it on the line by itself or with a +- value
- */
-void
-/*ARGSUSED*/
-donice(v, t)
- Char **v;
- struct command *t;
-{
- Char *cp;
- int nval = 0;
-
- v++, cp = *v++;
- if (cp == 0)
- nval = 4;
- else if (*v == 0 && any("+-", cp[0]))
- nval = getn(cp);
- (void) setpriority(PRIO_PROCESS, 0, nval);
-}
-
-void
-ruadd(ru, ru2)
- struct rusage *ru, *ru2;
-{
- tvadd(&ru->ru_utime, &ru2->ru_utime);
- tvadd(&ru->ru_stime, &ru2->ru_stime);
- if (ru2->ru_maxrss > ru->ru_maxrss)
- ru->ru_maxrss = ru2->ru_maxrss;
-
- ru->ru_ixrss += ru2->ru_ixrss;
- ru->ru_idrss += ru2->ru_idrss;
- ru->ru_isrss += ru2->ru_isrss;
- ru->ru_minflt += ru2->ru_minflt;
- ru->ru_majflt += ru2->ru_majflt;
- ru->ru_nswap += ru2->ru_nswap;
- ru->ru_inblock += ru2->ru_inblock;
- ru->ru_oublock += ru2->ru_oublock;
- ru->ru_msgsnd += ru2->ru_msgsnd;
- ru->ru_msgrcv += ru2->ru_msgrcv;
- ru->ru_nsignals += ru2->ru_nsignals;
- ru->ru_nvcsw += ru2->ru_nvcsw;
- ru->ru_nivcsw += ru2->ru_nivcsw;
-}
-
-void
-prusage(r0, r1, e, b)
- struct rusage *r0, *r1;
- struct timeval *e, *b;
-{
- time_t t =
- (r1->ru_utime.tv_sec - r0->ru_utime.tv_sec) * 100 +
- (r1->ru_utime.tv_usec - r0->ru_utime.tv_usec) / 10000 +
- (r1->ru_stime.tv_sec - r0->ru_stime.tv_sec) * 100 +
- (r1->ru_stime.tv_usec - r0->ru_stime.tv_usec) / 10000;
- char *cp;
- long i;
- struct varent *vp = adrof(STRtime);
-
- int ms =
- (e->tv_sec - b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000;
-
- cp = "%Uu %Ss %E %P %X+%Dk %I+%Oio %Fpf+%Ww";
-
- if (vp && vp->vec[0] && vp->vec[1])
- cp = short2str(vp->vec[1]);
-
- for (; *cp; cp++)
- if (*cp != '%')
- (void) fputc(*cp, cshout);
- else if (cp[1])
- switch (*++cp) {
-
- case 'U': /* user CPU time used */
- pdeltat(&r1->ru_utime, &r0->ru_utime);
- break;
-
- case 'S': /* system CPU time used */
- pdeltat(&r1->ru_stime, &r0->ru_stime);
- break;
-
- case 'E': /* elapsed (wall-clock) time */
- pcsecs((long) ms);
- break;
-
- case 'P': /* percent time spent running */
- /* check if it did not run at all */
- i = (ms == 0) ? 0 : (t * 1000 / ms);
- /* nn.n% */
- (void) fprintf(cshout, "%ld.%01ld%%", i / 10, i % 10);
- break;
-
- case 'W': /* number of swaps */
- i = r1->ru_nswap - r0->ru_nswap;
- (void) fprintf(cshout, "%ld", i);
- break;
-
- case 'X': /* (average) shared text size */
- (void) fprintf(cshout, "%ld", t == 0 ? 0L :
- (r1->ru_ixrss - r0->ru_ixrss) / t);
- break;
-
- case 'D': /* (average) unshared data size */
- (void) fprintf(cshout, "%ld", t == 0 ? 0L :
- (r1->ru_idrss + r1->ru_isrss -
- (r0->ru_idrss + r0->ru_isrss)) / t);
- break;
-
- case 'K': /* (average) total data memory used */
- (void) fprintf(cshout, "%ld", t == 0 ? 0L :
- ((r1->ru_ixrss + r1->ru_isrss + r1->ru_idrss) -
- (r0->ru_ixrss + r0->ru_idrss + r0->ru_isrss)) / t);
- break;
-
- case 'M': /* max. Resident Set Size */
- (void) fprintf(cshout, "%ld", r1->ru_maxrss / 2L);
- break;
-
- case 'F': /* page faults */
- (void) fprintf(cshout, "%ld", r1->ru_majflt - r0->ru_majflt);
- break;
-
- case 'R': /* page reclaims */
- (void) fprintf(cshout, "%ld", r1->ru_minflt - r0->ru_minflt);
- break;
-
- case 'I': /* FS blocks in */
- (void) fprintf(cshout, "%ld", r1->ru_inblock - r0->ru_inblock);
- break;
-
- case 'O': /* FS blocks out */
- (void) fprintf(cshout, "%ld", r1->ru_oublock - r0->ru_oublock);
- break;
-
- case 'r': /* socket messages received */
- (void) fprintf(cshout, "%ld", r1->ru_msgrcv - r0->ru_msgrcv);
- break;
-
- case 's': /* socket messages sent */
- (void) fprintf(cshout, "%ld", r1->ru_msgsnd - r0->ru_msgsnd);
- break;
-
- case 'k': /* number of signals received */
- (void) fprintf(cshout, "%ld", r1->ru_nsignals-r0->ru_nsignals);
- break;
-
- case 'w': /* num. voluntary context switches (waits) */
- (void) fprintf(cshout, "%ld", r1->ru_nvcsw - r0->ru_nvcsw);
- break;
-
- case 'c': /* num. involuntary context switches */
- (void) fprintf(cshout, "%ld", r1->ru_nivcsw - r0->ru_nivcsw);
- break;
- }
- (void) fputc('\n', cshout);
-}
-
-static void
-pdeltat(t1, t0)
- struct timeval *t1, *t0;
-{
- struct timeval td;
-
- tvsub(&td, t1, t0);
- (void) fprintf(cshout, "%ld.%01ld", td.tv_sec, td.tv_usec / 100000L);
-}
-
-void
-tvadd(tsum, t0)
- struct timeval *tsum, *t0;
-{
-
- tsum->tv_sec += t0->tv_sec;
- tsum->tv_usec += t0->tv_usec;
- if (tsum->tv_usec >= 1000000)
- tsum->tv_sec++, tsum->tv_usec -= 1000000;
-}
-
-void
-tvsub(tdiff, t1, t0)
- struct timeval *tdiff, *t1, *t0;
-{
-
- tdiff->tv_sec = t1->tv_sec - t0->tv_sec;
- tdiff->tv_usec = t1->tv_usec - t0->tv_usec;
- if (tdiff->tv_usec < 0)
- tdiff->tv_sec--, tdiff->tv_usec += 1000000;
-}
-
-#define P2DIG(i) (void) fprintf(cshout, "%d%d", (i) / 10, (i) % 10)
-
-void
-psecs(l)
- long l;
-{
- int i;
-
- i = l / 3600;
- if (i) {
- (void) fprintf(cshout, "%d:", i);
- i = l % 3600;
- P2DIG(i / 60);
- goto minsec;
- }
- i = l;
- (void) fprintf(cshout, "%d", i / 60);
-minsec:
- i %= 60;
- (void) fputc(':', cshout);
- P2DIG(i);
-}
-
-void
-pcsecs(l) /* PWP: print mm:ss.dd, l is in sec*100 */
- long l;
-{
- int i;
-
- i = l / 360000;
- if (i) {
- (void) fprintf(cshout, "%d:", i);
- i = (l % 360000) / 100;
- P2DIG(i / 60);
- goto minsec;
- }
- i = l / 100;
- (void) fprintf(cshout, "%d", i / 60);
-minsec:
- i %= 60;
- (void) fputc(':', cshout);
- P2DIG(i);
- (void) fputc('.', cshout);
- P2DIG((int) (l % 100));
-}
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