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authorjoerg <joerg@FreeBSD.org>1996-05-09 22:44:28 +0000
committerjoerg <joerg@FreeBSD.org>1996-05-09 22:44:28 +0000
commit23a9b3568dd67d5645a3e24111156a250e67f006 (patch)
tree9f0cb54101705c00051817581fe4261632528aff /usr.sbin/lpr/common_source/printcap.c
parentc78351df10aca1c5dba5dbed4c4dd74d6d886e64 (diff)
downloadFreeBSD-src-23a9b3568dd67d5645a3e24111156a250e67f006.zip
FreeBSD-src-23a9b3568dd67d5645a3e24111156a250e67f006.tar.gz
Cleanup.
The removed files are no longer needed, they are actually labelled as ``Use only if you are not 4.4BSD''. (Yeah, the ol' crufty printcap.c is really gone!) Properly declare all external objects in files ending in .h, as opposed to embed them into files ending in .c.
Diffstat (limited to 'usr.sbin/lpr/common_source/printcap.c')
-rw-r--r--usr.sbin/lpr/common_source/printcap.c551
1 files changed, 0 insertions, 551 deletions
diff --git a/usr.sbin/lpr/common_source/printcap.c b/usr.sbin/lpr/common_source/printcap.c
deleted file mode 100644
index cbbaef1..0000000
--- a/usr.sbin/lpr/common_source/printcap.c
+++ /dev/null
@@ -1,551 +0,0 @@
-/*
- * Copyright (c) 1983, 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 char sccsid[] = "@(#)printcap.c 8.2 (Berkeley) 4/28/95";
-#endif /* not lint */
-
-#include <sys/param.h>
-
-#include <fcntl.h>
-#include <dirent.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <ctype.h>
-#include <string.h>
-#include "lp.h"
-#include "pathnames.h"
-
-#ifndef BUFSIZ
-#define BUFSIZ 1024
-#endif
-#define MAXHOP 32 /* max number of tc= indirections */
-
-/*
- * getcap-style interface for the old printcap routines.
- *
- * !!!USE THIS INTERFACE ONLY IF YOU DON'T HAVE THE REAL GETCAP!!!
- */
-
-static char *pbp; /* pointer into pbuf for pgetstr() */
-static char pbuf[BUFSIZ]; /* buffer for capability strings */
-extern char line[]; /* buffer for printcap entries */
-
-int
-cgetnext(bp, db_array)
- register char **bp;
- char **db_array;
-{
- int ret;
- char *strdup();
-
- pbp = pbuf;
- ret = getprent(line);
- *bp = strdup(line);
- return (ret);
-}
-
-int
-cgetent(bp, db_array, name)
- char **bp, **db_array, *name;
-{
- int i;
-
- *bp = line;
- pbp = pbuf;
- i = pgetent(*bp, name);
- if (i < 0)
- return (-2);
- else if (i == 0)
- return (-1);
- else
- return (0);
-}
-
-char *
-cgetcap(buf, cap, type)
- char *buf, *cap;
- int type;
-{
- return ((char *) pgetflag(cap));
-}
-
-int
-cgetstr(buf, cap, str)
- char *buf, *cap;
- char **str;
-{
- char *pgetstr __P((char *, char **));
-
- if (pbp >= pbuf+BUFSIZ) {
- write(2, "Capability string buffer overflow\n", 34);
- return (-1);
- }
- return ((*str = pgetstr(cap, &pbp)) == NULL ? -1 : 0);
-}
-
-int
-cgetnum(buf, cap, num)
- char *buf, *cap;
- long *num;
-{
- return ((*num = pgetnum(cap)) < 0 ? -1 : 0);
-}
-
-int
-cgetclose()
-{
- void endprent __P((void));
-
- endprent();
- return (0);
-}
-
-
-/*
- * termcap - routines for dealing with the terminal capability data base
- *
- * BUG: Should use a "last" pointer in tbuf, so that searching
- * for capabilities alphabetically would not be a n**2/2
- * process when large numbers of capabilities are given.
- * Note: If we add a last pointer now we will screw up the
- * tc capability. We really should compile termcap.
- *
- * Essentially all the work here is scanning and decoding escapes
- * in string capabilities. We don't use stdio because the editor
- * doesn't, and because living w/o it is not hard.
- */
-
-#define PRINTCAP
-
-#ifdef PRINTCAP
-#define tgetent pgetent
-#define tskip pskip
-#define tgetstr pgetstr
-#define tdecode pdecode
-#define tgetnum pgetnum
-#define tgetflag pgetflag
-#define tdecode pdecode
-#define tnchktc pnchktc
-#define tnamatch pnamatch
-#define V6
-#endif
-
-static FILE *pfp = NULL; /* printcap data base file pointer */
-static char *tbuf;
-static int hopcount; /* detect infinite loops in termcap, init 0 */
-static int tf;
-
-char *tgetstr __P((char *, char **));
-static char *tskip __P((char *));
-static char *tdecode __P((char *, char **));
-
-/*
- * Similar to tgetent except it returns the next enrty instead of
- * doing a lookup.
- */
-int
-getprent(bp)
- register char *bp;
-{
- register int c, skip = 0;
-
- if (pfp == NULL && (pfp = fopen(_PATH_PRINTCAP, "r")) == NULL)
- return(-1);
- tbuf = bp;
- for (;;) {
- switch (c = getc(pfp)) {
- case EOF:
- fclose(pfp);
- pfp = NULL;
- return(0);
- case '\n':
- if (bp == tbuf) {
- skip = 0;
- continue;
- }
- if (bp[-1] == '\\') {
- bp--;
- continue;
- }
- *bp = '\0';
- return(1);
- case '#':
- if (bp == tbuf)
- skip++;
- default:
- if (skip)
- continue;
- if (bp >= tbuf+BUFSIZ) {
- write(2, "Termcap entry too long\n", 23);
- *bp = '\0';
- return(1);
- }
- *bp++ = c;
- }
- }
-}
-
-void
-endprent()
-{
- if (pfp != NULL) {
- /*
- * Can't use fclose here because on POSIX-compliant
- * systems, fclose() causes the file pointer of the
- * underlying file descriptor (which is possibly shared
- * with a parent process) to be adjusted, and this
- * reeks havoc in the parent because it doesn't know
- * the file pointer has changed.
- */
- (void) close(fileno(pfp));
- pfp = NULL;
- }
-}
-
-/*
- * Get an entry for terminal name in buffer bp,
- * from the termcap file. Parse is very rudimentary;
- * we just notice escaped newlines.
- */
-int
-tgetent(bp, name)
- char *bp, *name;
-{
- register char *cp;
- register int c;
- register int i = 0, cnt = 0;
- char ibuf[BUFSIZ];
-
- tbuf = bp;
-#ifndef V6
- cp = getenv("TERMCAP");
- /*
- * TERMCAP can have one of two things in it. It can be the
- * name of a file to use instead of /etc/termcap. In this
- * case it better start with a "/". Or it can be an entry to
- * use so we don't have to read the file. In this case it
- * has to already have the newlines crunched out.
- */
- if (cp && *cp) {
- if (*cp!='/') {
- cp2 = getenv("TERM");
- if (cp2==(char *) 0 || strcmp(name,cp2)==0) {
- strcpy(bp,cp);
- return(tnchktc());
- } else {
- tf = open(_PATH_PRINTCAP, 0);
- }
- } else
- tf = open(cp, 0);
- }
-#endif
- if (tf==0)
- tf = open(_PATH_PRINTCAP, 0);
- if (tf < 0)
- return (-1);
- for (;;) {
- cp = bp;
- for (;;) {
- if (i == cnt) {
- cnt = read(tf, ibuf, BUFSIZ);
- if (cnt <= 0) {
- close(tf);
- tf = 0;
- return (0);
- }
- i = 0;
- }
- c = ibuf[i++];
- if (c == '\n') {
- if (cp > bp && cp[-1] == '\\'){
- cp--;
- continue;
- }
- break;
- }
- if (cp >= bp+BUFSIZ) {
- write(2,"Termcap entry too long\n", 23);
- break;
- } else
- *cp++ = c;
- }
- *cp = 0;
-
- /*
- * The real work for the match.
- */
- if (tnamatch(name)) {
- lseek(tf, 0L, 0);
- i = tnchktc();
- if (tf) {
- close(tf);
- tf = 0;
- }
- return(i);
- }
- }
-}
-
-/*
- * tnchktc: check the last entry, see if it's tc=xxx. If so,
- * recursively find xxx and append that entry (minus the names)
- * to take the place of the tc=xxx entry. This allows termcap
- * entries to say "like an HP2621 but doesn't turn on the labels".
- * Note that this works because of the left to right scan.
- */
-int
-tnchktc()
-{
- register char *p, *q;
- char tcname[16]; /* name of similar terminal */
- char tcbuf[BUFSIZ];
- char *holdtbuf = tbuf;
- int l;
-
- p = tbuf + strlen(tbuf) - 2; /* before the last colon */
- while (*--p != ':')
- if (p<tbuf) {
- write(2, "Bad termcap entry\n", 18);
- return (0);
- }
- p++;
- /* p now points to beginning of last field */
- if (p[0] != 't' || p[1] != 'c')
- return(1);
- strcpy(tcname,p+3);
- q = tcname;
- while (q && *q != ':')
- q++;
- *q = 0;
- if (++hopcount > MAXHOP) {
- write(2, "Infinite tc= loop\n", 18);
- return (0);
- }
- if (tgetent(tcbuf, tcname) != 1)
- return(0);
- for (q=tcbuf; *q != ':'; q++)
- ;
- l = p - holdtbuf + strlen(q);
- if (l > BUFSIZ) {
- write(2, "Termcap entry too long\n", 23);
- q[BUFSIZ - (p-tbuf)] = 0;
- }
- strcpy(p, q+1);
- tbuf = holdtbuf;
- return(1);
-}
-
-/*
- * Tnamatch deals with name matching. The first field of the termcap
- * entry is a sequence of names separated by |'s, so we compare
- * against each such name. The normal : terminator after the last
- * name (before the first field) stops us.
- */
-int
-tnamatch(np)
- char *np;
-{
- register char *Np, *Bp;
-
- Bp = tbuf;
- if (*Bp == '#')
- return(0);
- for (;;) {
- for (Np = np; *Np && *Bp == *Np; Bp++, Np++)
- continue;
- if (*Np == 0 && (*Bp == '|' || *Bp == ':' || *Bp == 0))
- return (1);
- while (*Bp && *Bp != ':' && *Bp != '|')
- Bp++;
- if (*Bp == 0 || *Bp == ':')
- return (0);
- Bp++;
- }
-}
-
-/*
- * Skip to the next field. Notice that this is very dumb, not
- * knowing about \: escapes or any such. If necessary, :'s can be put
- * into the termcap file in octal.
- */
-static char *
-tskip(bp)
- register char *bp;
-{
-
- while (*bp && *bp != ':')
- bp++;
- if (*bp == ':')
- bp++;
- return (bp);
-}
-
-/*
- * Return the (numeric) option id.
- * Numeric options look like
- * li#80
- * i.e. the option string is separated from the numeric value by
- * a # character. If the option is not found we return -1.
- * Note that we handle octal numbers beginning with 0.
- */
-int
-tgetnum(id)
- char *id;
-{
- register int i, base;
- register char *bp = tbuf;
-
- for (;;) {
- bp = tskip(bp);
- if (*bp == 0)
- return (-1);
- if (*bp++ != id[0] || *bp == 0 || *bp++ != id[1])
- continue;
- if (*bp == '@')
- return(-1);
- if (*bp != '#')
- continue;
- bp++;
- base = 10;
- if (*bp == '0')
- base = 8;
- i = 0;
- while (isdigit(*bp))
- i *= base, i += *bp++ - '0';
- return (i);
- }
-}
-
-/*
- * Handle a flag option.
- * Flag options are given "naked", i.e. followed by a : or the end
- * of the buffer. Return 1 if we find the option, or 0 if it is
- * not given.
- */
-int
-tgetflag(id)
- char *id;
-{
- register char *bp = tbuf;
-
- for (;;) {
- bp = tskip(bp);
- if (!*bp)
- return (0);
- if (*bp++ == id[0] && *bp != 0 && *bp++ == id[1]) {
- if (!*bp || *bp == ':')
- return (1);
- else if (*bp == '@')
- return(0);
- }
- }
-}
-
-/*
- * Get a string valued option.
- * These are given as
- * cl=^Z
- * Much decoding is done on the strings, and the strings are
- * placed in area, which is a ref parameter which is updated.
- * No checking on area overflow.
- */
-char *
-tgetstr(id, area)
- char *id, **area;
-{
- register char *bp = tbuf;
-
- for (;;) {
- bp = tskip(bp);
- if (!*bp)
- return (0);
- if (*bp++ != id[0] || *bp == 0 || *bp++ != id[1])
- continue;
- if (*bp == '@')
- return(0);
- if (*bp != '=')
- continue;
- bp++;
- return (tdecode(bp, area));
- }
-}
-
-/*
- * Tdecode does the grung work to decode the
- * string capability escapes.
- */
-static char *
-tdecode(str, area)
- register char *str;
- char **area;
-{
- register char *cp;
- register int c;
- register char *dp;
- int i;
-
- cp = *area;
- while ((c = *str++) && c != ':') {
- switch (c) {
-
- case '^':
- c = *str++ & 037;
- break;
-
- case '\\':
- dp = "E\033^^\\\\::n\nr\rt\tb\bf\f";
- c = *str++;
-nextc:
- if (*dp++ == c) {
- c = *dp++;
- break;
- }
- dp++;
- if (*dp)
- goto nextc;
- if (isdigit(c)) {
- c -= '0', i = 2;
- do
- c <<= 3, c |= *str++ - '0';
- while (--i && isdigit(*str));
- }
- break;
- }
- *cp++ = c;
- }
- *cp++ = 0;
- str = *area;
- *area = cp;
- return (str);
-}
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