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-rw-r--r--usr.bin/sed/main.c352
1 files changed, 0 insertions, 352 deletions
diff --git a/usr.bin/sed/main.c b/usr.bin/sed/main.c
deleted file mode 100644
index 14872fd..0000000
--- a/usr.bin/sed/main.c
+++ /dev/null
@@ -1,352 +0,0 @@
-/*-
- * Copyright (c) 1992 Diomidis Spinellis.
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Diomidis Spinellis of Imperial College, University of London.
- *
- * 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 copyright[] =
-"@(#) Copyright (c) 1992, 1993\n\
- The Regents of the University of California. All rights reserved.\n";
-#endif /* not lint */
-
-#ifndef lint
-static char sccsid[] = "@(#)main.c 8.2 (Berkeley) 1/3/94";
-#endif /* not lint */
-
-#include <sys/types.h>
-
-#include <ctype.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <regex.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "defs.h"
-#include "extern.h"
-
-/*
- * Linked list of units (strings and files) to be compiled
- */
-struct s_compunit {
- struct s_compunit *next;
- enum e_cut {CU_FILE, CU_STRING} type;
- char *s; /* Pointer to string or fname */
-};
-
-/*
- * Linked list pointer to compilation units and pointer to current
- * next pointer.
- */
-static struct s_compunit *script, **cu_nextp = &script;
-
-/*
- * Linked list of files to be processed
- */
-struct s_flist {
- char *fname;
- struct s_flist *next;
-};
-
-/*
- * Linked list pointer to files and pointer to current
- * next pointer.
- */
-static struct s_flist *files, **fl_nextp = &files;
-
-int aflag, eflag, nflag;
-
-/*
- * Current file and line number; line numbers restart across compilation
- * units, but span across input files.
- */
-char *fname; /* File name. */
-u_long linenum;
-int lastline; /* TRUE on the last line of the last file */
-
-static void add_compunit __P((enum e_cut, char *));
-static void add_file __P((char *));
-
-int
-main(argc, argv)
- int argc;
- char *argv[];
-{
- int c, fflag;
-
- fflag = 0;
- while ((c = getopt(argc, argv, "ae:f:n")) != EOF)
- switch (c) {
- case 'a':
- aflag = 1;
- break;
- case 'e':
- eflag = 1;
- add_compunit(CU_STRING, optarg);
- break;
- case 'f':
- fflag = 1;
- add_compunit(CU_FILE, optarg);
- break;
- case 'n':
- nflag = 1;
- break;
- default:
- case '?':
- (void)fprintf(stderr,
-"usage:\tsed script [-an] [file ...]\n\tsed [-an] [-e script] ... [-f scipt_file] ... [file ...]\n");
- exit(1);
- }
- argc -= optind;
- argv += optind;
-
- /* First usage case; script is the first arg */
- if (!eflag && !fflag && *argv) {
- add_compunit(CU_STRING, *argv);
- argv++;
- }
-
- compile();
-
- /* Continue with first and start second usage */
- if (*argv)
- for (; *argv; argv++)
- add_file(*argv);
- else
- add_file(NULL);
- process();
- cfclose(prog, NULL);
- if (fclose(stdout))
- err(FATAL, "stdout: %s", strerror(errno));
- exit (0);
-}
-
-/*
- * Like fgets, but go through the chain of compilation units chaining them
- * together. Empty strings and files are ignored.
- */
-char *
-cu_fgets(buf, n)
- char *buf;
- int n;
-{
- static enum {ST_EOF, ST_FILE, ST_STRING} state = ST_EOF;
- static FILE *f; /* Current open file */
- static char *s; /* Current pointer inside string */
- static char string_ident[30];
- char *p;
-
-again:
- switch (state) {
- case ST_EOF:
- if (script == NULL)
- return (NULL);
- linenum = 0;
- switch (script->type) {
- case CU_FILE:
- if ((f = fopen(script->s, "r")) == NULL)
- err(FATAL,
- "%s: %s", script->s, strerror(errno));
- fname = script->s;
- state = ST_FILE;
- goto again;
- case CU_STRING:
- if ((snprintf(string_ident,
- sizeof(string_ident), "\"%s\"", script->s)) >=
- sizeof(string_ident) - 1)
- (void)strcpy(string_ident +
- sizeof(string_ident) - 6, " ...\"");
- fname = string_ident;
- s = script->s;
- state = ST_STRING;
- goto again;
- }
- case ST_FILE:
- if ((p = fgets(buf, n, f)) != NULL) {
- linenum++;
- if (linenum == 1 && buf[0] == '#' && buf[1] == 'n')
- nflag = 1;
- return (p);
- }
- script = script->next;
- (void)fclose(f);
- state = ST_EOF;
- goto again;
- case ST_STRING:
- if (linenum == 0 && s[0] == '#' && s[1] == 'n')
- nflag = 1;
- p = buf;
- for (;;) {
- if (n-- <= 1) {
- *p = '\0';
- linenum++;
- return (buf);
- }
- switch (*s) {
- case '\0':
- state = ST_EOF;
- if (s == script->s) {
- script = script->next;
- goto again;
- } else {
- script = script->next;
- *p = '\0';
- linenum++;
- return (buf);
- }
- case '\n':
- *p++ = '\n';
- *p = '\0';
- s++;
- linenum++;
- return (buf);
- default:
- *p++ = *s++;
- }
- }
- }
- /* NOTREACHED */
-}
-
-/*
- * Like fgets, but go through the list of files chaining them together.
- * Set len to the length of the line.
- */
-int
-mf_fgets(sp, spflag)
- SPACE *sp;
- enum e_spflag spflag;
-{
- static FILE *f; /* Current open file */
- size_t len;
- char c, *p;
-
- if (f == NULL)
- /* Advance to first non-empty file */
- for (;;) {
- if (files == NULL) {
- lastline = 1;
- return (0);
- }
- if (files->fname == NULL) {
- f = stdin;
- fname = "stdin";
- } else {
- fname = files->fname;
- if ((f = fopen(fname, "r")) == NULL)
- err(FATAL, "%s: %s",
- fname, strerror(errno));
- }
- if ((c = getc(f)) != EOF) {
- (void)ungetc(c, f);
- break;
- }
- (void)fclose(f);
- files = files->next;
- }
-
- if (lastline) {
- sp->len = 0;
- return (0);
- }
-
- /*
- * Use fgetln so that we can handle essentially infinite input data.
- * Can't use the pointer into the stdio buffer as the process space
- * because the ungetc() can cause it to move.
- */
- p = fgetln(f, &len);
- if (ferror(f))
- err(FATAL, "%s: %s", fname, strerror(errno ? errno : EIO));
- cspace(sp, p, len, spflag);
-
- linenum++;
- /* Advance to next non-empty file */
- while ((c = getc(f)) == EOF) {
- (void)fclose(f);
- files = files->next;
- if (files == NULL) {
- lastline = 1;
- return (1);
- }
- if (files->fname == NULL) {
- f = stdin;
- fname = "stdin";
- } else {
- fname = files->fname;
- if ((f = fopen(fname, "r")) == NULL)
- err(FATAL, "%s: %s", fname, strerror(errno));
- }
- }
- (void)ungetc(c, f);
- return (1);
-}
-
-/*
- * Add a compilation unit to the linked list
- */
-static void
-add_compunit(type, s)
- enum e_cut type;
- char *s;
-{
- struct s_compunit *cu;
-
- cu = xmalloc(sizeof(struct s_compunit));
- cu->type = type;
- cu->s = s;
- cu->next = NULL;
- *cu_nextp = cu;
- cu_nextp = &cu->next;
-}
-
-/*
- * Add a file to the linked list
- */
-static void
-add_file(s)
- char *s;
-{
- struct s_flist *fp;
-
- fp = xmalloc(sizeof(struct s_flist));
- fp->next = NULL;
- *fl_nextp = fp;
- fp->fname = s;
- fl_nextp = &fp->next;
-}
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