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-rw-r--r--usr.bin/uniq/uniq.c274
1 files changed, 0 insertions, 274 deletions
diff --git a/usr.bin/uniq/uniq.c b/usr.bin/uniq/uniq.c
deleted file mode 100644
index e84f82e..0000000
--- a/usr.bin/uniq/uniq.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/*
- * Copyright (c) 1989, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Case Larsen.
- *
- * 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) 1989, 1993\n\
- The Regents of the University of California. All rights reserved.\n";
-#endif /* not lint */
-
-#ifndef lint
-static char sccsid[] = "@(#)uniq.c 8.1 (Berkeley) 6/6/93";
-#endif /* not lint */
-
-#include <errno.h>
-#include <stdio.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define MAXLINELEN (8 * 1024)
-
-int cflag, dflag, uflag;
-int numchars, numfields, repeats;
-
-void err __P((const char *, ...));
-FILE *file __P((char *, char *));
-void show __P((FILE *, char *));
-char *skip __P((char *));
-void obsolete __P((char *[]));
-void usage __P((void));
-
-int
-main (argc, argv)
- int argc;
- char *argv[];
-{
- register char *t1, *t2;
- FILE *ifp, *ofp;
- int ch;
- char *prevline, *thisline, *p;
-
- obsolete(argv);
- while ((ch = getopt(argc, argv, "-cdf:s:u")) != EOF)
- switch (ch) {
- case '-':
- --optind;
- goto done;
- case 'c':
- cflag = 1;
- break;
- case 'd':
- dflag = 1;
- break;
- case 'f':
- numfields = strtol(optarg, &p, 10);
- if (numfields < 0 || *p)
- err("illegal field skip value: %s", optarg);
- break;
- case 's':
- numchars = strtol(optarg, &p, 10);
- if (numchars < 0 || *p)
- err("illegal character skip value: %s", optarg);
- break;
- case 'u':
- uflag = 1;
- break;
- case '?':
- default:
- usage();
- }
-
-done: argc -= optind;
- argv +=optind;
-
- /* If no flags are set, default is -d -u. */
- if (cflag) {
- if (dflag || uflag)
- usage();
- } else if (!dflag && !uflag)
- dflag = uflag = 1;
-
- switch(argc) {
- case 0:
- ifp = stdin;
- ofp = stdout;
- break;
- case 1:
- ifp = file(argv[0], "r");
- ofp = stdout;
- break;
- case 2:
- ifp = file(argv[0], "r");
- ofp = file(argv[1], "w");
- break;
- default:
- usage();
- }
-
- prevline = malloc(MAXLINELEN);
- thisline = malloc(MAXLINELEN);
- if (prevline == NULL || thisline == NULL)
- err("%s", strerror(errno));
-
- if (fgets(prevline, MAXLINELEN, ifp) == NULL)
- exit(0);
-
- while (fgets(thisline, MAXLINELEN, ifp)) {
- /* If requested get the chosen fields + character offsets. */
- if (numfields || numchars) {
- t1 = skip(thisline);
- t2 = skip(prevline);
- } else {
- t1 = thisline;
- t2 = prevline;
- }
-
- /* If different, print; set previous to new value. */
- if (strcmp(t1, t2)) {
- show(ofp, prevline);
- t1 = prevline;
- prevline = thisline;
- thisline = t1;
- repeats = 0;
- } else
- ++repeats;
- }
- show(ofp, prevline);
- exit(0);
-}
-
-/*
- * show --
- * Output a line depending on the flags and number of repetitions
- * of the line.
- */
-void
-show(ofp, str)
- FILE *ofp;
- char *str;
-{
- if (cflag)
- (void)fprintf(ofp, "%4d %s", repeats + 1, str);
- if (dflag && repeats || uflag && !repeats)
- (void)fprintf(ofp, "%s", str);
-}
-
-char *
-skip(str)
- register char *str;
-{
- register int infield, nchars, nfields;
-
- for (nfields = numfields, infield = 0; nfields && *str; ++str)
- if (isspace(*str)) {
- if (infield) {
- infield = 0;
- --nfields;
- }
- } else if (!infield)
- infield = 1;
- for (nchars = numchars; nchars-- && *str; ++str);
- return(str);
-}
-
-FILE *
-file(name, mode)
- char *name, *mode;
-{
- FILE *fp;
-
- if ((fp = fopen(name, mode)) == NULL)
- err("%s: %s", name, strerror(errno));
- return(fp);
-}
-
-void
-obsolete(argv)
- char *argv[];
-{
- int len;
- char *ap, *p, *start;
-
- while (ap = *++argv) {
- /* Return if "--" or not an option of any form. */
- if (ap[0] != '-') {
- if (ap[0] != '+')
- return;
- } else if (ap[1] == '-')
- return;
- if (!isdigit(ap[1]))
- continue;
- /*
- * Digit signifies an old-style option. Malloc space for dash,
- * new option and argument.
- */
- len = strlen(ap);
- if ((start = p = malloc(len + 3)) == NULL)
- err("%s", strerror(errno));
- *p++ = '-';
- *p++ = ap[0] == '+' ? 's' : 'f';
- (void)strcpy(p, ap + 1);
- *argv = start;
- }
-}
-
-void
-usage()
-{
- (void)fprintf(stderr,
- "usage: uniq [-c | -du] [-f fields] [-s chars] [input [output]]\n");
- exit(1);
-}
-
-#if __STDC__
-#include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
-
-void
-#if __STDC__
-err(const char *fmt, ...)
-#else
-err(fmt, va_alist)
- char *fmt;
- va_dcl
-#endif
-{
- va_list ap;
-#if __STDC__
- va_start(ap, fmt);
-#else
- va_start(ap);
-#endif
- (void)fprintf(stderr, "uniq: ");
- (void)vfprintf(stderr, fmt, ap);
- va_end(ap);
- (void)fprintf(stderr, "\n");
- exit(1);
- /* NOTREACHED */
-}
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