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-rw-r--r--usr.bin/touch/touch.c342
1 files changed, 0 insertions, 342 deletions
diff --git a/usr.bin/touch/touch.c b/usr.bin/touch/touch.c
deleted file mode 100644
index 46efb64..0000000
--- a/usr.bin/touch/touch.c
+++ /dev/null
@@ -1,342 +0,0 @@
-/*
- * Copyright (c) 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 copyright[] =
-"@(#) Copyright (c) 1993\n\
- The Regents of the University of California. All rights reserved.\n";
-#endif /* not lint */
-
-#ifndef lint
-static char sccsid[] = "@(#)touch.c 8.1 (Berkeley) 6/6/93";
-#endif /* not lint */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-
-#include <err.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-
-int rw __P((char *, struct stat *, int));
-void stime_arg1 __P((char *, struct timeval *));
-void stime_arg2 __P((char *, int, struct timeval *));
-void stime_file __P((char *, struct timeval *));
-void usage __P((void));
-
-int
-main(argc, argv)
- int argc;
- char *argv[];
-{
- struct stat sb;
- struct timeval tv[2];
- int aflag, cflag, fflag, mflag, ch, fd, len, rval, timeset;
- char *p;
-
- aflag = cflag = fflag = mflag = timeset = 0;
- if (gettimeofday(&tv[0], NULL))
- err(1, "gettimeofday");
-
- while ((ch = getopt(argc, argv, "acfmr:t:")) != EOF)
- switch(ch) {
- case 'a':
- aflag = 1;
- break;
- case 'c':
- cflag = 1;
- break;
- case 'f':
- fflag = 1;
- break;
- case 'm':
- mflag = 1;
- break;
- case 'r':
- timeset = 1;
- stime_file(optarg, tv);
- break;
- case 't':
- timeset = 1;
- stime_arg1(optarg, tv);
- break;
- case '?':
- default:
- usage();
- }
- argc -= optind;
- argv += optind;
-
- /* Default is both -a and -m. */
- if (aflag == 0 && mflag == 0)
- aflag = mflag = 1;
-
- /*
- * If no -r or -t flag, at least two operands, the first of which
- * is an 8 or 10 digit number, use the obsolete time specification.
- */
- if (!timeset && argc > 1) {
- (void)strtol(argv[0], &p, 10);
- len = p - argv[0];
- if (*p == '\0' && (len == 8 || len == 10)) {
- timeset = 1;
- stime_arg2(*argv++, len == 10, tv);
- }
- }
-
- /* Otherwise use the current time of day. */
- if (!timeset)
- tv[1] = tv[0];
-
- if (*argv == NULL)
- usage();
-
- for (rval = 0; *argv; ++argv) {
- /* See if the file exists. */
- if (stat(*argv, &sb))
- if (!cflag) {
- /* Create the file. */
- fd = open(*argv,
- O_WRONLY | O_CREAT, DEFFILEMODE);
- if (fd == -1 || fstat(fd, &sb) || close(fd)) {
- rval = 1;
- warn("%s", *argv);
- continue;
- }
-
- /* If using the current time, we're done. */
- if (!timeset)
- continue;
- } else
- continue;
-
- if (!aflag)
- TIMESPEC_TO_TIMEVAL(&tv[0], &sb.st_atimespec);
- if (!mflag)
- TIMESPEC_TO_TIMEVAL(&tv[1], &sb.st_mtimespec);
-
- /* Try utimes(2). */
- if (!utimes(*argv, tv))
- continue;
-
- /* If the user specified a time, nothing else we can do. */
- if (timeset) {
- rval = 1;
- warn("%s", *argv);
- }
-
- /*
- * System V and POSIX 1003.1 require that a NULL argument
- * set the access/modification times to the current time.
- * The permission checks are different, too, in that the
- * ability to write the file is sufficient. Take a shot.
- */
- if (!utimes(*argv, NULL))
- continue;
-
- /* Try reading/writing. */
- if (rw(*argv, &sb, fflag))
- rval = 1;
- }
- exit(rval);
-}
-
-#define ATOI2(ar) ((ar)[0] - '0') * 10 + ((ar)[1] - '0'); (ar) += 2;
-
-void
-stime_arg1(arg, tvp)
- char *arg;
- struct timeval *tvp;
-{
- struct tm *t;
- int yearset;
- char *p;
- /* Start with the current time. */
- if ((t = localtime(&tvp[0].tv_sec)) == NULL)
- err(1, "localtime");
- /* [[CC]YY]MMDDhhmm[.SS] */
- if ((p = strchr(arg, '.')) == NULL)
- t->tm_sec = 0; /* Seconds defaults to 0. */
- else {
- if (strlen(p + 1) != 2)
- goto terr;
- *p++ = '\0';
- t->tm_sec = ATOI2(p);
- }
-
- yearset = 0;
- switch(strlen(arg)) {
- case 12: /* CCYYMMDDhhmm */
- t->tm_year = ATOI2(arg);
- t->tm_year *= 1000;
- yearset = 1;
- /* FALLTHOUGH */
- case 10: /* YYMMDDhhmm */
- if (yearset) {
- yearset = ATOI2(arg);
- t->tm_year += yearset;
- } else {
- yearset = ATOI2(arg);
- if (yearset < 69)
- t->tm_year = yearset + 2000;
- else
- t->tm_year = yearset + 1900;
- }
- t->tm_year -= 1900; /* Convert to UNIX time. */
- /* FALLTHROUGH */
- case 8: /* MMDDhhmm */
- t->tm_mon = ATOI2(arg);
- --t->tm_mon; /* Convert from 01-12 to 00-11 */
- t->tm_mday = ATOI2(arg);
- t->tm_hour = ATOI2(arg);
- t->tm_min = ATOI2(arg);
- break;
- default:
- goto terr;
- }
-
- t->tm_isdst = -1; /* Figure out DST. */
- tvp[0].tv_sec = tvp[1].tv_sec = mktime(t);
- if (tvp[0].tv_sec == -1)
-terr: errx(1,
- "out of range or illegal time specification: [[CC]YY]MMDDhhmm[.SS]");
-
- tvp[0].tv_usec = tvp[1].tv_usec = 0;
-}
-
-void
-stime_arg2(arg, year, tvp)
- char *arg;
- int year;
- struct timeval *tvp;
-{
- struct tm *t;
- /* Start with the current time. */
- if ((t = localtime(&tvp[0].tv_sec)) == NULL)
- err(1, "localtime");
-
- t->tm_mon = ATOI2(arg); /* MMDDhhmm[yy] */
- --t->tm_mon; /* Convert from 01-12 to 00-11 */
- t->tm_mday = ATOI2(arg);
- t->tm_hour = ATOI2(arg);
- t->tm_min = ATOI2(arg);
- if (year)
- t->tm_year = ATOI2(arg);
-
- t->tm_isdst = -1; /* Figure out DST. */
- tvp[0].tv_sec = tvp[1].tv_sec = mktime(t);
- if (tvp[0].tv_sec == -1)
- errx(1,
- "out of range or illegal time specification: MMDDhhmm[yy]");
-
- tvp[0].tv_usec = tvp[1].tv_usec = 0;
-}
-
-void
-stime_file(fname, tvp)
- char *fname;
- struct timeval *tvp;
-{
- struct stat sb;
-
- if (stat(fname, &sb))
- err(1, "%s", fname);
- TIMESPEC_TO_TIMEVAL(tvp, &sb.st_atimespec);
- TIMESPEC_TO_TIMEVAL(tvp + 1, &sb.st_mtimespec);
-}
-
-int
-rw(fname, sbp, force)
- char *fname;
- struct stat *sbp;
- int force;
-{
- int fd, needed_chmod, rval;
- u_char byte;
-
- /* Try regular files and directories. */
- if (!S_ISREG(sbp->st_mode) && !S_ISDIR(sbp->st_mode)) {
- warnx("%s: %s", fname, strerror(EFTYPE));
- return (1);
- }
-
- needed_chmod = rval = 0;
- if ((fd = open(fname, O_RDWR, 0)) == -1) {
- if (!force || chmod(fname, DEFFILEMODE))
- goto err;
- if ((fd = open(fname, O_RDWR, 0)) == -1)
- goto err;
- needed_chmod = 1;
- }
-
- if (sbp->st_size != 0) {
- if (read(fd, &byte, sizeof(byte)) != sizeof(byte))
- goto err;
- if (lseek(fd, (off_t)0, SEEK_SET) == -1)
- goto err;
- if (write(fd, &byte, sizeof(byte)) != sizeof(byte))
- goto err;
- } else {
- if (write(fd, &byte, sizeof(byte)) != sizeof(byte)) {
-err: rval = 1;
- warn("%s", fname);
- } else if (ftruncate(fd, (off_t)0)) {
- rval = 1;
- warn("%s: file modified", fname);
- }
- }
-
- if (close(fd) && rval != 1) {
- rval = 1;
- warn("%s", fname);
- }
- if (needed_chmod && chmod(fname, sbp->st_mode) && rval != 1) {
- rval = 1;
- warn("%s: permissions modified", fname);
- }
- return (rval);
-}
-
-__dead void
-usage()
-{
- (void)fprintf(stderr,
- "usage: touch [-acfm] [-r file] [-t time] file ...\n");
- exit(1);
-}
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