-/* $NetBSD: touch.c,v 1.22 1998/08/25 20:59:42 ross Exp $ */
-
/*
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
*/
#include <sys/cdefs.h>
+
+__RCSID("$FreeBSD: src/usr.bin/touch/touch.c,v 1.20 2002/09/04 23:29:07 dwmalone Exp $");
+
#ifndef lint
-__COPYRIGHT("@(#) Copyright (c) 1993\n\
- The Regents of the University of California. All rights reserved.\n");
-#endif /* not lint */
+static const char copyright[] =
+"@(#) Copyright (c) 1993\n\
+ The Regents of the University of California. All rights reserved.\n";
+#endif
#ifndef lint
-#if 0
-static char sccsid[] = "@(#)touch.c 8.2 (Berkeley) 4/28/95";
+static const char sccsid[] = "@(#)touch.c 8.1 (Berkeley) 6/6/93";
#endif
-__RCSID("$NetBSD: touch.c,v 1.22 1998/08/25 20:59:42 ross Exp $");
-#endif /* not lint */
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <locale.h>
#include <time.h>
-#include <tzfile.h>
#include <unistd.h>
-int main __P((int, char **));
-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 rw(char *, struct stat *, int);
+void stime_arg1(char *, struct timeval *);
+void stime_arg2(char *, int, struct timeval *);
+void stime_file(char *, struct timeval *);
+void usage(void);
int
-main(argc, argv)
- int argc;
- char *argv[];
+main(int argc, char *argv[])
{
struct stat sb;
struct timeval tv[2];
- int aflag, cflag, fflag, hflag, mflag, ch, fd, len, rval, timeset;
+ int (*stat_f)(const char *, struct stat *);
+ int (*utimes_f)(const char *, const struct timeval *);
+ int aflag, cflag, fflag, mflag, ch, fd, len, rval, timeset;
char *p;
- int (*change_file_times) __P((const char *, const struct timeval *));
- int (*get_file_status) __P((const char *, struct stat *));
- setlocale(LC_ALL, "");
-
- aflag = cflag = fflag = hflag = mflag = timeset = 0;
+ aflag = cflag = fflag = mflag = timeset = 0;
+ stat_f = stat;
+ utimes_f = utimes;
if (gettimeofday(&tv[0], NULL))
err(1, "gettimeofday");
+#ifndef __APPLE__
while ((ch = getopt(argc, argv, "acfhmr:t:")) != -1)
+#else
+ while ((ch = getopt(argc, argv, "acfmr:t:")) != -1)
+#endif
switch(ch) {
case 'a':
aflag = 1;
break;
#ifndef __APPLE__
case 'h':
- hflag = 1;
+ cflag = 1;
+ stat_f = lstat;
+ utimes_f = lutimes;
break;
-#endif
+#endif /* __APPLE__ */
case 'm':
mflag = 1;
break;
if (aflag == 0 && mflag == 0)
aflag = mflag = 1;
-#ifndef __APPLE__
- if (hflag) {
- cflag = 1; /* Don't create new file */
- change_file_times = lutimes;
- get_file_status = lstat;
- } else {
-#endif
- change_file_times = utimes;
- get_file_status = stat;
-#ifndef __APPLE__
- }
-#endif
-
/*
* 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.
for (rval = 0; *argv; ++argv) {
/* See if the file exists. */
- if ((*get_file_status)(*argv, &sb)) {
+ if (stat_f(*argv, &sb) != 0) {
if (!cflag) {
/* Create the file. */
fd = open(*argv,
} 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 (!(*change_file_times)(*argv, tv))
+ if (!utimes_f(*argv, tv))
continue;
/* If the user specified a time, nothing else we can do. */
* The permission checks are different, too, in that the
* ability to write the file is sufficient. Take a shot.
*/
- if (!(*change_file_times)(*argv, NULL))
+ if (!utimes_f(*argv, NULL))
continue;
/* Try reading/writing. */
exit(rval);
}
-#define ATOI2(s) ((s) += 2, ((s)[-2] - '0') * 10 + ((s)[-1] - '0'))
+#define ATOI2(ar) ((ar)[0] - '0') * 10 + ((ar)[1] - '0'); (ar) += 2;
void
-stime_arg1(arg, tvp)
- char *arg;
- struct timeval *tvp;
+stime_arg1(char *arg, struct timeval *tvp)
{
+ time_t now;
struct tm *t;
- time_t tmptime;
int yearset;
char *p;
/* Start with the current time. */
- tmptime = tvp[0].tv_sec;
- if ((t = localtime(&tmptime)) == NULL)
+ now = tvp[0].tv_sec;
+ if ((t = localtime(&now)) == NULL)
err(1, "localtime");
/* [[CC]YY]MMDDhhmm[.SS] */
if ((p = strchr(arg, '.')) == NULL)
*p++ = '\0';
t->tm_sec = ATOI2(p);
}
-
+
yearset = 0;
- switch (strlen(arg)) {
+ switch(strlen(arg)) {
case 12: /* CCYYMMDDhhmm */
- t->tm_year = ATOI2(arg) * 100 - TM_YEAR_BASE;
+ t->tm_year = ATOI2(arg);
+ t->tm_year *= 100;
yearset = 1;
- /* FALLTHOUGH */
+ /* FALLTHROUGH */
case 10: /* YYMMDDhhmm */
if (yearset) {
- t->tm_year += ATOI2(arg);
+ yearset = ATOI2(arg);
+ t->tm_year += yearset;
} else {
yearset = ATOI2(arg);
if (yearset < 69)
- t->tm_year = yearset + 2000 - TM_YEAR_BASE;
+ t->tm_year = yearset + 2000;
else
- t->tm_year = yearset + 1900 - TM_YEAR_BASE;
+ 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 */
- /* FALLTHROUGH */
- case 6:
t->tm_mday = ATOI2(arg);
- /* FALLTHROUGH */
- case 4:
t->tm_hour = ATOI2(arg);
- /* FALLTHROUGH */
- case 2:
t->tm_min = ATOI2(arg);
break;
default:
}
void
-stime_arg2(arg, year, tvp)
- char *arg;
- int year;
- struct timeval *tvp;
+stime_arg2(char *arg, int year, struct timeval *tvp)
{
+ time_t now;
struct tm *t;
- time_t tmptime;
/* Start with the current time. */
- tmptime = tvp[0].tv_sec;
- if ((t = localtime(&tmptime)) == NULL)
+ now = tvp[0].tv_sec;
+ if ((t = localtime(&now)) == NULL)
err(1, "localtime");
t->tm_mon = ATOI2(arg); /* MMDDhhmm[yy] */
t->tm_hour = ATOI2(arg);
t->tm_min = ATOI2(arg);
if (year) {
- year = ATOI2(arg);
- if (year < 69)
- t->tm_year = year + 2000 - TM_YEAR_BASE;
- else
- t->tm_year = year + 1900 - TM_YEAR_BASE;
+ t->tm_year = ATOI2(arg);
+ if (t->tm_year < 39) /* support 2000-2038 not 1902-1969 */
+ t->tm_year += 100;
}
t->tm_isdst = -1; /* Figure out DST. */
}
void
-stime_file(fname, tvp)
- char *fname;
- struct timeval *tvp;
+stime_file(char *fname, struct timeval *tvp)
{
struct stat sb;
if (stat(fname, &sb))
err(1, "%s", fname);
- TIMESPEC_TO_TIMEVAL(&tvp[0], &sb.st_atimespec);
- TIMESPEC_TO_TIMEVAL(&tvp[1], &sb.st_mtimespec);
+ 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;
+rw(char *fname, struct stat *sbp, int force)
{
int fd, needed_chmod, rval;
u_char byte;
return (rval);
}
-__dead void
-usage()
+void
+usage(void)
{
#ifndef __APPLE__
- (void)fprintf(stderr,
- "usage: touch [-acfhm] [-r file] [-t time] file ...\n");
+ (void)fprintf(stderr, "usage: touch [-acfhm] [-r file] [-t [[CC]YY]MMDDhhmm[.SS]] file ...\n");
#else
- (void)fprintf(stderr,
- "usage: touch [-acfm] [-r file] [-t time] file ...\n");
+ (void)fprintf(stderr, "usage: touch [-acfm] [-r file] [-t [[CC]YY]MMDDhhmm[.SS]] file ...\n");
#endif
exit(1);
}
projects / apple / file_cmds.git / blobdiff