mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-11-24 12:19:49 +00:00
86 lines
1.8 KiB
C
86 lines
1.8 KiB
C
/*
|
|
* Mini touch implementation for busybox
|
|
*
|
|
* Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
|
|
#include "internal.h"
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <utime.h>
|
|
#include <errno.h>
|
|
|
|
|
|
const char touch_usage[] = "touch [-c] file [file ...]\n\n"
|
|
"\tUpdate the last-modified date on the given file[s].\n";
|
|
|
|
|
|
|
|
extern int
|
|
touch_main(int argc, char **argv)
|
|
{
|
|
int fd;
|
|
int create=TRUE;
|
|
|
|
if (argc < 2) {
|
|
fprintf(stderr, "Usage: %s %s", *argv, touch_usage);
|
|
exit( FALSE);
|
|
}
|
|
argc--;
|
|
argv++;
|
|
|
|
/* Parse options */
|
|
while (**argv == '-') {
|
|
while (*++(*argv)) switch (**argv) {
|
|
case 'c':
|
|
create = FALSE;
|
|
break;
|
|
default:
|
|
fprintf(stderr, "Unknown option: %c\n", **argv);
|
|
exit( FALSE);
|
|
}
|
|
argc--;
|
|
argv++;
|
|
}
|
|
|
|
fd = open (*argv, (create==FALSE)? O_RDWR : O_RDWR | O_CREAT, 0644);
|
|
if (fd < 0 ) {
|
|
if (create==FALSE && errno == ENOENT)
|
|
exit( TRUE);
|
|
else {
|
|
perror("touch");
|
|
exit( FALSE);
|
|
}
|
|
}
|
|
close( fd);
|
|
if (utime (*argv, NULL)) {
|
|
perror("touch");
|
|
exit( FALSE);
|
|
}
|
|
else
|
|
exit( TRUE);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|