75 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* vi: set sw=4 ts=4: */
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| /*
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|  * Mini touch implementation for busybox
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|  *
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|  * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
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|  * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
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|  *
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|  * This program is free software; you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation; either version 2 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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|  * General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write to the Free Software
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|  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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|  *
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|  */
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| 
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| #include <stdio.h>
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| #include <sys/types.h>
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| #include <fcntl.h>
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| #include <utime.h>
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| #include <errno.h>
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| #include <unistd.h>
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| #include <stdlib.h>
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| #include "busybox.h"
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| 
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| extern int touch_main(int argc, char **argv)
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| {
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| 	int fd;
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| 	int create = TRUE;
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| 
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| 	/* Parse options */
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| 	while (--argc > 0 && **(++argv) == '-') {
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| 		while (*(++(*argv))) {
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| 			switch (**argv) {
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| 			case 'c':
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| 				create = FALSE;
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| 				break;
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| 			default:
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| 				show_usage();
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| 			}
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| 		}
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| 	}
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| 
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| 	if (argc < 1) {
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| 		show_usage();
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| 	}
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| 
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| 	while (argc > 0) {
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| 		fd = open(*argv, (create == FALSE) ? O_RDWR : O_RDWR | O_CREAT,
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| 				S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
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| 		if (fd < 0) {
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| 			if (create == FALSE && errno == ENOENT)
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| 				return EXIT_SUCCESS;
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| 			else {
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| 				perror_msg_and_die("%s", *argv);
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| 			}
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| 		}
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| 		close(fd);
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| 		if (utime(*argv, NULL)) {
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| 			perror_msg_and_die("%s", *argv);
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| 		}
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| 		argc--;
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| 		argv++;
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| 	}
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| 
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| 	return EXIT_SUCCESS;
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| }
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