usr/utils/umount.c

/*
 * by rmk
 */
#include <sys/mount.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

char *progname;

int main(int argc, char *argv[])
{
	int c, flag = 0;

	progname = argv[0];

	do {
		c = getopt(argc, argv, "fli");
		if (c == EOF)
			break;
		switch (c) {
		case 'f':
			flag |= MNT_FORCE;
			break;
		case 'l':
			flag |= MNT_DETACH;
			break;
		case 'i':
			/* ignore for now; no support for umount helpers */
			break;
		case '?':
			fprintf(stderr, "%s: invalid option -%c\n",
				progname, optopt);
			exit(1);
		}
	} while (1);

	if (optind + 1 != argc) {
		fprintf(stderr, "Usage: %s [-f] [-l] [-i] mntpoint\n",
			progname);
		return 1;
	}

	if (umount2(argv[optind], flag) == -1) {
		perror("umount2");
		return 255;
	}

	return 0;
}
1	niro	532	/*
2			* by rmk
3			*/
4			#include <sys/mount.h>
5			#include <errno.h>
6			#include <stdio.h>
7			#include <stdlib.h>
8			#include <string.h>
9			#include <unistd.h>
10
11			char *progname;
12
13			int main(int argc, char *argv[])
14			{
15			int c, flag = 0;
16
17			progname = argv[0];
18
19			do {
20	niro	815	c = getopt(argc, argv, "fli");
21	niro	532	if (c == EOF)
22			break;
23			switch (c) {
24			case 'f':
25			flag \|= MNT_FORCE;
26			break;
27			case 'l':
28			flag \|= MNT_DETACH;
29			break;
30	niro	815	case 'i':
31			/* ignore for now; no support for umount helpers */
32			break;
33	niro	532	case '?':
34			fprintf(stderr, "%s: invalid option -%c\n",
35			progname, optopt);
36			exit(1);
37			}
38			} while (1);
39
40			if (optind + 1 != argc) {
41	niro	815	fprintf(stderr, "Usage: %s [-f] [-l] [-i] mntpoint\n",
42			progname);
43	niro	532	return 1;
44			}
45
46			if (umount2(argv[optind], flag) == -1) {
47			perror("umount2");
48			return 255;
49			}
50
51			return 0;
52			}