usr/utils/umount.c

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