65 lines
1007 B
C
65 lines
1007 B
C
/* See LICENSE file for copyright and license details. */
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#include <mntent.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/mount.h>
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#include "util.h"
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static void
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usage(void)
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{
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eprintf("usage: %s [-alfn] target\n", argv0);
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}
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int
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main(int argc, char *argv[])
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{
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int i;
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int aflag = 0;
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int flags = 0;
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int ret = EXIT_SUCCESS;
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FILE *fp;
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struct mntent *me;
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ARGBEGIN {
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case 'a':
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aflag = 1;
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break;
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case 'f':
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flags |= MNT_FORCE;
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break;
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case 'l':
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flags |= MNT_DETACH;
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break;
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case 'n':
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break;
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default:
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usage();
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} ARGEND;
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if (argc < 1 && aflag == 0)
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usage();
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if (aflag == 1) {
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fp = setmntent("/etc/fstab", "r");
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if (!fp)
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eprintf("setmntent %s:", "/etc/fstab");
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while ((me = getmntent(fp))) {
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if (umount2(me->mnt_dir, flags) < 0) {
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weprintf("umount2:");
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ret = EXIT_FAILURE;
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}
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}
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endmntent(fp);
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return ret;
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}
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for (i = 0; i < argc; i++) {
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if (umount2(argv[i], flags) < 0) {
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weprintf("umount2:");
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ret = EXIT_FAILURE;
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}
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}
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return ret;
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}
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