| /* |
| * 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, "f"); |
| if (c == EOF) |
| break; |
| switch (c) { |
| case 'f': |
| flag |= MNT_FORCE; |
| break; |
| case '?': |
| fprintf(stderr, "%s: invalid option -%c\n", |
| progname, optopt); |
| exit(1); |
| } |
| } while (1); |
| |
| if (optind + 1 != argc) { |
| fprintf(stderr, "Usage: %s [-f] mntpoint\n", progname); |
| return 1; |
| } |
| |
| if (umount2(argv[optind], flag) == -1) { |
| perror("umount2"); |
| return 255; |
| } |
| |
| return 0; |
| } |