Contents of /trunk/mkinitrd-magellan/busybox/libbb/mtab.c
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Sat Sep 1 22:45:15 2007 UTC (17 years ago) by niro
File MIME type: text/plain
File size: 1390 byte(s)
Sat Sep 1 22:45:15 2007 UTC (17 years ago) by niro
File MIME type: text/plain
File size: 1390 byte(s)
-import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * Utility routines. |
4 | * |
5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> |
6 | * |
7 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
8 | */ |
9 | |
10 | #include <mntent.h> |
11 | #include "libbb.h" |
12 | |
13 | #if ENABLE_FEATURE_MTAB_SUPPORT |
14 | void erase_mtab(const char *name) |
15 | { |
16 | struct mntent *entries = NULL; |
17 | int i, count = 0; |
18 | FILE *mountTable; |
19 | struct mntent *m; |
20 | |
21 | mountTable = setmntent(bb_path_mtab_file, "r"); |
22 | /* Bummer. Fall back on trying the /proc filesystem */ |
23 | if (!mountTable) mountTable = setmntent("/proc/mounts", "r"); |
24 | if (!mountTable) { |
25 | bb_perror_msg(bb_path_mtab_file); |
26 | return; |
27 | } |
28 | |
29 | while ((m = getmntent(mountTable)) != 0) { |
30 | i = count++; |
31 | entries = xrealloc(entries, count * sizeof(entries[0])); |
32 | entries[i].mnt_fsname = xstrdup(m->mnt_fsname); |
33 | entries[i].mnt_dir = xstrdup(m->mnt_dir); |
34 | entries[i].mnt_type = xstrdup(m->mnt_type); |
35 | entries[i].mnt_opts = xstrdup(m->mnt_opts); |
36 | entries[i].mnt_freq = m->mnt_freq; |
37 | entries[i].mnt_passno = m->mnt_passno; |
38 | } |
39 | endmntent(mountTable); |
40 | |
41 | mountTable = setmntent(bb_path_mtab_file, "w"); |
42 | if (mountTable) { |
43 | for (i = 0; i < count; i++) { |
44 | if (strcmp(entries[i].mnt_fsname, name) != 0 |
45 | && strcmp(entries[i].mnt_dir, name) != 0) |
46 | addmntent(mountTable, &entries[i]); |
47 | } |
48 | endmntent(mountTable); |
49 | } else if (errno != EROFS) |
50 | bb_perror_msg(bb_path_mtab_file); |
51 | } |
52 | #endif |