blob: 32c3d7f188a1c941ef56fdf76becb761c9026f59
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * Match fstypes for use in mount unmount |
4 | * We accept notmpfs,nfs but not notmpfs,nonfs |
5 | * This allows us to match fstypes that start with no like so |
6 | * mount -at ,noddy |
7 | * |
8 | * Returns 1 for a match, otherwise 0 |
9 | * |
10 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
11 | */ |
12 | |
13 | #include "libbb.h" |
14 | |
15 | #ifdef HAVE_MNTENT_H |
16 | |
17 | int FAST_FUNC match_fstype(const struct mntent *mt, const char *t_fstype) |
18 | { |
19 | int match = 1; |
20 | int len; |
21 | |
22 | if (!t_fstype) |
23 | return match; |
24 | |
25 | if (t_fstype[0] == 'n' && t_fstype[1] == 'o') { |
26 | match--; |
27 | t_fstype += 2; |
28 | } |
29 | |
30 | len = strlen(mt->mnt_type); |
31 | while (1) { |
32 | if (strncmp(mt->mnt_type, t_fstype, len) == 0 |
33 | && (t_fstype[len] == '\0' || t_fstype[len] == ',') |
34 | ) { |
35 | return match; |
36 | } |
37 | t_fstype = strchr(t_fstype, ','); |
38 | if (!t_fstype) |
39 | break; |
40 | t_fstype++; |
41 | } |
42 | |
43 | return !match; |
44 | } |
45 | |
46 | #endif /* HAVE_MNTENT_H */ |
47 |