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Commit | Line | Data |
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0b0c231f KZ |
1 | |
2 | #include "c.h" | |
3 | #include "nls.h" | |
0b0c231f KZ |
4 | #include "xalloc.h" |
5 | ||
18b3e549 KZ |
6 | #include "swapon-common.h" |
7 | ||
0b0c231f KZ |
8 | /* |
9 | * content of /proc/swaps and /etc/fstab | |
10 | */ | |
11 | static struct libmnt_table *swaps, *fstab; | |
12 | ||
13 | struct libmnt_cache *mntcache; | |
14 | ||
1cd9d0d7 KZ |
15 | static int table_parser_errcb(struct libmnt_table *tb __attribute__((__unused__)), |
16 | const char *filename, int line) | |
17 | { | |
18 | if (filename) | |
b779c1ae | 19 | warnx(_("%s: parse error at line %d -- ignored"), filename, line); |
1cd9d0d7 KZ |
20 | return 1; |
21 | } | |
22 | ||
0b0c231f KZ |
23 | struct libmnt_table *get_fstab(void) |
24 | { | |
25 | if (!fstab) { | |
26 | fstab = mnt_new_table(); | |
27 | if (!fstab) | |
28 | return NULL; | |
1cd9d0d7 | 29 | mnt_table_set_parser_errcb(fstab, table_parser_errcb); |
0b0c231f KZ |
30 | mnt_table_set_cache(fstab, mntcache); |
31 | if (mnt_table_parse_fstab(fstab, NULL) != 0) | |
32 | return NULL; | |
33 | } | |
34 | ||
35 | return fstab; | |
36 | } | |
37 | ||
38 | struct libmnt_table *get_swaps(void) | |
39 | { | |
40 | if (!swaps) { | |
41 | swaps = mnt_new_table(); | |
42 | if (!swaps) | |
43 | return NULL; | |
44 | mnt_table_set_cache(swaps, mntcache); | |
1cd9d0d7 | 45 | mnt_table_set_parser_errcb(swaps, table_parser_errcb); |
0b0c231f KZ |
46 | if (mnt_table_parse_swaps(swaps, NULL) != 0) |
47 | return NULL; | |
48 | } | |
49 | ||
50 | return swaps; | |
51 | } | |
52 | ||
53 | void free_tables(void) | |
54 | { | |
50fccba1 KZ |
55 | mnt_unref_table(swaps); |
56 | mnt_unref_table(fstab); | |
0b0c231f KZ |
57 | } |
58 | ||
59 | int match_swap(struct libmnt_fs *fs, void *data __attribute__((unused))) | |
60 | { | |
61 | return fs && mnt_fs_is_swaparea(fs); | |
62 | } | |
63 | ||
64 | int is_active_swap(const char *filename) | |
65 | { | |
66 | struct libmnt_table *st = get_swaps(); | |
e7b63bea | 67 | return st && mnt_table_find_source(st, filename, MNT_ITER_BACKWARD); |
0b0c231f KZ |
68 | } |
69 | ||
70 | ||
71 | int cannot_find(const char *special) | |
72 | { | |
73 | warnx(_("cannot find the device for %s"), special); | |
74 | return -1; | |
75 | } | |
76 | ||
77 | /* | |
78 | * Lists with -L and -U option | |
79 | */ | |
80 | static const char **llist; | |
81 | static size_t llct; | |
82 | static const char **ulist; | |
83 | static size_t ulct; | |
84 | ||
85 | ||
86 | void add_label(const char *label) | |
87 | { | |
fea1cbf7 | 88 | llist = xrealloc(llist, (++llct) * sizeof(char *)); |
0b0c231f KZ |
89 | llist[llct - 1] = label; |
90 | } | |
91 | ||
92 | const char *get_label(size_t i) | |
93 | { | |
94 | return i < llct ? llist[i] : NULL; | |
95 | } | |
96 | ||
97 | size_t numof_labels(void) | |
98 | { | |
99 | return llct; | |
100 | } | |
101 | ||
102 | void add_uuid(const char *uuid) | |
103 | { | |
fea1cbf7 | 104 | ulist = xrealloc(ulist, (++ulct) * sizeof(char *)); |
0b0c231f KZ |
105 | ulist[ulct - 1] = uuid; |
106 | } | |
107 | ||
108 | const char *get_uuid(size_t i) | |
109 | { | |
110 | return i < ulct ? ulist[i] : NULL; | |
111 | } | |
112 | ||
113 | size_t numof_uuids(void) | |
114 | { | |
115 | return ulct; | |
116 | } | |
117 |