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Commit | Line | Data |
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5cb5a6ff LP |
1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ |
2 | ||
0301abf4 LP |
3 | #include <dirent.h> |
4 | #include <errno.h> | |
5 | ||
6 | #include "unit.h" | |
5cb5a6ff LP |
7 | #include "load-dropin.h" |
8 | ||
87f0e418 | 9 | int unit_load_dropin(Unit *u) { |
0301abf4 LP |
10 | Iterator i; |
11 | int r; | |
12 | char *t; | |
13 | ||
87f0e418 | 14 | assert(u); |
5cb5a6ff LP |
15 | |
16 | /* Load dependencies from supplementary drop-in directories */ | |
17 | ||
0301abf4 LP |
18 | SET_FOREACH(t, u->meta.names, i) { |
19 | char *path; | |
20 | DIR *d; | |
21 | struct dirent *de; | |
22 | ||
23 | if (asprintf(&path, "%s/%s.wants", unit_path(), t) < 0) | |
24 | return -ENOMEM; | |
25 | ||
26 | if (!(d = opendir(path))) { | |
27 | r = -errno; | |
28 | free(path); | |
29 | ||
30 | if (r == -ENOENT) | |
31 | continue; | |
32 | ||
33 | return r; | |
34 | } | |
35 | ||
36 | free(path); | |
37 | ||
38 | while ((de = readdir(d))) { | |
39 | Unit *other; | |
40 | ||
41 | if (de->d_name[0] == '.') | |
42 | continue; | |
43 | ||
44 | assert(de->d_name[0]); | |
45 | ||
46 | if (de->d_name[strlen(de->d_name)-1] == '~') | |
47 | continue; | |
48 | ||
49 | if (asprintf(&path, "%s/%s.wants/%s", unit_path(), t, de->d_name) < 0) { | |
50 | closedir(d); | |
51 | return -ENOMEM; | |
52 | } | |
53 | ||
54 | r = manager_load_unit(u->meta.manager, path, &other); | |
55 | free(path); | |
56 | ||
57 | if (r < 0) { | |
58 | closedir(d); | |
59 | return r; | |
60 | } | |
61 | ||
62 | if ((r = unit_add_dependency(u, UNIT_WANTS, other)) < 0) { | |
63 | closedir(d); | |
64 | return r; | |
65 | } | |
66 | } | |
67 | ||
68 | closedir(d); | |
69 | } | |
70 | ||
5cb5a6ff LP |
71 | return 0; |
72 | } |