]>
Commit | Line | Data |
---|---|---|
53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
a4c35b6b | 2 | |
dccca82b LP |
3 | #include <errno.h> |
4 | ||
91214a37 | 5 | #include "alloc-util.h" |
a4c35b6b LP |
6 | #include "macro.h" |
7 | #include "parse-util.h" | |
91214a37 | 8 | #include "proc-cmdline.h" |
081a0c72 | 9 | #include "string-table.h" |
a4c35b6b LP |
10 | #include "string-util.h" |
11 | #include "volatile-util.h" | |
12 | ||
91214a37 LP |
13 | int query_volatile_mode(VolatileMode *ret) { |
14 | _cleanup_free_ char *mode = NULL; | |
15 | VolatileMode m = VOLATILE_NO; | |
16 | int r; | |
17 | ||
18 | r = proc_cmdline_get_key("systemd.volatile", PROC_CMDLINE_VALUE_OPTIONAL, &mode); | |
19 | if (r < 0) | |
20 | return r; | |
21 | if (r == 0) | |
22 | goto finish; | |
23 | ||
24 | if (mode) { | |
25 | m = volatile_mode_from_string(mode); | |
26 | if (m < 0) | |
27 | return -EINVAL; | |
28 | } else | |
29 | m = VOLATILE_YES; | |
30 | ||
31 | r = 1; | |
32 | ||
33 | finish: | |
34 | *ret = m; | |
35 | return r; | |
36 | } | |
081a0c72 LP |
37 | |
38 | static const char* const volatile_mode_table[_VOLATILE_MODE_MAX] = { | |
39 | [VOLATILE_NO] = "no", | |
40 | [VOLATILE_YES] = "yes", | |
41 | [VOLATILE_STATE] = "state", | |
42 | }; | |
43 | ||
44 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(volatile_mode, VolatileMode, VOLATILE_YES); |