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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
4e731273 LP |
2 | #pragma once |
3 | ||
1d84ad94 LP |
4 | #include <stdbool.h> |
5 | ||
6 | #include "log.h" | |
7 | ||
f6dd5e7c | 8 | typedef enum ProcCmdlineFlags { |
09835de3 LP |
9 | PROC_CMDLINE_STRIP_RD_PREFIX = 1 << 0, /* automatically strip "rd." prefix if it is set (and we are in the initrd, since otherwise we'd not consider it anyway) */ |
10 | PROC_CMDLINE_VALUE_OPTIONAL = 1 << 1, /* the value is optional (for boolean switches that can omit the value) */ | |
11 | PROC_CMDLINE_RD_STRICT = 1 << 2, /* ignore this in the initrd */ | |
12 | PROC_CMDLINE_IGNORE_EFI_OPTIONS = 1 << 3, /* don't check systemd's private EFI variable */ | |
f6dd5e7c | 13 | } ProcCmdlineFlags; |
1d84ad94 LP |
14 | |
15 | typedef int (*proc_cmdline_parse_t)(const char *key, const char *value, void *data); | |
16 | ||
4e731273 | 17 | int proc_cmdline(char **ret); |
1d84ad94 | 18 | |
f6dd5e7c LP |
19 | int proc_cmdline_parse_given(const char *line, proc_cmdline_parse_t parse_item, void *data, ProcCmdlineFlags flags); |
20 | int proc_cmdline_parse(const proc_cmdline_parse_t parse, void *userdata, ProcCmdlineFlags flags); | |
1d84ad94 | 21 | |
f6dd5e7c | 22 | int proc_cmdline_get_key(const char *parameter, ProcCmdlineFlags flags, char **value); |
1d84ad94 LP |
23 | int proc_cmdline_get_bool(const char *key, bool *ret); |
24 | ||
78b30ee0 LP |
25 | int proc_cmdline_get_key_many_internal(ProcCmdlineFlags flags, ...); |
26 | #define proc_cmdline_get_key_many(flags, ...) proc_cmdline_get_key_many_internal(flags, __VA_ARGS__, NULL) | |
27 | ||
1d84ad94 LP |
28 | char *proc_cmdline_key_startswith(const char *s, const char *prefix); |
29 | bool proc_cmdline_key_streq(const char *x, const char *y); | |
4e731273 | 30 | |
1d84ad94 LP |
31 | /* A little helper call, to be used in proc_cmdline_parse_t callbacks */ |
32 | static inline bool proc_cmdline_value_missing(const char *key, const char *value) { | |
33 | if (!value) { | |
34 | log_warning("Missing argument for %s= kernel command line switch, ignoring.", key); | |
35 | return true; | |
36 | } | |
37 | ||
38 | return false; | |
39 | } |