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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
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 */ | |
97d5f09b | 13 | PROC_CMDLINE_TRUE_WHEN_MISSING = 1 << 4, /* default to true when the key is missing for bool */ |
f6dd5e7c | 14 | } ProcCmdlineFlags; |
1d84ad94 LP |
15 | |
16 | typedef int (*proc_cmdline_parse_t)(const char *key, const char *value, void *data); | |
17 | ||
6339d3e6 YW |
18 | int proc_cmdline_filter_pid1_args(char **argv, char ***ret); |
19 | ||
4e731273 | 20 | int proc_cmdline(char **ret); |
94e0130a | 21 | int proc_cmdline_strv(char ***ret); |
1d84ad94 | 22 | |
f6dd5e7c | 23 | int proc_cmdline_parse(const proc_cmdline_parse_t parse, void *userdata, ProcCmdlineFlags flags); |
1d84ad94 | 24 | |
f6dd5e7c | 25 | int proc_cmdline_get_key(const char *parameter, ProcCmdlineFlags flags, char **value); |
3787934b | 26 | int proc_cmdline_get_bool(const char *key, ProcCmdlineFlags flags, bool *ret); |
1d84ad94 | 27 | |
78b30ee0 LP |
28 | int proc_cmdline_get_key_many_internal(ProcCmdlineFlags flags, ...); |
29 | #define proc_cmdline_get_key_many(flags, ...) proc_cmdline_get_key_many_internal(flags, __VA_ARGS__, NULL) | |
30 | ||
1d84ad94 LP |
31 | char *proc_cmdline_key_startswith(const char *s, const char *prefix); |
32 | bool proc_cmdline_key_streq(const char *x, const char *y); | |
4e731273 | 33 | |
1d84ad94 LP |
34 | /* A little helper call, to be used in proc_cmdline_parse_t callbacks */ |
35 | static inline bool proc_cmdline_value_missing(const char *key, const char *value) { | |
36 | if (!value) { | |
37 | log_warning("Missing argument for %s= kernel command line switch, ignoring.", key); | |
38 | return true; | |
39 | } | |
40 | ||
41 | return false; | |
42 | } |