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