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hexdecoct: make unbase64mem and unhexmem always use SIZE_MAX
[thirdparty/systemd.git] / src / basic / proc-cmdline.h
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db9ecf05 1/* SPDX-License-Identifier: LGPL-2.1-or-later */
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2#pragma once
3
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4#include <stdbool.h>
5
6#include "log.h"
7
f6dd5e7c 8typedef enum ProcCmdlineFlags {
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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;
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15
16typedef int (*proc_cmdline_parse_t)(const char *key, const char *value, void *data);
17
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18int proc_cmdline_filter_pid1_args(char **argv, char ***ret);
19
4e731273 20int proc_cmdline(char **ret);
94e0130a 21int proc_cmdline_strv(char ***ret);
1d84ad94 22
f6dd5e7c 23int proc_cmdline_parse(const proc_cmdline_parse_t parse, void *userdata, ProcCmdlineFlags flags);
1d84ad94 24
f6dd5e7c 25int proc_cmdline_get_key(const char *parameter, ProcCmdlineFlags flags, char **value);
3787934b 26int proc_cmdline_get_bool(const char *key, ProcCmdlineFlags flags, bool *ret);
1d84ad94 27
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28int 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
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31char *proc_cmdline_key_startswith(const char *s, const char *prefix);
32bool proc_cmdline_key_streq(const char *x, const char *y);
4e731273 33
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34/* A little helper call, to be used in proc_cmdline_parse_t callbacks */
35static 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}