38 lines
2.0 KiB
C
38 lines
2.0 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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#include "forward.h"
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typedef enum ProcCmdlineFlags {
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PROC_CMDLINE_RD_STRICT = 1 << 0, /* Only look at options with the "rd." prefix when in the initrd and only
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* at options without the prefix when not in the initrd.
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*/
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PROC_CMDLINE_STRIP_RD_PREFIX = 1 << 1, /* Automatically strip "rd." prefix if we are in the initrd.
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* When this is specified, the handler function must check for unprefixed
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* option names. */
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PROC_CMDLINE_VALUE_OPTIONAL = 1 << 2, /* The value is optional (for boolean switches that can omit the value). */
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PROC_CMDLINE_TRUE_WHEN_MISSING = 1 << 3, /* Make proc_cmdline_get_bool() return true instead of false (the default)
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* when the key is not present on the command line. */
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} ProcCmdlineFlags;
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typedef int (*proc_cmdline_parse_t)(const char *key, const char *value, void *data);
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int proc_cmdline_filter_pid1_args(char **argv, char ***ret);
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int proc_cmdline(char **ret);
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int proc_cmdline_strv(char ***ret);
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int proc_cmdline_parse(proc_cmdline_parse_t parse, void *userdata, ProcCmdlineFlags flags);
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int proc_cmdline_get_key(const char *key, ProcCmdlineFlags flags, char **ret_value);
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int proc_cmdline_get_bool(const char *key, ProcCmdlineFlags flags, bool *ret);
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int proc_cmdline_get_key_many_internal(ProcCmdlineFlags flags, ...);
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#define proc_cmdline_get_key_many(flags, ...) proc_cmdline_get_key_many_internal(flags, __VA_ARGS__, NULL)
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char* proc_cmdline_key_startswith(const char *s, const char *prefix);
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bool proc_cmdline_key_streq(const char *x, const char *y);
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/* A little helper call, to be used in proc_cmdline_parse_t callbacks */
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bool proc_cmdline_value_missing(const char *key, const char *value);
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