40 lines
1.7 KiB
C
40 lines
1.7 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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#include <stdbool.h>
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#include "log.h"
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typedef enum ProcCmdlineFlags {
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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) */
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PROC_CMDLINE_VALUE_OPTIONAL = 1 << 1, /* the value is optional (for boolean switches that can omit the value) */
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PROC_CMDLINE_RD_STRICT = 1 << 2, /* ignore this in the initrd */
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PROC_CMDLINE_IGNORE_EFI_OPTIONS = 1 << 3, /* don't check systemd's private EFI variable */
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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(char **ret);
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int proc_cmdline_parse_given(const char *line, proc_cmdline_parse_t parse_item, void *data, ProcCmdlineFlags flags);
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int proc_cmdline_parse(const proc_cmdline_parse_t parse, void *userdata, ProcCmdlineFlags flags);
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int proc_cmdline_get_key(const char *parameter, ProcCmdlineFlags flags, char **value);
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int proc_cmdline_get_bool(const char *key, 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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static inline bool proc_cmdline_value_missing(const char *key, const char *value) {
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if (!value) {
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log_warning("Missing argument for %s= kernel command line switch, ignoring.", key);
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return true;
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}
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return false;
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}
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