53e1b68390
This follows what the kernel is doing, c.f. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5fd54ace4721fc5ce2bb5aef6318fcf17f421460.
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
|
|
#pragma once
|
|
|
|
/***
|
|
This file is part of systemd.
|
|
|
|
Copyright 2010 Lennart Poettering
|
|
|
|
systemd is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or
|
|
(at your option) any later version.
|
|
|
|
systemd is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
***/
|
|
|
|
#include <stdbool.h>
|
|
|
|
#include "log.h"
|
|
|
|
enum {
|
|
PROC_CMDLINE_STRIP_RD_PREFIX = 1,
|
|
PROC_CMDLINE_VALUE_OPTIONAL = 2,
|
|
};
|
|
|
|
typedef int (*proc_cmdline_parse_t)(const char *key, const char *value, void *data);
|
|
|
|
int proc_cmdline(char **ret);
|
|
|
|
int proc_cmdline_parse(const proc_cmdline_parse_t parse, void *userdata, unsigned flags);
|
|
|
|
int proc_cmdline_get_key(const char *parameter, unsigned flags, char **value);
|
|
int proc_cmdline_get_bool(const char *key, bool *ret);
|
|
|
|
char *proc_cmdline_key_startswith(const char *s, const char *prefix);
|
|
bool proc_cmdline_key_streq(const char *x, const char *y);
|
|
|
|
int shall_restore_state(void);
|
|
const char* runlevel_to_target(const char *rl);
|
|
|
|
/* A little helper call, to be used in proc_cmdline_parse_t callbacks */
|
|
static inline bool proc_cmdline_value_missing(const char *key, const char *value) {
|
|
if (!value) {
|
|
log_warning("Missing argument for %s= kernel command line switch, ignoring.", key);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|