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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/basic/proc-cmdline.h | |
parent | Initial commit. (diff) | |
download | systemd-b750101eb236130cf056c675997decbac904cc49.tar.xz systemd-b750101eb236130cf056c675997decbac904cc49.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/basic/proc-cmdline.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/basic/proc-cmdline.h b/src/basic/proc-cmdline.h new file mode 100644 index 0000000..45f3a27 --- /dev/null +++ b/src/basic/proc-cmdline.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#include <stdbool.h> + +#include "log.h" + +typedef enum ProcCmdlineFlags { + 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) */ + PROC_CMDLINE_VALUE_OPTIONAL = 1 << 1, /* the value is optional (for boolean switches that can omit the value) */ + PROC_CMDLINE_RD_STRICT = 1 << 2, /* ignore this in the initrd */ + PROC_CMDLINE_IGNORE_EFI_OPTIONS = 1 << 3, /* don't check systemd's private EFI variable */ +} ProcCmdlineFlags; + +typedef int (*proc_cmdline_parse_t)(const char *key, const char *value, void *data); + +int proc_cmdline(char **ret); + +int proc_cmdline_parse_given(const char *line, proc_cmdline_parse_t parse_item, void *data, ProcCmdlineFlags flags); +int proc_cmdline_parse(const proc_cmdline_parse_t parse, void *userdata, ProcCmdlineFlags flags); + +int proc_cmdline_get_key(const char *parameter, ProcCmdlineFlags flags, char **value); +int proc_cmdline_get_bool(const char *key, bool *ret); + +int proc_cmdline_get_key_many_internal(ProcCmdlineFlags flags, ...); +#define proc_cmdline_get_key_many(flags, ...) proc_cmdline_get_key_many_internal(flags, __VA_ARGS__, NULL) + +char *proc_cmdline_key_startswith(const char *s, const char *prefix); +bool proc_cmdline_key_streq(const char *x, const char *y); + +/* 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; +} |