1 /* SPDX-License-Identifier: LGPL-2.1+ */
8 typedef enum ProcCmdlineFlags
{
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 */
15 typedef int (*proc_cmdline_parse_t
)(const char *key
, const char *value
, void *data
);
17 int proc_cmdline(char **ret
);
19 int proc_cmdline_parse_given(const char *line
, proc_cmdline_parse_t parse_item
, void *data
, ProcCmdlineFlags flags
);
20 int proc_cmdline_parse(const proc_cmdline_parse_t parse
, void *userdata
, ProcCmdlineFlags flags
);
22 int proc_cmdline_get_key(const char *parameter
, ProcCmdlineFlags flags
, char **value
);
23 int proc_cmdline_get_bool(const char *key
, bool *ret
);
25 int proc_cmdline_get_key_many_internal(ProcCmdlineFlags flags
, ...);
26 #define proc_cmdline_get_key_many(flags, ...) proc_cmdline_get_key_many_internal(flags, __VA_ARGS__, NULL)
28 char *proc_cmdline_key_startswith(const char *s
, const char *prefix
);
29 bool proc_cmdline_key_streq(const char *x
, const char *y
);
31 /* A little helper call, to be used in proc_cmdline_parse_t callbacks */
32 static inline bool proc_cmdline_value_missing(const char *key
, const char *value
) {
34 log_warning("Missing argument for %s= kernel command line switch, ignoring.", key
);