1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * linux/include/linux/parser.h |
4 | * |
5 | * Header for lib/parser.c |
6 | * Intended use of these functions is parsing filesystem argument lists, |
7 | * but could potentially be used anywhere else that simple option=arg |
8 | * parsing is required. |
9 | */ |
10 | #ifndef _LINUX_PARSER_H |
11 | #define _LINUX_PARSER_H |
12 | |
13 | /* associates an integer enumerator with a pattern string. */ |
14 | struct match_token { |
15 | int token; |
16 | const char *pattern; |
17 | }; |
18 | |
19 | typedef struct match_token match_table_t[]; |
20 | |
21 | /* Maximum number of arguments that match_token will find in a pattern */ |
22 | enum {MAX_OPT_ARGS = 3}; |
23 | |
24 | /* Describe the location within a string of a substring */ |
25 | typedef struct { |
26 | char *from; |
27 | char *to; |
28 | } substring_t; |
29 | |
30 | int match_token(char *, const match_table_t table, substring_t args[]); |
31 | int match_int(substring_t *, int *result); |
32 | int match_uint(substring_t *s, unsigned int *result); |
33 | int match_u64(substring_t *, u64 *result); |
34 | int match_octal(substring_t *, int *result); |
35 | int match_hex(substring_t *, int *result); |
36 | bool match_wildcard(const char *pattern, const char *str); |
37 | size_t match_strlcpy(char *, const substring_t *, size_t); |
38 | char *match_strdup(const substring_t *); |
39 | |
40 | #endif /* _LINUX_PARSER_H */ |
41 | |