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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
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 | */ | |
8b859960 EB |
10 | #ifndef _LINUX_PARSER_H |
11 | #define _LINUX_PARSER_H | |
1da177e4 LT |
12 | |
13 | /* associates an integer enumerator with a pattern string. */ | |
14 | struct match_token { | |
15 | int token; | |
ef4533f8 | 16 | const char *pattern; |
1da177e4 LT |
17 | }; |
18 | ||
1a3f7d98 | 19 | typedef struct match_token match_table_t[]; |
1da177e4 LT |
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 | ||
a447c093 | 30 | int match_token(char *, const match_table_t table, substring_t args[]); |
1da177e4 | 31 | int match_int(substring_t *, int *result); |
01531ac3 | 32 | int match_uint(substring_t *s, unsigned int *result); |
a317178e | 33 | int match_u64(substring_t *, u64 *result); |
1da177e4 LT |
34 | int match_octal(substring_t *, int *result); |
35 | int match_hex(substring_t *, int *result); | |
aace0509 | 36 | bool match_wildcard(const char *pattern, const char *str); |
b32a09db | 37 | size_t match_strlcpy(char *, const substring_t *, size_t); |
ef4533f8 | 38 | char *match_strdup(const substring_t *); |
8b859960 EB |
39 | |
40 | #endif /* _LINUX_PARSER_H */ |