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