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