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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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. */
12struct match_token {
13 int token;
David Howellsef4533f2007-05-03 03:10:39 -070014 const char *pattern;
Linus Torvalds1da177e2005-04-16 15:20:36 -070015};
16
Linus Torvalds1a3f7d92008-08-04 16:50:38 -070017typedef struct match_token match_table_t[];
Linus Torvalds1da177e2005-04-16 15:20:36 -070018
19/* Maximum number of arguments that match_token will find in a pattern */
20enum {MAX_OPT_ARGS = 3};
21
22/* Describe the location within a string of a substring */
23typedef struct {
24 char *from;
25 char *to;
26} substring_t;
27
Steven Whitehousea447c092008-10-13 10:46:57 +010028int match_token(char *, const match_table_t table, substring_t args[]);
Linus Torvalds1da177e2005-04-16 15:20:36 -070029int match_int(substring_t *, int *result);
30int match_octal(substring_t *, int *result);
31int match_hex(substring_t *, int *result);
Markus Armbrusterb32a09d2008-02-26 09:57:11 -060032size_t match_strlcpy(char *, const substring_t *, size_t);
David Howellsef4533f2007-05-03 03:10:39 -070033char *match_strdup(const substring_t *);