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. */
14struct match_token {
15	int token;
16	const char *pattern;
17};
18
19typedef struct match_token match_table_t[];
20
21/* Maximum number of arguments that match_token will find in a pattern */
22enum {MAX_OPT_ARGS = 3};
23
24/* Describe the location within a string of a substring */
25typedef struct {
26	char *from;
27	char *to;
28} substring_t;
29
30int match_token(char *, const match_table_t table, substring_t args[]);
31int match_int(substring_t *, int *result);
32int match_u64(substring_t *, u64 *result);
33int match_octal(substring_t *, int *result);
34int match_hex(substring_t *, int *result);
35bool match_wildcard(const char *pattern, const char *str);
36size_t match_strlcpy(char *, const substring_t *, size_t);
37char *match_strdup(const substring_t *);
38
39#endif /* _LINUX_PARSER_H */

 
 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. */
12struct match_token {
13	int token;
14	const char *pattern;
15};
16
17typedef struct match_token match_table_t[];
18
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
28int match_token(char *, const match_table_t table, substring_t args[]);
29int match_int(substring_t *, int *result);
 
30int match_octal(substring_t *, int *result);
31int match_hex(substring_t *, int *result);
 
32size_t match_strlcpy(char *, const substring_t *, size_t);
33char *match_strdup(const substring_t *);