linux - include/linux/parser.h

40 lines · 1.2 KiB

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. */
14	struct match_token {
15	int token;
16	const char *pattern;
17	};
18
19	typedef struct match_token match_table_t[];
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
30	int match_token(char *, const match_table_t table, substring_t args[]);
31	int match_int(substring_t , int result);
32	int match_uint(substring_t s, unsigned int result);
33	int match_u64(substring_t , u64 result);
34	int match_octal(substring_t , int result);
35	int match_hex(substring_t , int result);
36	bool match_wildcard(const char pattern, const char str);
37	size_t match_strlcpy(char , const substring_t , size_t);
38	char match_strdup(const substring_t );
39
40	#endif /* _LINUX_PARSER_H */