parser.h (1195B)
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_uint(substring_t *s, unsigned int *result); 33int match_u64(substring_t *, u64 *result); 34int match_octal(substring_t *, int *result); 35int match_hex(substring_t *, int *result); 36bool match_wildcard(const char *pattern, const char *str); 37size_t match_strlcpy(char *, const substring_t *, size_t); 38char *match_strdup(const substring_t *); 39 40#endif /* _LINUX_PARSER_H */