| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * linux/include/linux/parser.h |
| * |
| * Header for lib/parser.c |
| * Intended use of these functions is parsing filesystem argument lists, |
| * but could potentially be used anywhere else that simple option=arg |
| * parsing is required. |
| */ |
| #ifndef _LINUX_PARSER_H |
| #define _LINUX_PARSER_H |
| |
| /* associates an integer enumerator with a pattern string. */ |
| struct match_token { |
| int token; |
| const char *pattern; |
| }; |
| |
| typedef struct match_token match_table_t[]; |
| |
| /* Maximum number of arguments that match_token will find in a pattern */ |
| enum {MAX_OPT_ARGS = 3}; |
| |
| /* Describe the location within a string of a substring */ |
| typedef struct { |
| char *from; |
| char *to; |
| } substring_t; |
| |
| int match_token(char *, const match_table_t table, substring_t args[]); |
| int match_int(substring_t *, int *result); |
| int match_uint(substring_t *s, unsigned int *result); |
| int match_u64(substring_t *, u64 *result); |
| int match_octal(substring_t *, int *result); |
| int match_hex(substring_t *, int *result); |
| bool match_wildcard(const char *pattern, const char *str); |
| size_t match_strlcpy(char *, const substring_t *, size_t); |
| char *match_strdup(const substring_t *); |
| |
| #endif /* _LINUX_PARSER_H */ |