include/linux/parser.h

   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
  11
  12 /* associates an integer enumerator with a pattern string. */
  13 struct match_token {
  14         int token;
  15         const char *pattern;
  16 };
  17
  18 typedef struct match_token match_table_t[];
  19
  20 /* Maximum number of arguments that match_token will find in a pattern */
  21 enum {MAX_OPT_ARGS = 3};
  22
  23 /* Describe the location within a string of a substring */
  24 typedef struct {
  25         char *from;
  26         char *to;
  27 } substring_t;
  28
  29 int match_token(char *, const match_table_t table, substring_t args[]);
  30 int match_int(substring_t *, int *result);
  31 int match_u64(substring_t *, u64 *result);
  32 int match_octal(substring_t *, int *result);
  33 int match_hex(substring_t *, int *result);
  34 bool match_wildcard(const char *pattern, const char *str);
  35 size_t match_strlcpy(char *, const substring_t *, size_t);
  36 char *match_strdup(const substring_t *);