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