[linux.git] / include / linux / parser.h

/*
 * 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.
 */


/* associates an integer enumerator with a pattern string. */
struct match_token {
	int token;
	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 *, match_table_t table, substring_t args[]);
int match_int(substring_t *, int *result);
int match_octal(substring_t *, int *result);
int match_hex(substring_t *, int *result);
void match_strcpy(char *, substring_t *);
char *match_strdup(substring_t *);
Commit	Line	Data
1da177e4 LT	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	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 *, 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	void match_strcpy(char , substring_t );
	33	char match_strdup(substring_t );