linux-zen-server/include/linux/parser.h

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2023-08-30 17:53:23 +02:00
/* 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 */