1/* Copyright (C) 1991-2025 Free Software Foundation, Inc.
 2   This file is part of the GNU C Library.
 3
 4   The GNU C Library is free software; you can redistribute it and/or
 5   modify it under the terms of the GNU Lesser General Public
 6   License as published by the Free Software Foundation; either
 7   version 2.1 of the License, or (at your option) any later version.
 8
 9   The GNU C Library is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with the GNU C Library; if not, see
16   <https://www.gnu.org/licenses/>.  */
17
18#ifndef	_FNMATCH_H
19#define	_FNMATCH_H	1
20
21#ifdef	__cplusplus
22extern "C" {
23#endif
24
25/* We #undef these before defining them because some losing systems
26   (HP-UX A.08.07 for example) define these in <unistd.h>.  */
27#undef	FNM_PATHNAME
28#undef	FNM_NOESCAPE
29#undef	FNM_PERIOD
30
31/* Bits set in the FLAGS argument to `fnmatch'.  */
32#define	FNM_PATHNAME	(1 << 0) /* No wildcard can ever match `/'.  */
33#define	FNM_NOESCAPE	(1 << 1) /* Backslashes don't quote special chars.  */
34#define	FNM_PERIOD	(1 << 2) /* Leading `.' is matched only explicitly.  */
35
36#if !defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 2 || defined _GNU_SOURCE
37# define FNM_FILE_NAME	 FNM_PATHNAME	/* Preferred GNU name.  */
38# define FNM_LEADING_DIR (1 << 3)	/* Ignore `/...' after a match.  */
39# define FNM_CASEFOLD	 (1 << 4)	/* Compare without regard to case.  */
40# define FNM_EXTMATCH	 (1 << 5)	/* Use ksh-like extended matching. */
41#endif
42
43/* Value returned by `fnmatch' if STRING does not match PATTERN.  */
44#define	FNM_NOMATCH	1
45
46/* This value is returned if the implementation does not support
47   `fnmatch'.  Since this is not the case here it will never be
48   returned but the conformance test suites still require the symbol
49   to be defined.  */
50#ifdef _XOPEN_SOURCE
51# define FNM_NOSYS	(-1)
52#endif
53
54/* Match NAME against the filename pattern PATTERN,
55   returning zero if it matches, FNM_NOMATCH if not.  */
56extern int fnmatch (const char *__pattern, const char *__name, int __flags);
57
58#ifdef	__cplusplus
59}
60#endif
61
62#endif /* fnmatch.h */