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/* A GNU-like <dirent.h>.
Copyright (C) 2006-2010 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef _GL_DIRENT_H
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
/* The include_next requires a split double-inclusion guard. */
#@INCLUDE_NEXT@ @NEXT_DIRENT_H@
#ifndef _GL_DIRENT_H
#define _GL_DIRENT_H
/* The definition of GL_LINK_WARNING is copied here. */
/* The definition of _GL_ARG_NONNULL is copied here. */
#ifdef __cplusplus
extern "C" {
#endif
/* Declare overridden functions. */
#if @REPLACE_CLOSEDIR@
# define closedir rpl_closedir
extern int closedir (DIR *) _GL_ARG_NONNULL ((1));
#endif
#if @GNULIB_DIRFD@
# if !@HAVE_DECL_DIRFD@ && !defined dirfd
/* Return the file descriptor associated with the given directory stream,
or -1 if none exists. */
extern int dirfd (DIR *dir) _GL_ARG_NONNULL ((1));
# endif
#elif defined GNULIB_POSIXCHECK
# undef dirfd
# define dirfd(d) \
(GL_LINK_WARNING ("dirfd is unportable - " \
"use gnulib module dirfd for portability"), \
dirfd (d))
#endif
#if @GNULIB_FDOPENDIR@
# if @REPLACE_FDOPENDIR@
# undef fdopendir
# define fdopendir rpl_fdopendir
# endif
# if !@HAVE_FDOPENDIR@ || @REPLACE_FDOPENDIR@
/* Open a directory stream visiting the given directory file
descriptor. Return NULL and set errno if fd is not visiting a
directory. On success, this function consumes fd (it will be
implicitly closed either by this function or by a subsequent
closedir). */
extern DIR *fdopendir (int fd);
# endif
#elif defined GNULIB_POSIXCHECK
# undef fdopendir
# define fdopendir(f) \
(GL_LINK_WARNING ("fdopendir is unportable - " \
"use gnulib module fdopendir for portability"), \
fdopendir (f))
#endif
#if @REPLACE_OPENDIR@
# define opendir rpl_opendir
extern DIR * opendir (const char *) _GL_ARG_NONNULL ((1));
#endif
#if @GNULIB_SCANDIR@
/* Scan the directory DIR, calling FILTER on each directory entry.
Entries for which FILTER returns nonzero are individually malloc'd,
sorted using qsort with CMP, and collected in a malloc'd array in
*NAMELIST. Returns the number of entries selected, or -1 on error. */
# if !@HAVE_SCANDIR@
extern int scandir (const char *dir, struct dirent ***namelist,
int (*filter) (const struct dirent *),
int (*cmp) (const struct dirent **, const struct dirent **))
_GL_ARG_NONNULL ((1, 2, 4));
# endif
#elif defined GNULIB_POSIXCHECK
# undef scandir
# define scandir(d,n,f,c) \
(GL_LINK_WARNING ("scandir is unportable - " \
"use gnulib module scandir for portability"), \
scandir (d, n, f, c))
#endif
#if @GNULIB_ALPHASORT@
/* Compare two 'struct dirent' entries alphabetically. */
# if !@HAVE_ALPHASORT@
extern int alphasort (const struct dirent **, const struct dirent **)
_GL_ARG_NONNULL ((1, 2));
# endif
#elif defined GNULIB_POSIXCHECK
# undef alphasort
# define alphasort(a,b) \
(GL_LINK_WARNING ("alphasort is unportable - " \
"use gnulib module alphasort for portability"), \
alphasort (a, b))
#endif
#ifdef __cplusplus
}
#endif
#endif /* _GL_DIRENT_H */
#endif /* _GL_DIRENT_H */
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