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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
/* Get ino_t. Needed on some systems, including glibc 2.8. */
#include <sys/types.h>
/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
/* The definition of _GL_ARG_NONNULL is copied here. */
/* The definition of _GL_WARN_ON_USE is copied here. */
/* Declare overridden functions. */
#if @REPLACE_CLOSEDIR@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define closedir rpl_closedir
# endif
_GL_FUNCDECL_RPL (closedir, int, (DIR *) _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (closedir, int, (DIR *));
#else
_GL_CXXALIAS_SYS (closedir, int, (DIR *));
#endif
_GL_CXXALIASWARN (closedir);
#if @GNULIB_DIRFD@
/* Return the file descriptor associated with the given directory stream,
or -1 if none exists. */
# if @REPLACE_DIRFD@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef dirfd
# define dirfd rpl_dirfd
# endif
_GL_FUNCDECL_RPL (dirfd, int, (DIR *) _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (dirfd, int, (DIR *));
# else
# if !(@HAVE_DECL_DIRFD@ || defined dirfd)
_GL_FUNCDECL_SYS (dirfd, int, (DIR *) _GL_ARG_NONNULL ((1)));
# endif
_GL_CXXALIAS_SYS (dirfd, int, (DIR *));
# endif
_GL_CXXALIASWARN (dirfd);
#elif defined GNULIB_POSIXCHECK
# undef dirfd
# if HAVE_RAW_DECL_DIRFD
_GL_WARN_ON_USE (dirfd, "dirfd is unportable - "
"use gnulib module dirfd for portability");
# endif
#endif
#if @GNULIB_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). */
# if @REPLACE_FDOPENDIR@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef fdopendir
# define fdopendir rpl_fdopendir
# endif
_GL_FUNCDECL_RPL (fdopendir, DIR *, (int fd));
_GL_CXXALIAS_RPL (fdopendir, DIR *, (int fd));
# else
# if !@HAVE_FDOPENDIR@ || !@HAVE_DECL_FDOPENDIR@
_GL_FUNCDECL_SYS (fdopendir, DIR *, (int fd));
# endif
_GL_CXXALIAS_SYS (fdopendir, DIR *, (int fd));
# endif
_GL_CXXALIASWARN (fdopendir);
#elif defined GNULIB_POSIXCHECK
# undef fdopendir
# if HAVE_RAW_DECL_FDOPENDIR
_GL_WARN_ON_USE (fdopendir, "fdopendir is unportable - "
"use gnulib module fdopendir for portability");
# endif
#endif
#if @REPLACE_OPENDIR@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define opendir rpl_opendir
# endif
_GL_FUNCDECL_RPL (opendir, DIR *, (const char *) _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (opendir, DIR *, (const char *));
#else
_GL_CXXALIAS_SYS (opendir, DIR *, (const char *));
#endif
_GL_CXXALIASWARN (opendir);
#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@
_GL_FUNCDECL_SYS (scandir, int,
(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
/* Need to cast, because on glibc systems, the fourth parameter is
int (*cmp) (const void *, const void *). */
_GL_CXXALIAS_SYS_CAST (scandir, int,
(const char *dir, struct dirent ***namelist,
int (*filter) (const struct dirent *),
int (*cmp) (const struct dirent **, const struct dirent **)));
_GL_CXXALIASWARN (scandir);
#elif defined GNULIB_POSIXCHECK
# undef scandir
# if HAVE_RAW_DECL_SCANDIR
_GL_WARN_ON_USE (scandir, "scandir is unportable - "
"use gnulib module scandir for portability");
# endif
#endif
#if @GNULIB_ALPHASORT@
/* Compare two 'struct dirent' entries alphabetically. */
# if !@HAVE_ALPHASORT@
_GL_FUNCDECL_SYS (alphasort, int,
(const struct dirent **, const struct dirent **)
_GL_ARG_NONNULL ((1, 2)));
# endif
/* Need to cast, because on glibc systems, the parameters are
(const void *, const void *). */
_GL_CXXALIAS_SYS_CAST (alphasort, int,
(const struct dirent **, const struct dirent **));
_GL_CXXALIASWARN (alphasort);
#elif defined GNULIB_POSIXCHECK
# undef alphasort
# if HAVE_RAW_DECL_ALPHASORT
_GL_WARN_ON_USE (alphasort, "alphasort is unportable - "
"use gnulib module alphasort for portability");
# endif
#endif
#endif /* _GL_DIRENT_H */
#endif /* _GL_DIRENT_H */
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