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/* A GNU-like <dirent.h>.
Copyright (C) 2006-2022 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This file 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _@GUARD_PREFIX@_DIRENT_H
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
@PRAGMA_COLUMNS@
/* The include_next requires a split double-inclusion guard. */
#if @HAVE_DIRENT_H@
# @INCLUDE_NEXT@ @NEXT_DIRENT_H@
#endif
#ifndef _@GUARD_PREFIX@_DIRENT_H
#define _@GUARD_PREFIX@_DIRENT_H
/* Get ino_t. Needed on some systems, including glibc 2.8. */
#include <sys/types.h>
#if !@HAVE_DIRENT_H@
/* Define types DIR and 'struct dirent'. */
# if !GNULIB_defined_struct_dirent
struct dirent
{
char d_type;
char d_name[1];
};
/* Possible values for 'd_type'. */
# define DT_UNKNOWN 0
# define DT_FIFO 1 /* FIFO */
# define DT_CHR 2 /* character device */
# define DT_DIR 4 /* directory */
# define DT_BLK 6 /* block device */
# define DT_REG 8 /* regular file */
# define DT_LNK 10 /* symbolic link */
# define DT_SOCK 12 /* socket */
# define DT_WHT 14 /* whiteout */
typedef struct gl_directory DIR;
# define GNULIB_defined_struct_dirent 1
# endif
#endif
/* _GL_ATTRIBUTE_DEALLOC (F, I) declares that the function returns pointers
that can be freed by passing them as the Ith argument to the
function F. */
#ifndef _GL_ATTRIBUTE_DEALLOC
# if __GNUC__ >= 11
# define _GL_ATTRIBUTE_DEALLOC(f, i) __attribute__ ((__malloc__ (f, i)))
# else
# define _GL_ATTRIBUTE_DEALLOC(f, i)
# endif
#endif
/* _GL_ATTRIBUTE_MALLOC declares that the function returns a pointer to freshly
allocated memory. */
/* Applies to: functions. */
#ifndef _GL_ATTRIBUTE_MALLOC
# if __GNUC__ >= 3 || defined __clang__
# define _GL_ATTRIBUTE_MALLOC __attribute__ ((__malloc__))
# else
# define _GL_ATTRIBUTE_MALLOC
# endif
#endif
/* The __attribute__ feature is available in gcc versions 2.5 and later.
The attribute __pure__ was added in gcc 2.96. */
#ifndef _GL_ATTRIBUTE_PURE
# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) || defined __clang__
# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
# else
# define _GL_ATTRIBUTE_PURE /* empty */
# endif
#endif
/* 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 @GNULIB_CLOSEDIR@
# if @REPLACE_CLOSEDIR@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef closedir
# define closedir rpl_closedir
# define GNULIB_defined_closedir 1
# endif
_GL_FUNCDECL_RPL (closedir, int, (DIR *dirp) _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (closedir, int, (DIR *dirp));
# else
# if !@HAVE_CLOSEDIR@
_GL_FUNCDECL_SYS (closedir, int, (DIR *dirp) _GL_ARG_NONNULL ((1)));
# endif
_GL_CXXALIAS_SYS (closedir, int, (DIR *dirp));
# endif
_GL_CXXALIASWARN (closedir);
#elif defined GNULIB_POSIXCHECK
# undef closedir
# if HAVE_RAW_DECL_CLOSEDIR
_GL_WARN_ON_USE (closedir, "closedir is not portable - "
"use gnulib module closedir for portability");
# endif
#endif
#if @GNULIB_OPENDIR@
# if @REPLACE_OPENDIR@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef opendir
# define opendir rpl_opendir
# define GNULIB_defined_opendir 1
# endif
_GL_FUNCDECL_RPL (opendir, DIR *,
(const char *dir_name)
_GL_ARG_NONNULL ((1))
_GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC (closedir, 1));
_GL_CXXALIAS_RPL (opendir, DIR *, (const char *dir_name));
# else
# if !@HAVE_OPENDIR@ || __GNUC__ >= 11
_GL_FUNCDECL_SYS (opendir, DIR *,
(const char *dir_name)
_GL_ARG_NONNULL ((1))
_GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC (closedir, 1));
# endif
_GL_CXXALIAS_SYS (opendir, DIR *, (const char *dir_name));
# endif
_GL_CXXALIASWARN (opendir);
#else
# if @GNULIB_CLOSEDIR@ && __GNUC__ >= 11 && !defined opendir
/* For -Wmismatched-dealloc: Associate opendir with closedir or
rpl_closedir. */
_GL_FUNCDECL_SYS (opendir, DIR *,
(const char *dir_name)
_GL_ARG_NONNULL ((1))
_GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC (closedir, 1));
# endif
# if defined GNULIB_POSIXCHECK
# undef opendir
# if HAVE_RAW_DECL_OPENDIR
_GL_WARN_ON_USE (opendir, "opendir is not portable - "
"use gnulib module opendir for portability");
# endif
# endif
#endif
#if @GNULIB_READDIR@
# if !@HAVE_READDIR@
_GL_FUNCDECL_SYS (readdir, struct dirent *, (DIR *dirp) _GL_ARG_NONNULL ((1)));
# endif
_GL_CXXALIAS_SYS (readdir, struct dirent *, (DIR *dirp));
_GL_CXXALIASWARN (readdir);
#elif defined GNULIB_POSIXCHECK
# undef readdir
# if HAVE_RAW_DECL_READDIR
_GL_WARN_ON_USE (readdir, "readdir is not portable - "
"use gnulib module readdir for portability");
# endif
#endif
#if @GNULIB_REWINDDIR@
# if !@HAVE_REWINDDIR@
_GL_FUNCDECL_SYS (rewinddir, void, (DIR *dirp) _GL_ARG_NONNULL ((1)));
# endif
_GL_CXXALIAS_SYS (rewinddir, void, (DIR *dirp));
_GL_CXXALIASWARN (rewinddir);
#elif defined GNULIB_POSIXCHECK
# undef rewinddir
# if HAVE_RAW_DECL_REWINDDIR
_GL_WARN_ON_USE (rewinddir, "rewinddir is not portable - "
"use gnulib module rewinddir for portability");
# endif
#endif
#if @GNULIB_DIRFD@
/* Return the file descriptor associated with the given directory stream,
or -1 if none exists. */
# if @REPLACE_DIRFD@
/* On kLIBC, dirfd() is a macro that does not work. Undefine it. */
# if !(defined __cplusplus && defined GNULIB_NAMESPACE) || defined dirfd
# undef dirfd
# define dirfd rpl_dirfd
# endif
_GL_FUNCDECL_RPL (dirfd, int, (DIR *) _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (dirfd, int, (DIR *));
# ifdef __KLIBC__
/* Gnulib internal hooks needed to maintain the dirfd metadata. */
_GL_EXTERN_C int _gl_register_dirp_fd (int fd, DIR *dirp)
_GL_ARG_NONNULL ((2));
_GL_EXTERN_C void _gl_unregister_dirp_fd (int fd);
# endif
# else
# if defined __cplusplus && defined GNULIB_NAMESPACE && defined dirfd
/* dirfd is defined as a macro and not as a function.
Turn it into a function and get rid of the macro. */
static inline int (dirfd) (DIR *dp) { return dirfd (dp); }
# undef dirfd
# endif
# 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_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC (closedir, 1));
_GL_CXXALIAS_RPL (fdopendir, DIR *, (int fd));
# else
# if !@HAVE_FDOPENDIR@ || !@HAVE_DECL_FDOPENDIR@ || __GNUC__ >= 11
_GL_FUNCDECL_SYS (fdopendir, DIR *,
(int fd)
_GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC (closedir, 1));
# endif
_GL_CXXALIAS_SYS (fdopendir, DIR *, (int fd));
# endif
_GL_CXXALIASWARN (fdopendir);
#else
# if @GNULIB_CLOSEDIR@ && __GNUC__ >= 11 && !defined fdopendir
/* For -Wmismatched-dealloc: Associate fdopendir with closedir or
rpl_closedir. */
_GL_FUNCDECL_SYS (fdopendir, DIR *,
(int fd)
_GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC (closedir, 1));
# endif
# if 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
#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@
_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_ATTRIBUTE_PURE
_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 /* _@GUARD_PREFIX@_DIRENT_H */
#endif /* _@GUARD_PREFIX@_DIRENT_H */
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