-/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ 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.
The GNU C Library 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
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
/*
* POSIX Standard: 5.1.2 Directory Operations <dirent.h>
*/
#ifndef _DIRENT_H
-
#define _DIRENT_H 1
+
#include <features.h>
__BEGIN_DECLS
-#include <gnu/types.h>
+#include <bits/types.h>
+
+#ifdef __USE_XOPEN
+# ifndef __ino_t_defined
+# ifndef __USE_FILE_OFFSET64
+typedef __ino_t ino_t;
+# else
+typedef __ino64_t ino_t;
+# endif
+# define __ino_t_defined
+# endif
+# if defined __USE_LARGEFILE64 && !defined __ino64_t_defined
+typedef __ino64_t ino64_t;
+# define __ino64_t_defined
+# endif
+#endif
/* This file defines `struct dirent'.
member that gives the type of the file.
*/
-#include <direntry.h>
+#include <bits/dirent.h>
-#if (defined __USE_BSD || defined __USE_MISC) && !defined d_fileno
+#if defined __USE_MISC && !defined d_fileno
# define d_ino d_fileno /* Backward compatibility. */
#endif
# ifdef _DIRENT_HAVE_D_RECLEN
# define _D_ALLOC_NAMLEN(d) (((char *) (d) + (d)->d_reclen) - &(d)->d_name[0])
# else
-# define _D_ALLOC_NAMLEN(d) (sizeof (d)->d_name > 1 ? sizeof (d)->d_name : \
- _D_EXACT_NAMLEN (d) + 1)
+# define _D_ALLOC_NAMLEN(d) (sizeof (d)->d_name > 1 ? sizeof (d)->d_name \
+ : _D_EXACT_NAMLEN (d) + 1)
# endif
#endif
-#ifdef __USE_BSD
+#ifdef __USE_MISC
/* File types for `d_type'. */
enum
{
DT_UNKNOWN = 0,
+# define DT_UNKNOWN DT_UNKNOWN
DT_FIFO = 1,
+# define DT_FIFO DT_FIFO
DT_CHR = 2,
+# define DT_CHR DT_CHR
DT_DIR = 4,
+# define DT_DIR DT_DIR
DT_BLK = 6,
+# define DT_BLK DT_BLK
DT_REG = 8,
+# define DT_REG DT_REG
DT_LNK = 10,
- DT_SOCK = 12
+# define DT_LNK DT_LNK
+ DT_SOCK = 12,
+# define DT_SOCK DT_SOCK
+ DT_WHT = 14
+# define DT_WHT DT_WHT
};
/* Convert between stat structure types and directory types. */
typedef struct __dirstream DIR;
/* Open a directory stream on NAME.
- Return a DIR stream on the directory, or NULL if it could not be opened. */
-extern DIR *__opendir __P ((__const char *__name));
-extern DIR *opendir __P ((__const char *__name));
+ Return a DIR stream on the directory, or NULL if it could not be opened.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern DIR *opendir (const char *__name) __nonnull ((1));
+
+#ifdef __USE_XOPEN2K8
+/* Same as opendir, but open the stream on the file descriptor FD.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern DIR *fdopendir (int __fd);
+#endif
/* Close the directory stream DIRP.
- Return 0 if successful, -1 if not. */
-extern int __closedir __P ((DIR *__dirp));
-extern int closedir __P ((DIR *__dirp));
-
-/* Read a directory entry from DIRP.
- Return a pointer to a `struct dirent' describing the entry,
- or NULL for EOF or error. The storage returned may be overwritten
- by a later readdir call on the same DIR stream. */
-extern struct dirent *__readdir __P ((DIR *__dirp));
-extern struct dirent *readdir __P ((DIR *__dirp));
-
-#if defined __USE_POSIX || defined __USE_MISC
+ Return 0 if successful, -1 if not.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int closedir (DIR *__dirp) __nonnull ((1));
+
+/* Read a directory entry from DIRP. Return a pointer to a `struct
+ dirent' describing the entry, or NULL for EOF or error. The
+ storage returned may be overwritten by a later readdir call on the
+ same DIR stream.
+
+ If the Large File Support API is selected we have to use the
+ appropriate interface.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+#ifndef __USE_FILE_OFFSET64
+extern struct dirent *readdir (DIR *__dirp) __nonnull ((1));
+#else
+# ifdef __REDIRECT
+extern struct dirent *__REDIRECT (readdir, (DIR *__dirp), readdir64)
+ __nonnull ((1));
+# else
+# define readdir readdir64
+# endif
+#endif
+
+#ifdef __USE_LARGEFILE64
+extern struct dirent64 *readdir64 (DIR *__dirp) __nonnull ((1));
+#endif
+
+#ifdef __USE_POSIX
/* Reentrant version of `readdir'. Return in RESULT a pointer to the
- next entry. */
-extern int __readdir_r __P ((DIR *__dirp, struct dirent *__entry,
- struct dirent **__result));
-extern int readdir_r __P ((DIR *__dirp, struct dirent *__entry,
- struct dirent **__result));
+ next entry.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+# ifndef __USE_FILE_OFFSET64
+extern int readdir_r (DIR *__restrict __dirp,
+ struct dirent *__restrict __entry,
+ struct dirent **__restrict __result)
+ __nonnull ((1, 2, 3)) __attribute_deprecated__;
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (readdir_r,
+ (DIR *__restrict __dirp,
+ struct dirent *__restrict __entry,
+ struct dirent **__restrict __result),
+ readdir64_r)
+ __nonnull ((1, 2, 3)) __attribute_deprecated__;
+# else
+# define readdir_r readdir64_r
+# endif
+# endif
+
+# ifdef __USE_LARGEFILE64
+extern int readdir64_r (DIR *__restrict __dirp,
+ struct dirent64 *__restrict __entry,
+ struct dirent64 **__restrict __result)
+ __nonnull ((1, 2, 3)) __attribute_deprecated__;
+# endif
#endif /* POSIX or misc */
/* Rewind DIRP to the beginning of the directory. */
-extern void rewinddir __P ((DIR *__dirp));
+extern void rewinddir (DIR *__dirp) __THROW __nonnull ((1));
+
+#if defined __USE_MISC || defined __USE_XOPEN
+# include <bits/types.h>
-#if defined __USE_BSD || defined __USE_MISC
+/* Seek to position POS on DIRP. */
+extern void seekdir (DIR *__dirp, long int __pos) __THROW __nonnull ((1));
+
+/* Return the current position of DIRP. */
+extern long int telldir (DIR *__dirp) __THROW __nonnull ((1));
+#endif
+
+#ifdef __USE_XOPEN2K8
/* Return the file descriptor used by DIRP. */
-extern int dirfd __P ((DIR *__dirp));
+extern int dirfd (DIR *__dirp) __THROW __nonnull ((1));
# if defined __OPTIMIZE__ && defined _DIR_dirfd
# define dirfd(dirp) _DIR_dirfd (dirp)
# endif
-# ifndef MAXNAMLEN
+# ifdef __USE_MISC
+# ifndef MAXNAMLEN
/* Get the definitions of the POSIX.1 limits. */
-# include <posix1_lim.h>
+# include <bits/posix1_lim.h>
/* `MAXNAMLEN' is the BSD name for what POSIX calls `NAME_MAX'. */
-# ifdef NAME_MAX
-# define MAXNAMLEN NAME_MAX
-# else
-# define MAXNAMLEN 255
+# ifdef NAME_MAX
+# define MAXNAMLEN NAME_MAX
+# else
+# define MAXNAMLEN 255
+# endif
# endif
# endif
-# include <gnu/types.h>
# define __need_size_t
# include <stddef.h>
-/* Seek to position POS on DIRP. */
-extern void seekdir __P ((DIR *__dirp, __off_t __pos));
-
-/* Return the current position of DIRP. */
-extern __off_t telldir __P ((DIR *__dirp));
-
/* Scan the directory DIR, calling SELECTOR on each directory entry.
Entries for which SELECT 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. */
-extern int scandir __P ((__const char *__dir,
- struct dirent ***__namelist,
- int (*__selector) __P ((struct dirent *)),
- int (*__cmp) __P ((__const __ptr_t,
- __const __ptr_t))));
+ *NAMELIST. Returns the number of entries selected, or -1 on error.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+# ifndef __USE_FILE_OFFSET64
+extern int scandir (const char *__restrict __dir,
+ struct dirent ***__restrict __namelist,
+ int (*__selector) (const struct dirent *),
+ int (*__cmp) (const struct dirent **,
+ const struct dirent **))
+ __nonnull ((1, 2));
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (scandir,
+ (const char *__restrict __dir,
+ struct dirent ***__restrict __namelist,
+ int (*__selector) (const struct dirent *),
+ int (*__cmp) (const struct dirent **,
+ const struct dirent **)),
+ scandir64) __nonnull ((1, 2));
+# else
+# define scandir scandir64
+# endif
+# endif
-/* Function to compare two `struct dirent's alphabetically. */
-extern int alphasort __P ((__const __ptr_t, __const __ptr_t));
+# if defined __USE_GNU && defined __USE_LARGEFILE64
+/* This function is like `scandir' but it uses the 64bit dirent structure.
+ Please note that the CMP function must now work with struct dirent64 **. */
+extern int scandir64 (const char *__restrict __dir,
+ struct dirent64 ***__restrict __namelist,
+ int (*__selector) (const struct dirent64 *),
+ int (*__cmp) (const struct dirent64 **,
+ const struct dirent64 **))
+ __nonnull ((1, 2));
+# endif
# ifdef __USE_GNU
-/* Function to compare two `struct dirent's by name & version. */
-extern int versionsort __P ((__const __ptr_t, __const __ptr_t));
-#endif
+/* Similar to `scandir' but a relative DIR name is interpreted relative
+ to the directory for which DFD is a descriptor.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+# ifndef __USE_FILE_OFFSET64
+extern int scandirat (int __dfd, const char *__restrict __dir,
+ struct dirent ***__restrict __namelist,
+ int (*__selector) (const struct dirent *),
+ int (*__cmp) (const struct dirent **,
+ const struct dirent **))
+ __nonnull ((2, 3));
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (scandirat,
+ (int __dfd, const char *__restrict __dir,
+ struct dirent ***__restrict __namelist,
+ int (*__selector) (const struct dirent *),
+ int (*__cmp) (const struct dirent **,
+ const struct dirent **)),
+ scandirat64) __nonnull ((2, 3));
+# else
+# define scandirat scandirat64
+# endif
+# endif
+
+/* This function is like `scandir' but it uses the 64bit dirent structure.
+ Please note that the CMP function must now work with struct dirent64 **. */
+extern int scandirat64 (int __dfd, const char *__restrict __dir,
+ struct dirent64 ***__restrict __namelist,
+ int (*__selector) (const struct dirent64 *),
+ int (*__cmp) (const struct dirent64 **,
+ const struct dirent64 **))
+ __nonnull ((2, 3));
+# endif
+
+/* Function to compare two `struct dirent's alphabetically. */
+# ifndef __USE_FILE_OFFSET64
+extern int alphasort (const struct dirent **__e1,
+ const struct dirent **__e2)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT_NTH (alphasort,
+ (const struct dirent **__e1,
+ const struct dirent **__e2),
+ alphasort64) __attribute_pure__ __nonnull ((1, 2));
+# else
+# define alphasort alphasort64
+# endif
+# endif
+
+# if defined __USE_GNU && defined __USE_LARGEFILE64
+extern int alphasort64 (const struct dirent64 **__e1,
+ const struct dirent64 **__e2)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+# endif
+#endif /* Use XPG7. */
+
+#ifdef __USE_MISC
/* Read directory entries from FD into BUF, reading at most NBYTES.
Reading starts at offset *BASEP, and *BASEP is updated with the new
position after reading. Returns the number of bytes read; zero when at
end of directory; or -1 for errors. */
-extern __ssize_t __getdirentries __P ((int __fd, char *__buf,
- size_t __nbytes, __off_t *__basep));
-extern __ssize_t getdirentries __P ((int __fd, char *__buf,
- size_t __nbytes, __off_t *__basep));
+# ifndef __USE_FILE_OFFSET64
+extern __ssize_t getdirentries (int __fd, char *__restrict __buf,
+ size_t __nbytes,
+ __off_t *__restrict __basep)
+ __THROW __nonnull ((2, 4));
+# else
+# ifdef __REDIRECT
+extern __ssize_t __REDIRECT_NTH (getdirentries,
+ (int __fd, char *__restrict __buf,
+ size_t __nbytes,
+ __off64_t *__restrict __basep),
+ getdirentries64) __nonnull ((2, 4));
+# else
+# define getdirentries getdirentries64
+# endif
+# endif
+# ifdef __USE_LARGEFILE64
+extern __ssize_t getdirentries64 (int __fd, char *__restrict __buf,
+ size_t __nbytes,
+ __off64_t *__restrict __basep)
+ __THROW __nonnull ((2, 4));
+# endif
+#endif /* Use misc. */
-#endif /* Use BSD or misc. */
+#ifdef __USE_GNU
+/* Function to compare two `struct dirent's by name & version. */
+# ifndef __USE_FILE_OFFSET64
+extern int versionsort (const struct dirent **__e1,
+ const struct dirent **__e2)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT_NTH (versionsort,
+ (const struct dirent **__e1,
+ const struct dirent **__e2),
+ versionsort64)
+ __attribute_pure__ __nonnull ((1, 2));
+# else
+# define versionsort versionsort64
+# endif
+# endif
+
+# ifdef __USE_LARGEFILE64
+extern int versionsort64 (const struct dirent64 **__e1,
+ const struct dirent64 **__e2)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+# endif
+#endif /* Use GNU. */
__END_DECLS
projects / thirdparty / glibc.git / blobdiff