-/* Copyright (C) 1991-2000, 2003-2005, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
/*
* POSIX Standard: 5.1.2 Directory Operations <dirent.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
{
This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern DIR *opendir (__const char *__name) __nonnull ((1));
+extern DIR *opendir (const char *__name) __nonnull ((1));
#ifdef __USE_XOPEN2K8
/* Same as opendir, but open the stream on the file descriptor FD.
extern struct dirent64 *readdir64 (DIR *__dirp) __nonnull ((1));
#endif
-#if defined __USE_POSIX || defined __USE_MISC
+#ifdef __USE_POSIX
/* Reentrant version of `readdir'. Return in RESULT a pointer to the
next entry.
extern int readdir_r (DIR *__restrict __dirp,
struct dirent *__restrict __entry,
struct dirent **__restrict __result)
- __nonnull ((1, 2, 3));
+ __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));
+ readdir64_r)
+ __nonnull ((1, 2, 3)) __attribute_deprecated__;
# else
# define readdir_r readdir64_r
# endif
extern int readdir64_r (DIR *__restrict __dirp,
struct dirent64 *__restrict __entry,
struct dirent64 **__restrict __result)
- __nonnull ((1, 2, 3));
+ __nonnull ((1, 2, 3)) __attribute_deprecated__;
# endif
#endif /* POSIX or misc */
/* Rewind DIRP to the beginning of the directory. */
extern void rewinddir (DIR *__dirp) __THROW __nonnull ((1));
-#if defined __USE_BSD || defined __USE_MISC || defined __USE_XOPEN
+#if defined __USE_MISC || defined __USE_XOPEN
# include <bits/types.h>
/* Seek to position POS on DIRP. */
extern long int telldir (DIR *__dirp) __THROW __nonnull ((1));
#endif
-#if defined __USE_BSD || defined __USE_MISC || defined __XOPEN_2K8
+#ifdef __USE_XOPEN2K8
/* Return the file descriptor used by DIRP. */
extern int dirfd (DIR *__dirp) __THROW __nonnull ((1));
# define dirfd(dirp) _DIR_dirfd (dirp)
# endif
-# if defined __USE_BSD || defined __USE_MISC
+# ifdef __USE_MISC
# ifndef MAXNAMLEN
/* Get the definitions of the POSIX.1 limits. */
# include <bits/posix1_lim.h>
/* 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. */
+ *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,
+extern int scandir (const char *__restrict __dir,
struct dirent ***__restrict __namelist,
- int (*__selector) (__const struct dirent *),
- int (*__cmp) (__const struct dirent **,
- __const struct dirent **))
+ 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,
+ (const char *__restrict __dir,
struct dirent ***__restrict __namelist,
- int (*__selector) (__const struct dirent *),
- int (*__cmp) (__const struct dirent **,
- __const struct dirent **)),
+ int (*__selector) (const struct dirent *),
+ int (*__cmp) (const struct dirent **,
+ const struct dirent **)),
scandir64) __nonnull ((1, 2));
# else
# define scandir scandir64
# 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,
+extern int scandir64 (const char *__restrict __dir,
struct dirent64 ***__restrict __namelist,
- int (*__selector) (__const struct dirent64 *),
- int (*__cmp) (__const struct dirent64 **,
- __const struct dirent64 **))
+ int (*__selector) (const struct dirent64 *),
+ int (*__cmp) (const struct dirent64 **,
+ const struct dirent64 **))
__nonnull ((1, 2));
# endif
+# ifdef __USE_GNU
+/* 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)
+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),
+ (const struct dirent **__e1,
+ const struct dirent **__e2),
alphasort64) __attribute_pure__ __nonnull ((1, 2));
# else
# define alphasort alphasort64
# endif
# if defined __USE_GNU && defined __USE_LARGEFILE64
-extern int alphasort64 (__const struct dirent64 **__e1,
- __const struct dirent64 **__e2)
+extern int alphasort64 (const struct dirent64 **__e1,
+ const struct dirent64 **__e2)
__THROW __attribute_pure__ __nonnull ((1, 2));
# endif
-#endif /* Use BSD or misc or XPG7. */
+#endif /* Use XPG7. */
-#if defined __USE_BSD || defined __USE_MISC
+#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
__off64_t *__restrict __basep)
__THROW __nonnull ((2, 4));
# endif
-#endif /* Use BSD or misc. */
+#endif /* Use 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)
+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),
+ (const struct dirent **__e1,
+ const struct dirent **__e2),
versionsort64)
__attribute_pure__ __nonnull ((1, 2));
# else
# endif
# ifdef __USE_LARGEFILE64
-extern int versionsort64 (__const struct dirent64 **__e1,
- __const struct dirent64 **__e2)
+extern int versionsort64 (const struct dirent64 **__e1,
+ const struct dirent64 **__e2)
__THROW __attribute_pure__ __nonnull ((1, 2));
# endif
#endif /* Use GNU. */
__END_DECLS
+#include <bits/dirent_ext.h>
+
#endif /* dirent.h */
projects / thirdparty / glibc.git / blobdiff