diff options
Diffstat (limited to 'include/dirent.h')
| -rw-r--r-- | include/dirent.h | 132 |
1 files changed, 108 insertions, 24 deletions
diff --git a/include/dirent.h b/include/dirent.h index 565a94dee..00aa0773e 100644 --- a/include/dirent.h +++ b/include/dirent.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991-2000, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1991-2000,2003-2005,2009,2010 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 @@ -12,9 +12,8 @@ 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 + <http://www.gnu.org/licenses/>. */ /* * POSIX Standard: 5.1.2 Directory Operations <dirent.h> @@ -132,7 +131,16 @@ typedef struct __dirstream DIR; 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)); +libc_hidden_proto(opendir) + +#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. @@ -140,6 +148,7 @@ extern DIR *opendir (__const char *__name) __nonnull ((1)); This function is a possible cancellation point and therefore not marked with __THROW. */ extern int closedir (DIR *__dirp) __nonnull ((1)); +libc_hidden_proto(closedir) /* Read a directory entry from DIRP. Return a pointer to a `struct dirent' describing the entry, or NULL for EOF or error. The @@ -153,6 +162,7 @@ extern int closedir (DIR *__dirp) __nonnull ((1)); marked with __THROW. */ #ifndef __USE_FILE_OFFSET64 extern struct dirent *readdir (DIR *__dirp) __nonnull ((1)); +libc_hidden_proto(readdir) #else # ifdef __REDIRECT extern struct dirent *__REDIRECT (readdir, (DIR *__dirp), readdir64) @@ -164,6 +174,7 @@ extern struct dirent *__REDIRECT (readdir, (DIR *__dirp), readdir64) #ifdef __USE_LARGEFILE64 extern struct dirent64 *readdir64 (DIR *__dirp) __nonnull ((1)); +libc_hidden_proto(readdir64) #endif #if defined __USE_POSIX || defined __USE_MISC @@ -177,6 +188,7 @@ extern int readdir_r (DIR *__restrict __dirp, struct dirent *__restrict __entry, struct dirent **__restrict __result) __nonnull ((1, 2, 3)); +libc_hidden_proto(readdir_r) # else # ifdef __REDIRECT extern int __REDIRECT (readdir_r, @@ -194,6 +206,7 @@ extern int readdir64_r (DIR *__restrict __dirp, struct dirent64 *__restrict __entry, struct dirent64 **__restrict __result) __nonnull ((1, 2, 3)); +libc_hidden_proto(readdir64_r) # endif #endif /* POSIX or misc */ @@ -210,24 +223,27 @@ extern void seekdir (DIR *__dirp, long int __pos) __THROW __nonnull ((1)); extern long int telldir (DIR *__dirp) __THROW __nonnull ((1)); #endif -#if defined __USE_BSD || defined __USE_MISC +#if defined __USE_BSD || defined __USE_MISC || defined __USE_XOPEN2K8 /* Return the file descriptor used by DIRP. */ extern int dirfd (DIR *__dirp) __THROW __nonnull ((1)); +libc_hidden_proto(dirfd) # if 0 /* defined __OPTIMIZE__ && defined _DIR_dirfd */ # define dirfd(dirp) _DIR_dirfd (dirp) # endif -# ifndef MAXNAMLEN +# if defined __USE_BSD || defined __USE_MISC +# ifndef MAXNAMLEN /* Get the definitions of the POSIX.1 limits. */ # 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 @@ -239,18 +255,20 @@ extern int dirfd (DIR *__dirp) __THROW __nonnull ((1)); sorted using qsort with CMP, and collected in a malloc'd array in *NAMELIST. Returns the number of entries selected, or -1 on error. */ # 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 void *, __const void *)) + 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 void *, __const void *)), + int (*__selector) (const struct dirent *), + int (*__cmp) (const struct dirent **, + const struct dirent **)), scandir64) __nonnull ((1, 2)); # else # define scandir scandir64 @@ -260,21 +278,24 @@ extern int __REDIRECT (scandir, # 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 void *, __const void *)) + int (*__selector) (const struct dirent64 *), + int (*__cmp) (const struct dirent64 **, + const struct dirent64 **)) __nonnull ((1, 2)); # endif /* Function to compare two `struct dirent's alphabetically. */ # ifndef __USE_FILE_OFFSET64 -extern int alphasort (__const void *__e1, __const void *__e2) +extern int alphasort (const struct dirent **__e1, + const struct dirent **__e2) __THROW __attribute_pure__ __nonnull ((1, 2)); # else # ifdef __REDIRECT -extern int __REDIRECT (alphasort, - (__const void *__e1, __const void *__e2), +extern int __REDIRECT_NTH (alphasort, + (const struct dirent **__e1, + const struct dirent **__e2), alphasort64) __attribute_pure__ __nonnull ((1, 2)); # else # define alphasort alphasort64 @@ -282,12 +303,75 @@ extern int __REDIRECT (alphasort, # endif # if defined __USE_GNU && defined __USE_LARGEFILE64 -extern int alphasort64 (__const void *__e1, __const void *__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. */ + + +#if 0 /* defined __USE_BSD || defined __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. */ +# 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 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 +#ifdef _LIBC +extern __ssize_t __getdents(int fd, char *buf, size_t count) attribute_hidden; +# ifdef __UCLIBC_HAS_LFS__ +extern __ssize_t __getdents64 (int fd, char *buf, size_t count) attribute_hidden; +# endif +#endif + #endif /* dirent.h */ |