diff options
| -rw-r--r-- | sysdeps/posix/readdir.c | 127 | ||||
| -rw-r--r-- | sysdeps/posix/readdir_r.c | 159 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/closedir.c (renamed from sysdeps/posix/closedir.c) | 0 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/dirfd.c (renamed from sysdeps/posix/dirfd.c) | 0 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/dirstream.h (renamed from sysdeps/posix/dirstream.h) | 0 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/fdopendir.c (renamed from sysdeps/posix/fdopendir.c) | 0 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/opendir.c (renamed from sysdeps/posix/opendir.c) | 0 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/readdir.c | 65 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/readdir64.c | 131 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/readdir64_r.c | 194 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/readdir_r.c | 95 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/rewinddir.c (renamed from sysdeps/posix/rewinddir.c) | 0 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/seekdir.c (renamed from sysdeps/posix/seekdir.c) | 0 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/telldir.c (renamed from sysdeps/posix/telldir.c) | 0 |
14 files changed, 462 insertions, 309 deletions
diff --git a/sysdeps/posix/readdir.c b/sysdeps/posix/readdir.c deleted file mode 100644 index b36278b5f4..0000000000 --- a/sysdeps/posix/readdir.c +++ /dev/null @@ -1,127 +0,0 @@ -/* Copyright (C) 1991-2020 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 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 - 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, see - <https://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <limits.h> -#include <stddef.h> -#include <string.h> -#include <dirent.h> -#include <unistd.h> -#include <sys/types.h> -#include <assert.h> - -#include <dirstream.h> - -#ifndef __READDIR -# define __READDIR __readdir -# define __GETDENTS __getdents -# define DIRENT_TYPE struct dirent -# define __READDIR_ALIAS -#endif - -/* Read a directory entry from DIRP. */ -DIRENT_TYPE * -__READDIR (DIR *dirp) -{ - DIRENT_TYPE *dp; - int saved_errno = errno; - -#if IS_IN (libc) - __libc_lock_lock (dirp->lock); -#endif - - do - { - size_t reclen; - - if (dirp->offset >= dirp->size) - { - /* We've emptied out our buffer. Refill it. */ - - size_t maxread; - ssize_t bytes; - -#ifndef _DIRENT_HAVE_D_RECLEN - /* Fixed-size struct; must read one at a time (see below). */ - maxread = sizeof *dp; -#else - maxread = dirp->allocation; -#endif - - bytes = __GETDENTS (dirp->fd, dirp->data, maxread); - if (bytes <= 0) - { - /* On some systems getdents fails with ENOENT when the - open directory has been rmdir'd already. POSIX.1 - requires that we treat this condition like normal EOF. */ - if (bytes < 0 && errno == ENOENT) - bytes = 0; - - /* Don't modifiy errno when reaching EOF. */ - if (bytes == 0) - __set_errno (saved_errno); - dp = NULL; - break; - } - dirp->size = (size_t) bytes; - - /* Reset the offset into the buffer. */ - dirp->offset = 0; - } - - dp = (DIRENT_TYPE *) &dirp->data[dirp->offset]; - -#ifdef _DIRENT_HAVE_D_RECLEN - reclen = dp->d_reclen; -#else - /* The only version of `struct dirent*' that lacks `d_reclen' - is fixed-size. */ - assert (sizeof dp->d_name > 1); - reclen = sizeof *dp; - /* The name is not terminated if it is the largest possible size. - Clobber the following byte to ensure proper null termination. We - read jst one entry at a time above so we know that byte will not - be used later. */ - dp->d_name[sizeof dp->d_name] = '\0'; -#endif - - dirp->offset += reclen; - -#ifdef _DIRENT_HAVE_D_OFF - dirp->filepos = dp->d_off; -#else - dirp->filepos += reclen; -#endif - - /* Skip deleted files. */ - } while (dp->d_ino == 0); - -#if IS_IN (libc) - __libc_lock_unlock (dirp->lock); -#endif - - return dp; -} - -#ifdef __READDIR_ALIAS -weak_alias (__readdir, readdir) -#endif - -#undef __READDIR -#undef __GETDENTS -#undef DIRENT_TYPE -#undef __READDIR_ALIAS diff --git a/sysdeps/posix/readdir_r.c b/sysdeps/posix/readdir_r.c deleted file mode 100644 index 9079abc2ff..0000000000 --- a/sysdeps/posix/readdir_r.c +++ /dev/null @@ -1,159 +0,0 @@ -/* Copyright (C) 1991-2020 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 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 - 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, see - <https://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <limits.h> -#include <stddef.h> -#include <string.h> -#include <dirent.h> -#include <unistd.h> -#include <sys/types.h> -#include <assert.h> - -#include <dirstream.h> - -#ifndef __READDIR_R -# define __READDIR_R __readdir_r -# define __GETDENTS __getdents -# define DIRENT_TYPE struct dirent -# define __READDIR_R_ALIAS -#endif - -/* Read a directory entry from DIRP. */ -int -__READDIR_R (DIR *dirp, DIRENT_TYPE *entry, DIRENT_TYPE **result) -{ - DIRENT_TYPE *dp; - size_t reclen; - const int saved_errno = errno; - int ret; - - __libc_lock_lock (dirp->lock); - - do - { - if (dirp->offset >= dirp->size) - { - /* We've emptied out our buffer. Refill it. */ - - size_t maxread; - ssize_t bytes; - -#ifndef _DIRENT_HAVE_D_RECLEN - /* Fixed-size struct; must read one at a time (see below). */ - maxread = sizeof *dp; -#else - maxread = dirp->allocation; -#endif - - bytes = __GETDENTS (dirp->fd, dirp->data, maxread); - if (bytes <= 0) - { - /* On some systems getdents fails with ENOENT when the - open directory has been rmdir'd already. POSIX.1 - requires that we treat this condition like normal EOF. */ - if (bytes < 0 && errno == ENOENT) - { - bytes = 0; - __set_errno (saved_errno); - } - if (bytes < 0) - dirp->errcode = errno; - - dp = NULL; - break; - } - dirp->size = (size_t) bytes; - - /* Reset the offset into the buffer. */ - dirp->offset = 0; - } - - dp = (DIRENT_TYPE *) &dirp->data[dirp->offset]; - -#ifdef _DIRENT_HAVE_D_RECLEN - reclen = dp->d_reclen; -#else - /* The only version of `struct dirent*' that lacks `d_reclen' - is fixed-size. */ - assert (sizeof dp->d_name > 1); - reclen = sizeof *dp; - /* The name is not terminated if it is the largest possible size. - Clobber the following byte to ensure proper null termination. We - read just one entry at a time above so we know that byte will not - be used later. */ - dp->d_name[sizeof dp->d_name] = '\0'; -#endif - - dirp->offset += reclen; - -#ifdef _DIRENT_HAVE_D_OFF - dirp->filepos = dp->d_off; -#else - dirp->filepos += reclen; -#endif - -#ifdef NAME_MAX - if (reclen > offsetof (DIRENT_TYPE, d_name) + NAME_MAX + 1) - { - /* The record is very long. It could still fit into the - caller-supplied buffer if we can skip padding at the - end. */ - size_t namelen = _D_EXACT_NAMLEN (dp); - if (namelen <= NAME_MAX) - reclen = offsetof (DIRENT_TYPE, d_name) + namelen + 1; - else - { - /* The name is too long. Ignore this file. */ - dirp->errcode = ENAMETOOLONG; - dp->d_ino = 0; - continue; - } - } -#endif - - /* Skip deleted and ignored files. */ - } - while (dp->d_ino == 0); - - if (dp != NULL) - { - *result = memcpy (entry, dp, reclen); -#ifdef _DIRENT_HAVE_D_RECLEN - entry->d_reclen = reclen; -#endif - ret = 0; - } - else - { - *result = NULL; - ret = dirp->errcode; - } - - __libc_lock_unlock (dirp->lock); - - return ret; -} - -#ifdef __READDIR_R_ALIAS -weak_alias (__readdir_r, readdir_r) -#endif - -#undef __READDIR_R -#undef __GETDENTS -#undef DIRENT_TYPE -#undef __READDIR_R_ALIAS diff --git a/sysdeps/posix/closedir.c b/sysdeps/unix/sysv/linux/closedir.c index ccc19eefcd..ccc19eefcd 100644 --- a/sysdeps/posix/closedir.c +++ b/sysdeps/unix/sysv/linux/closedir.c diff --git a/sysdeps/posix/dirfd.c b/sysdeps/unix/sysv/linux/dirfd.c index 5d0928dca4..5d0928dca4 100644 --- a/sysdeps/posix/dirfd.c +++ b/sysdeps/unix/sysv/linux/dirfd.c diff --git a/sysdeps/posix/dirstream.h b/sysdeps/unix/sysv/linux/dirstream.h index a3ea2b7197..a3ea2b7197 100644 --- a/sysdeps/posix/dirstream.h +++ b/sysdeps/unix/sysv/linux/dirstream.h diff --git a/sysdeps/posix/fdopendir.c b/sysdeps/unix/sysv/linux/fdopendir.c index e424fbdaa2..e424fbdaa2 100644 --- a/sysdeps/posix/fdopendir.c +++ b/sysdeps/unix/sysv/linux/fdopendir.c diff --git a/sysdeps/posix/opendir.c b/sysdeps/unix/sysv/linux/opendir.c index e89e09bfc7..e89e09bfc7 100644 --- a/sysdeps/posix/opendir.c +++ b/sysdeps/unix/sysv/linux/opendir.c diff --git a/sysdeps/unix/sysv/linux/readdir.c b/sysdeps/unix/sysv/linux/readdir.c index df7a92aa78..2e03e66e69 100644 --- a/sysdeps/unix/sysv/linux/readdir.c +++ b/sysdeps/unix/sysv/linux/readdir.c @@ -19,5 +19,68 @@ #include <dirent.h> #if !_DIRENT_MATCHES_DIRENT64 -# include <sysdeps/posix/readdir.c> +#include <dirstream.h> + +/* Read a directory entry from DIRP. */ +struct dirent * +__readdir (DIR *dirp) +{ + struct dirent *dp; + int saved_errno = errno; + +#if IS_IN (libc) + __libc_lock_lock (dirp->lock); +#endif + + do + { + size_t reclen; + + if (dirp->offset >= dirp->size) + { + /* We've emptied out our buffer. Refill it. */ + + size_t maxread = dirp->allocation; + ssize_t bytes; + + bytes = __getdents (dirp->fd, dirp->data, maxread); + if (bytes <= 0) + { + /* On some systems getdents fails with ENOENT when the + open directory has been rmdir'd already. POSIX.1 + requires that we treat this condition like normal EOF. */ + if (bytes < 0 && errno == ENOENT) + bytes = 0; + + /* Don't modifiy errno when reaching EOF. */ + if (bytes == 0) + __set_errno (saved_errno); + dp = NULL; + break; + } + dirp->size = (size_t) bytes; + + /* Reset the offset into the buffer. */ + dirp->offset = 0; + } + + dp = (struct dirent *) &dirp->data[dirp->offset]; + + reclen = dp->d_reclen; + + dirp->offset += reclen; + + dirp->filepos = dp->d_off; + + /* Skip deleted files. */ + } while (dp->d_ino == 0); + +#if IS_IN (libc) + __libc_lock_unlock (dirp->lock); +#endif + + return dp; +} +weak_alias (__readdir, readdir) + #endif diff --git a/sysdeps/unix/sysv/linux/readdir64.c b/sysdeps/unix/sysv/linux/readdir64.c index 170a889c51..1aa6e2664f 100644 --- a/sysdeps/unix/sysv/linux/readdir64.c +++ b/sysdeps/unix/sysv/linux/readdir64.c @@ -23,17 +23,71 @@ #define readdir __no_readdir_decl #define __readdir __no___readdir_decl #include <dirent.h> +#undef __readdir +#undef readdir -#define __READDIR __readdir64 -#define __GETDENTS __getdents64 -#define DIRENT_TYPE struct dirent64 +/* Read a directory entry from DIRP. */ +struct dirent64 * +__readdir64 (DIR *dirp) +{ + struct dirent64 *dp; + int saved_errno = errno; -#include <sysdeps/posix/readdir.c> +#if IS_IN (libc) + __libc_lock_lock (dirp->lock); +#endif -#undef __readdir -#undef readdir + do + { + size_t reclen; + + if (dirp->offset >= dirp->size) + { + /* We've emptied out our buffer. Refill it. */ + + size_t maxread = dirp->allocation; + ssize_t bytes; + + bytes = __getdents64 (dirp->fd, dirp->data, maxread); + if (bytes <= 0) + { + /* On some systems getdents fails with ENOENT when the + open directory has been rmdir'd already. POSIX.1 + requires that we treat this condition like normal EOF. */ + if (bytes < 0 && errno == ENOENT) + bytes = 0; + + /* Don't modifiy errno when reaching EOF. */ + if (bytes == 0) + __set_errno (saved_errno); + dp = NULL; + break; + } + dirp->size = (size_t) bytes; + /* Reset the offset into the buffer. */ + dirp->offset = 0; + } + + dp = (struct dirent64 *) &dirp->data[dirp->offset]; + + reclen = dp->d_reclen; + + dirp->offset += reclen; + + dirp->filepos = dp->d_off; + + /* Skip deleted files. */ + } while (dp->d_ino == 0); + +#if IS_IN (libc) + __libc_lock_unlock (dirp->lock); +#endif + + return dp; +} libc_hidden_def (__readdir64) + #if _DIRENT_MATCHES_DIRENT64 strong_alias (__readdir64, __readdir) weak_alias (__readdir64, readdir64) @@ -49,10 +103,67 @@ versioned_symbol (libc, __readdir64, readdir64, GLIBC_2_2); # endif # if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) # include <olddirent.h> -# define __READDIR attribute_compat_text_section __old_readdir64 -# define __GETDENTS __old_getdents64 -# define DIRENT_TYPE struct __old_dirent64 -# include <sysdeps/posix/readdir.c> + +attribute_compat_text_section +struct __old_dirent64 * +__old_readdir64 (DIR *dirp) +{ + struct __old_dirent64 *dp; + int saved_errno = errno; + +#if IS_IN (libc) + __libc_lock_lock (dirp->lock); +#endif + + do + { + size_t reclen; + + if (dirp->offset >= dirp->size) + { + /* We've emptied out our buffer. Refill it. */ + + size_t maxread = dirp->allocation; + ssize_t bytes; + + bytes = __old_getdents64 (dirp->fd, dirp->data, maxread); + if (bytes <= 0) + { + /* On some systems getdents fails with ENOENT when the + open directory has been rmdir'd already. POSIX.1 + requires that we treat this condition like normal EOF. */ + if (bytes < 0 && errno == ENOENT) + bytes = 0; + + /* Don't modifiy errno when reaching EOF. */ + if (bytes == 0) + __set_errno (saved_errno); + dp = NULL; + break; + } + dirp->size = (size_t) bytes; + + /* Reset the offset into the buffer. */ + dirp->offset = 0; + } + + dp = (struct __old_dirent64 *) &dirp->data[dirp->offset]; + + reclen = dp->d_reclen; + + dirp->offset += reclen; + + dirp->filepos = dp->d_off; + + /* Skip deleted files. */ + } while (dp->d_ino == 0); + +#if IS_IN (libc) + __libc_lock_unlock (dirp->lock); +#endif + + return dp; +} libc_hidden_def (__old_readdir64) compat_symbol (libc, __old_readdir64, readdir64, GLIBC_2_1); # endif /* SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) */ diff --git a/sysdeps/unix/sysv/linux/readdir64_r.c b/sysdeps/unix/sysv/linux/readdir64_r.c index 6d589f36f5..c587787417 100644 --- a/sysdeps/unix/sysv/linux/readdir64_r.c +++ b/sysdeps/unix/sysv/linux/readdir64_r.c @@ -23,15 +23,100 @@ #define readdir_r __no_readdir_r_decl #define __readdir_r __no___readdir_r_decl #include <dirent.h> +#undef __readdir_r +#undef readdir_r -#define __READDIR_R __readdir64_r -#define __GETDENTS __getdents64 -#define DIRENT_TYPE struct dirent64 +/* Read a directory entry from DIRP. */ +int +__readdir64_r (DIR *dirp, struct dirent64 *entry, struct dirent64 **result) +{ + struct dirent64 *dp; + size_t reclen; + const int saved_errno = errno; + int ret; -#include <sysdeps/posix/readdir_r.c> + __libc_lock_lock (dirp->lock); + + do + { + if (dirp->offset >= dirp->size) + { + /* We've emptied out our buffer. Refill it. */ + + size_t maxread = dirp->allocation; + ssize_t bytes; + + maxread = dirp->allocation; + + bytes = __getdents64 (dirp->fd, dirp->data, maxread); + if (bytes <= 0) + { + /* On some systems getdents fails with ENOENT when the + open directory has been rmdir'd already. POSIX.1 + requires that we treat this condition like normal EOF. */ + if (bytes < 0 && errno == ENOENT) + { + bytes = 0; + __set_errno (saved_errno); + } + if (bytes < 0) + dirp->errcode = errno; + + dp = NULL; + break; + } + dirp->size = (size_t) bytes; + + /* Reset the offset into the buffer. */ + dirp->offset = 0; + } + + dp = (struct dirent64 *) &dirp->data[dirp->offset]; + + reclen = dp->d_reclen; + + dirp->offset += reclen; + + dirp->filepos = dp->d_off; + + if (reclen > offsetof (struct dirent64, d_name) + NAME_MAX + 1) + { + /* The record is very long. It could still fit into the + caller-supplied buffer if we can skip padding at the + end. */ + size_t namelen = _D_EXACT_NAMLEN (dp); + if (namelen <= NAME_MAX) + reclen = offsetof (struct dirent64, d_name) + namelen + 1; + else + { + /* The name is too long. Ignore this file. */ + dirp->errcode = ENAMETOOLONG; + dp->d_ino = 0; + continue; + } + } + + /* Skip deleted and ignored files. */ + } + while (dp->d_ino == 0); + + if (dp != NULL) + { + *result = memcpy (entry, dp, reclen); + entry->d_reclen = reclen; + ret = 0; + } + else + { + *result = NULL; + ret = dirp->errcode; + } + + __libc_lock_unlock (dirp->lock); + + return ret; +} -#undef __readdir_r -#undef readdir_r #if _DIRENT_MATCHES_DIRENT64 strong_alias (__readdir64_r, __readdir_r) @@ -44,10 +129,99 @@ weak_alias (__readdir64_r, readdir64_r) versioned_symbol (libc, __readdir64_r, readdir64_r, GLIBC_2_2); # if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) # include <olddirent.h> -# define __READDIR_R attribute_compat_text_section __old_readdir64_r -# define __GETDENTS __old_getdents64 -# define DIRENT_TYPE struct __old_dirent64 -# include <sysdeps/posix/readdir_r.c> + +int +attribute_compat_text_section +__old_readdir64_r (DIR *dirp, struct __old_dirent64 *entry, + struct __old_dirent64 **result) +{ + struct __old_dirent64 *dp; + size_t reclen; + const int saved_errno = errno; + int ret; + + __libc_lock_lock (dirp->lock); + + do + { + if (dirp->offset >= dirp->size) + { + /* We've emptied out our buffer. Refill it. */ + + size_t maxread = dirp->allocation; + ssize_t bytes; + + maxread = dirp->allocation; + + bytes = __old_getdents64 (dirp->fd, dirp->data, maxread); + if (bytes <= 0) + { + /* On some systems getdents fails with ENOENT when the + open directory has been rmdir'd already. POSIX.1 + requires that we treat this condition like normal EOF. */ + if (bytes < 0 && errno == ENOENT) + { + bytes = 0; + __set_errno (saved_errno); + } + if (bytes < 0) + dirp->errcode = errno; + + dp = NULL; + break; + } + dirp->size = (size_t) bytes; + + /* Reset the offset into the buffer. */ + dirp->offset = 0; + } + + dp = (struct __old_dirent64 *) &dirp->data[dirp->offset]; + + reclen = dp->d_reclen; + + dirp->offset += reclen; + + dirp->filepos = dp->d_off; + + if (reclen > offsetof (struct __old_dirent64, d_name) + NAME_MAX + 1) + { + /* The record is very long. It could still fit into the + caller-supplied buffer if we can skip padding at the + end. */ + size_t namelen = _D_EXACT_NAMLEN (dp); + if (namelen <= NAME_MAX) + reclen = offsetof (struct __old_dirent64, d_name) + namelen + 1; + else + { + /* The name is too long. Ignore this file. */ + dirp->errcode = ENAMETOOLONG; + dp->d_ino = 0; + continue; + } + } + + /* Skip deleted and ignored files. */ + } + while (dp->d_ino == 0); + + if (dp != NULL) + { + *result = memcpy (entry, dp, reclen); + entry->d_reclen = reclen; + ret = 0; + } + else + { + *result = NULL; + ret = dirp->errcode; + } + + __libc_lock_unlock (dirp->lock); + + return ret; +} + compat_symbol (libc, __old_readdir64_r, readdir64_r, GLIBC_2_1); # endif /* SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) */ #endif /* _DIRENT_MATCHES_DIRENT64 */ diff --git a/sysdeps/unix/sysv/linux/readdir_r.c b/sysdeps/unix/sysv/linux/readdir_r.c index 30f237dbcc..0069041394 100644 --- a/sysdeps/unix/sysv/linux/readdir_r.c +++ b/sysdeps/unix/sysv/linux/readdir_r.c @@ -19,5 +19,96 @@ #include <dirent.h> #if !_DIRENT_MATCHES_DIRENT64 -# include <sysdeps/posix/readdir_r.c> -#endif +/* Read a directory entry from DIRP. */ +int +__readdir_r (DIR *dirp, struct dirent *entry, struct dirent **result) +{ + struct dirent *dp; + size_t reclen; + const int saved_errno = errno; + int ret; + + __libc_lock_lock (dirp->lock); + + do + { + if (dirp->offset >= dirp->size) + { + /* We've emptied out our buffer. Refill it. */ + + size_t maxread = dirp->allocation; + ssize_t bytes; + + maxread = dirp->allocation; + + bytes = __getdents (dirp->fd, dirp->data, maxread); + if (bytes <= 0) + { + /* On some systems getdents fails with ENOENT when the + open directory has been rmdir'd already. POSIX.1 + requires that we treat this condition like normal EOF. */ + if (bytes < 0 && errno == ENOENT) + { + bytes = 0; + __set_errno (saved_errno); + } + if (bytes < 0) + dirp->errcode = errno; + + dp = NULL; + break; + } + dirp->size = (size_t) bytes; + + /* Reset the offset into the buffer. */ + dirp->offset = 0; + } + + dp = (struct dirent *) &dirp->data[dirp->offset]; + + reclen = dp->d_reclen; + + dirp->offset += reclen; + + dirp->filepos = dp->d_off; + + if (reclen > offsetof (struct dirent, d_name) + NAME_MAX + 1) + { + /* The record is very long. It could still fit into the + caller-supplied buffer if we can skip padding at the + end. */ + size_t namelen = _D_EXACT_NAMLEN (dp); + if (namelen <= NAME_MAX) + reclen = offsetof (struct dirent, d_name) + namelen + 1; + else + { + /* The name is too long. Ignore this file. */ + dirp->errcode = ENAMETOOLONG; + dp->d_ino = 0; + continue; + } + } + + /* Skip deleted and ignored files. */ + } + while (dp->d_ino == 0); + + if (dp != NULL) + { + *result = memcpy (entry, dp, reclen); + entry->d_reclen = reclen; + ret = 0; + } + else + { + *result = NULL; + ret = dirp->errcode; + } + + __libc_lock_unlock (dirp->lock); + + return ret; +} + +weak_alias (__readdir_r, readdir_r) +#endif /* _DIRENT_MATCHES_DIRENT64 */ diff --git a/sysdeps/posix/rewinddir.c b/sysdeps/unix/sysv/linux/rewinddir.c index 860bfda004..860bfda004 100644 --- a/sysdeps/posix/rewinddir.c +++ b/sysdeps/unix/sysv/linux/rewinddir.c diff --git a/sysdeps/posix/seekdir.c b/sysdeps/unix/sysv/linux/seekdir.c index 3c30520928..3c30520928 100644 --- a/sysdeps/posix/seekdir.c +++ b/sysdeps/unix/sysv/linux/seekdir.c diff --git a/sysdeps/posix/telldir.c b/sysdeps/unix/sysv/linux/telldir.c index 57d435ed21..57d435ed21 100644 --- a/sysdeps/posix/telldir.c +++ b/sysdeps/unix/sysv/linux/telldir.c |