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Diffstat (limited to 'sysdeps/unix/sysv/linux/readdir.c')
-rw-r--r--sysdeps/unix/sysv/linux/readdir.c65
1 files changed, 64 insertions, 1 deletions
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