initial import

1 files changed, 70 insertions, 0 deletions

diff --git a/sysdeps/unix/bsd/readdir.c b/sysdeps/unix/bsd/readdir.c
new file mode 100644
index 0000000000..e86a94dd52
--- /dev/null
+++ b/sysdeps/unix/bsd/readdir.c
@@ -0,0 +1,70 @@
+/* Copyright (C) 1991, 1992, 1993, 1994 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.
+
+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.
+
+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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <errno.h>
+#include <limits.h>
+#include <stddef.h>
+#include <string.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include "direct.h"
+
+
+/* Read a directory entry from DIRP.  */
+struct dirent *
+DEFUN(readdir, (dirp), DIR *dirp)
+{
+  struct dirent *dp;
+
+  if (dirp == NULL || dirp->__data == NULL)
+    {
+      errno = EINVAL;
+      return NULL;
+    }
+
+  do
+    {
+      if (dirp->__offset >= dirp->__size)
+	{
+	  /* We've emptied out our buffer.  Refill it.  */
+
+	  ssize_t bytes = __getdirentries (dirp->__fd, dirp->__data,
+					   dirp->__allocation, &dirp->__pos);
+	  if (bytes <= 0)
+	    return NULL;
+	  dirp->__size = (size_t) bytes;
+
+	  /* Reset the offset into the buffer.  */
+	  dirp->__offset = 0;
+	}
+
+      dp = (struct dirent *) &dirp->__data[dirp->__offset];
+      dirp->__offset += dp->d_reclen;
+
+#ifndef HAVE_D_TYPE
+      dp->d_namlen = ((struct direct *) dp)->d_namlen;
+      dp->d_type = DT_UNKNOWN;
+#endif
+
+      /* Loop to ignore deleted files.  */
+    } while (dp->d_fileno == 0);
+
+  return dp;
+}