1 files changed, 48 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/posix/rename.c b/REORG.TODO/sysdeps/posix/rename.c
new file mode 100644
index 0000000000..e5f721f366
--- /dev/null
+++ b/REORG.TODO/sysdeps/posix/rename.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 1991-2017 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+
+/* Rename the file OLD to NEW.  */
+int
+rename (const char *old, const char *new)
+{
+  int save = errno;
+  if (__link (old, new) < 0)
+    {
+      if (errno == EEXIST)
+	{
+	  __set_errno (save);
+	  /* Race condition, required for 1003.1 conformance.  */
+	  if (__unlink (new) < 0 ||
+	      __link (old, new) < 0)
+	    return -1;
+	}
+      else
+	return -1;
+    }
+  if (__unlink (old) < 0)
+    {
+      save = errno;
+      if (__unlink (new) == 0)
+	__set_errno (save);
+      return -1;
+    }
+  return 0;
+}