1 files changed, 37 insertions, 0 deletions
diff --git a/stdio-common/tmpnam_r.c b/stdio-common/tmpnam_r.c
new file mode 100644
index 0000000000..2794e7728e
--- /dev/null
+++ b/stdio-common/tmpnam_r.c
@@ -0,0 +1,37 @@
+/* Copyright (C) 1991, 1993, 1996 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 <stdio.h>
+#include <string.h>
+
+
+/* Generate a unique filename in P_tmpdir.  If S is NULL return NULL.
+   This makes this function thread safe.  */
+char *
+tmpnam_r (char *s)
+{
+  if (s == NULL)
+    return NULL;
+
+  /* In the following call we use the buffer pointed to by S if
+     non-NULL although we don't know the size.  But we limit the size
+     to L_tmpnam characters in any case.  */
+  return __stdio_gen_tempname (s, L_tmpnam, (const char *) NULL,
+			       (const char *) NULL, 0,
+			       (size_t *) NULL, (FILE **) NULL);
+}