2 files changed, 69 insertions, 0 deletions
diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/lib/tmpfile-safer.c b/gnulib/lib/tmpfile-safer.c
new file mode 100644
index 0000000..628db77
--- /dev/null
+++ b/gnulib/lib/tmpfile-safer.c
@@ -0,0 +1,69 @@
+/* Invoke tmpfile, but avoid some glitches.
+   Copyright (C) 2006, 2009-2011 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Eric Blake, based on ideas from Paul Eggert.  */
+
+#include <config.h>
+
+#include "stdio-safer.h"
+
+#include <errno.h>
+#include <unistd.h>
+#include "unistd-safer.h"
+
+#include "binary-io.h"
+
+/* Like tmpfile, but do not return stdin, stdout, or stderr.
+
+   Remember that tmpfile can leave files behind if your program calls _exit,
+   so this function should not be mixed with the close_stdout module.  */
+
+FILE *
+tmpfile_safer (void)
+{
+  FILE *fp = tmpfile ();
+
+  if (fp)
+    {
+      int fd = fileno (fp);
+
+      if (0 <= fd && fd <= STDERR_FILENO)
+        {
+          int f = dup_safer (fd);
+
+          if (f < 0)
+            {
+              int e = errno;
+              fclose (fp);
+              errno = e;
+              return NULL;
+            }
+
+          /* Keep the temporary file in binary mode, on platforms
+             where that matters.  */
+          if (fclose (fp) != 0
+              || ! (fp = fdopen (f, O_BINARY ? "wb+" : "w+")))
+            {
+              int e = errno;
+              close (f);
+              errno = e;
+              return NULL;
+            }
+        }
+    }
+
+  return fp;
+}