--- /dev/null
+/* get-errno.h - get and set errno.
+
+ Copyright (C) 2002 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 2, 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, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+/* Written by Paul Eggert. */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <errno.h>
+
+#include "get-errno.h"
+
+/* Get and set errno. A source file that needs to set or get errno,
+ but doesn't need to test for specific errno values, can use these
+ functions to avoid namespace pollution. For example, a file that
+ defines EQUAL should not include <errno.h>, since <errno.h> might
+ define EQUAL; such a file can include <get-errno.h> instead. */
+
+int
+get_errno (void)
+{
+ return errno;
+}
+
+void
+set_errno (int e)
+{
+ errno = e;
+}