From 4bebc88ee1319ff227e6a24d81fc3a5bcedf87c8 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 11 Dec 2002 05:22:48 +0000
Subject: [PATCH] Initial revision

---
 lib/get-errno.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 lib/get-errno.c

diff --git a/lib/get-errno.c b/lib/get-errno.c
new file mode 100644
index 00000000..57cea019
--- /dev/null
+++ b/lib/get-errno.c
@@ -0,0 +1,45 @@
+/* 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;
+}
-- 
2.47.2