Reduce code duplication.

[gnulib.git] / lib / memcoll.c

diff --git a/lib/memcoll.c b/lib/memcoll.c
index 7f61a6b..9d0c434 100644 (file)
--- a/lib/memcoll.c
+++ b/lib/memcoll.c
@@ -1,10 +1,11 @@
 /* Locale-specific memory comparison.
-   Copyright (C) 1999, 2002, 2003, 2004 Free Software Foundation, Inc.
 
-   This program is free software; you can redistribute it and/or modify
+   Copyright (C) 1999, 2002, 2003, 2004, 2006 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.
+   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
@@ -12,14 +13,11 @@
    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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* Contributed by Paul Eggert <eggert@twinsun.com>.  */
 
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
 
 #include "memcoll.h"
 
@@ -43,7 +41,10 @@ memcoll (char *s1, size_t s1len, char *s2, size_t s2len)
      the buffers using strcoll on each substring.  */
 
   if (s1len == s2len && memcmp (s1, s2, s1len) == 0)
-    diff = 0;
+    {
+      errno = 0;
+      diff = 0;
+    }
   else
     {
       char n1 = s1[s1len];