-m(dup2): Texinfo typo

[gnulib.git] / lib / backupfile.c

diff --git a/lib/backupfile.c b/lib/backupfile.c
index 5875d3a..1420edd 100644 (file)
--- a/lib/backupfile.c
+++ b/lib/backupfile.c
@@ -4,10 +4,10 @@
    1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software
    Foundation, Inc.
 
-   This program is free software; you can redistribute it and/or modify
+   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
@@ -15,9 +15,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; see the file COPYING.
-   If not, write to the Free Software Foundation,
-   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* Written by Paul Eggert and David MacKenzie.
    Some algorithms adapted from GNU Emacs.  */
@@ -82,6 +80,11 @@
    of `digit' even when the host does not conform to POSIX.  */
 #define ISDIGIT(c) ((unsigned int) (c) - '0' <= 9)
 
+/* The results of opendir() in this file are not used with dirfd and fchdir,
+   therefore save some unnecessary work in fchdir.c.  */
+#undef opendir
+#undef closedir
+
 /* The extension added to file names to produce a simple (as opposed
    to numbered) backup file name. */
 char const *simple_backup_suffix = "~";