1 files changed, 39 insertions, 0 deletions
diff --git a/contrib/diff/lib/stripslash.c b/contrib/diff/lib/stripslash.c
new file mode 100644
index 000000000000..c6b319e69f86
--- /dev/null
+++ b/contrib/diff/lib/stripslash.c
@@ -0,0 +1,39 @@
+/* stripslash.c -- remove redundant trailing slashes from a file name
+   Copyright (C) 1990, 2001, 2003 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.  */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "dirname.h"
+
+/* Remove trailing slashes from PATH.
+   Return nonzero if a trailing slash was removed.
+   This is useful when using filename completion from a shell that
+   adds a "/" after directory names (such as tcsh and bash), because
+   the Unix rename and rmdir system calls return an "Invalid argument" error
+   when given a path that ends in "/" (except for the root directory).  */
+
+int
+strip_trailing_slashes (char *path)
+{
+  char *base = base_name (path);
+  char *base_lim = base + base_len (base);
+  int had_slash = *base_lim;
+  *base_lim = '\0';
+  return had_slash;
+}