/* Return the canonical absolute name of a given file.
- Copyright (C) 1996-2004 Free Software Foundation, Inc.
+ Copyright (C) 1996-2007 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
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,
- 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef CANONICALIZE_H_
# define CANONICALIZE_H_
+# if GNULIB_CANONICALIZE
enum canonicalize_mode_t
{
- /* All path components must exist. */
+ /* All components must exist. */
CAN_EXISTING = 0,
- /* All path components excluding last one must exist. */
+ /* All components excluding last one must exist. */
CAN_ALL_BUT_LAST = 1,
/* No requirements on components existence. */
};
typedef enum canonicalize_mode_t canonicalize_mode_t;
+/* Return a malloc'd string containing the canonical absolute name of
+ the named file. This acts like canonicalize_file_name, except that
+ whether components must exist depends on the canonicalize_mode_t
+ argument. */
char *canonicalize_filename_mode (const char *, canonicalize_mode_t);
+# endif
-# if !HAVE_CANONICALIZE_FILE_NAME
+# if HAVE_DECL_CANONICALIZE_FILE_NAME
+# include <stdlib.h>
+# else
+/* Return a malloc'd string containing the canonical absolute name of
+ the named file. If any file name component does not exist or is a
+ symlink to a nonexistent file, return NULL. A canonical name does
+ not contain any `.', `..' components nor any repeated file name
+ separators ('/') or symlinks. */
char *canonicalize_file_name (const char *);
# endif