/* Return the canonical absolute name of a given file.
- Copyright (C) 1996-2007, 2009 Free Software Foundation, Inc.
+ Copyright (C) 1996-2007, 2009-2013 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
#ifndef CANONICALIZE_H_
# define CANONICALIZE_H_
-# if GNULIB_CANONICALIZE
+#include <stdlib.h> /* for canonicalize_file_name */
+
+#define CAN_MODE_MASK (CAN_EXISTING | CAN_ALL_BUT_LAST | CAN_MISSING)
+
enum canonicalize_mode_t
{
/* All components must exist. */
CAN_ALL_BUT_LAST = 1,
/* No requirements on components existence. */
- CAN_MISSING = 2
+ CAN_MISSING = 2,
+
+ /* Don't expand symlinks. */
+ CAN_NOLINKS = 4
};
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. */
+/* Return the canonical absolute name of file NAME, while treating
+ missing elements according to CAN_MODE. A canonical name
+ does not contain any `.', `..' components nor any repeated file name
+ separators ('/') or, depending on other CAN_MODE flags, symlinks.
+ Whether components must exist or not depends on canonicalize mode.
+ The result is malloc'd. */
char *canonicalize_filename_mode (const char *, canonicalize_mode_t);
-# endif
-
-# if HAVE_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
#endif /* !CANONICALIZE_H_ */