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-rw-r--r--lib/canonicalize.h44
1 files changed, 19 insertions, 25 deletions
diff --git a/lib/canonicalize.h b/lib/canonicalize.h
index 5c4d3f1..ccbb93f 100644
--- a/lib/canonicalize.h
+++ b/lib/canonicalize.h
@@ -1,10 +1,10 @@
/* Return the canonical absolute name of a given file.
- Copyright (C) 1996-2007 Free Software Foundation, Inc.
+ Copyright (C) 1996-2007, 2009-2016 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
@@ -12,14 +12,15 @@
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/>. */
#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. */
@@ -29,26 +30,19 @@ enum canonicalize_mode_t
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_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
#endif /* !CANONICALIZE_H_ */