| /* Return the canonical absolute name of a given file. |
| Copyright (C) 1996-2007 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 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 |
| 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, see <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef CANONICALIZE_H_ |
| # define CANONICALIZE_H_ |
| |
| # if GNULIB_CANONICALIZE |
| enum canonicalize_mode_t |
| { |
| /* All components must exist. */ |
| CAN_EXISTING = 0, |
| |
| /* All components excluding last one must exist. */ |
| CAN_ALL_BUT_LAST = 1, |
| |
| /* No requirements on components existence. */ |
| CAN_MISSING = 2 |
| }; |
| 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_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_ */ |