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| 1 /* Return the canonical absolute name of a given file. |
| 2 Copyright (C) 1996-2007 Free Software Foundation, Inc. |
| 3 |
| 4 This program is free software: you can redistribute it and/or modify |
| 5 it under the terms of the GNU General Public License as published by |
| 6 the Free Software Foundation; either version 3 of the License, or |
| 7 (at your option) any later version. |
| 8 |
| 9 This program is distributed in the hope that it will be useful, |
| 10 but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 GNU General Public License for more details. |
| 13 |
| 14 You should have received a copy of the GNU General Public License |
| 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 16 |
| 17 #ifndef CANONICALIZE_H_ |
| 18 # define CANONICALIZE_H_ |
| 19 |
| 20 # if GNULIB_CANONICALIZE |
| 21 enum canonicalize_mode_t |
| 22 { |
| 23 /* All components must exist. */ |
| 24 CAN_EXISTING = 0, |
| 25 |
| 26 /* All components excluding last one must exist. */ |
| 27 CAN_ALL_BUT_LAST = 1, |
| 28 |
| 29 /* No requirements on components existence. */ |
| 30 CAN_MISSING = 2 |
| 31 }; |
| 32 typedef enum canonicalize_mode_t canonicalize_mode_t; |
| 33 |
| 34 /* Return a malloc'd string containing the canonical absolute name of |
| 35 the named file. This acts like canonicalize_file_name, except that |
| 36 whether components must exist depends on the canonicalize_mode_t |
| 37 argument. */ |
| 38 char *canonicalize_filename_mode (const char *, canonicalize_mode_t); |
| 39 # endif |
| 40 |
| 41 # if HAVE_DECL_CANONICALIZE_FILE_NAME |
| 42 # include <stdlib.h> |
| 43 # else |
| 44 /* Return a malloc'd string containing the canonical absolute name of |
| 45 the named file. If any file name component does not exist or is a |
| 46 symlink to a nonexistent file, return NULL. A canonical name does |
| 47 not contain any `.', `..' components nor any repeated file name |
| 48 separators ('/') or symlinks. */ |
| 49 char *canonicalize_file_name (const char *); |
| 50 # endif |
| 51 |
| 52 #endif /* !CANONICALIZE_H_ */ |
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