| 1 | /* Return the canonical absolute name of a given file.
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| 2 | Copyright (C) 1996-2006 Free Software Foundation, Inc.
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| 3 |
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| 4 | This program is free software; you can redistribute it and/or modify
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| 5 | it under the terms of the GNU General Public License as published by
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| 6 | the Free Software Foundation; either version 2, or (at your option)
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| 7 | any later version.
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| 8 |
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| 9 | This program is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public License
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| 15 | along with this program; see the file COPYING.
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| 16 | If not, write to the Free Software Foundation,
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| 17 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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| 18 |
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| 19 | #ifndef CANONICALIZE_H_
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| 20 | # define CANONICALIZE_H_
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| 21 |
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| 22 | # ifdef PROVIDE_CANONICALIZE_FILENAME_MODE
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| 23 | enum canonicalize_mode_t
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| 24 | {
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| 25 | /* All components must exist. */
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| 26 | CAN_EXISTING = 0,
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| 27 |
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| 28 | /* All components excluding last one must exist. */
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| 29 | CAN_ALL_BUT_LAST = 1,
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| 30 |
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| 31 | /* No requirements on components existence. */
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| 32 | CAN_MISSING = 2
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| 33 | };
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| 34 | typedef enum canonicalize_mode_t canonicalize_mode_t;
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| 35 |
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| 36 | /* Return a malloc'd string containing the canonical absolute name of
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| 37 | the named file. This acts like canonicalize_file_name, except that
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| 38 | whether components must exist depends on the canonicalize_mode_t
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| 39 | argument. */
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| 40 | char *canonicalize_filename_mode (const char *, canonicalize_mode_t);
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| 41 | # endif
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| 42 |
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| 43 | # if HAVE_DECL_CANONICALIZE_FILE_NAME
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| 44 | # include <stdlib.h>
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| 45 | # else
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| 46 | /* Return a malloc'd string containing the canonical absolute name of
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| 47 | the named file. If any file name component does not exist or is a
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| 48 | symlink to a nonexistent file, return NULL. A canonical name does
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| 49 | not contain any `.', `..' components nor any repeated file name
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| 50 | separators ('/') or symlinks. */
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| 51 | char *canonicalize_file_name (const char *);
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| 52 | # endif
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| 53 |
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| 54 | #endif /* !CANONICALIZE_H_ */
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