| 1 | /* Basic filename support macros.
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| 2 | Copyright (C) 2001-2004, 2007-2012 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 3 of the License, or
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| 7 | (at your option) 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. If not, see <http://www.gnu.org/licenses/>. */
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| 16 |
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| 17 | #ifndef _FILENAME_H
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| 18 | #define _FILENAME_H
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| 19 |
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| 20 | #ifdef __cplusplus
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| 21 | extern "C" {
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| 22 | #endif
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| 23 |
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| 24 |
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| 25 | /* Pathname support.
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| 26 | ISSLASH(C) tests whether C is a directory separator character.
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| 27 | IS_ABSOLUTE_PATH(P) tests whether P is an absolute path. If it is not,
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| 28 | it may be concatenated to a directory pathname.
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| 29 | IS_PATH_WITH_DIR(P) tests whether P contains a directory specification.
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| 30 | */
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| 31 | #if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__
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| 32 | /* Native Windows, Cygwin, OS/2, DOS */
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| 33 | # define ISSLASH(C) ((C) == '/' || (C) == '\\')
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| 34 | # define HAS_DEVICE(P) \
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| 35 | ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \
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| 36 | && (P)[1] == ':')
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| 37 | # define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P))
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| 38 | # define IS_PATH_WITH_DIR(P) \
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| 39 | (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P))
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| 40 | # define FILE_SYSTEM_PREFIX_LEN(P) (HAS_DEVICE (P) ? 2 : 0)
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| 41 | #else
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| 42 | /* Unix */
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| 43 | # define ISSLASH(C) ((C) == '/')
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| 44 | # define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0])
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| 45 | # define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL)
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| 46 | # define FILE_SYSTEM_PREFIX_LEN(P) 0
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| 47 | #endif
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| 48 |
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| 49 |
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| 50 | #ifdef __cplusplus
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| 51 | }
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| 52 | #endif
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| 53 |
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| 54 | #endif /* _FILENAME_H */
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