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6ec2e0f5 | 1 | /* Basic filename support macros. |
5df4cba6 | 2 | Copyright (C) 2001-2004, 2007-2020 Free Software Foundation, Inc. |
6ec2e0f5 SDJ |
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 | |
c0c3707f | 15 | along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
6ec2e0f5 SDJ |
16 | |
17 | #ifndef _FILENAME_H | |
18 | #define _FILENAME_H | |
19 | ||
20 | #ifdef __cplusplus | |
21 | extern "C" { | |
22 | #endif | |
23 | ||
24 | ||
25 | /* Pathname support. | |
26 | ISSLASH(C) tests whether C is a directory separator character. | |
27 | IS_ABSOLUTE_PATH(P) tests whether P is an absolute path. If it is not, | |
28 | it may be concatenated to a directory pathname. | |
29 | IS_PATH_WITH_DIR(P) tests whether P contains a directory specification. | |
30 | */ | |
c0c3707f | 31 | #if defined _WIN32 || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__ |
6ec2e0f5 SDJ |
32 | /* Native Windows, Cygwin, OS/2, DOS */ |
33 | # define ISSLASH(C) ((C) == '/' || (C) == '\\') | |
34 | # define HAS_DEVICE(P) \ | |
35 | ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \ | |
36 | && (P)[1] == ':') | |
37 | # define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P)) | |
38 | # define IS_PATH_WITH_DIR(P) \ | |
39 | (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P)) | |
40 | # define FILE_SYSTEM_PREFIX_LEN(P) (HAS_DEVICE (P) ? 2 : 0) | |
41 | #else | |
42 | /* Unix */ | |
43 | # define ISSLASH(C) ((C) == '/') | |
44 | # define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0]) | |
45 | # define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL) | |
46 | # define FILE_SYSTEM_PREFIX_LEN(P) 0 | |
47 | #endif | |
48 | ||
49 | ||
50 | #ifdef __cplusplus | |
51 | } | |
52 | #endif | |
53 | ||
54 | #endif /* _FILENAME_H */ |