aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/tools/bison/gnulib/src/filename.h
blob: 31617cfb954615ef2190e96724011522013e3a78 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
/* Basic filename support macros. 
   Copyright (C) 2001-2004, 2007-2013 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 _FILENAME_H 
#define _FILENAME_H 
 
#ifdef __cplusplus 
extern "C" { 
#endif 
 
 
/* Pathname support. 
   ISSLASH(C)           tests whether C is a directory separator character. 
   IS_ABSOLUTE_PATH(P)  tests whether P is an absolute path.  If it is not, 
                        it may be concatenated to a directory pathname. 
   IS_PATH_WITH_DIR(P)  tests whether P contains a directory specification. 
 */ 
#if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__ 
  /* Native Windows, Cygwin, OS/2, DOS */ 
# define ISSLASH(C) ((C) == '/' || (C) == '\\') 
# define HAS_DEVICE(P) \ 
    ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \ 
     && (P)[1] == ':') 
# define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P)) 
# define IS_PATH_WITH_DIR(P) \ 
    (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P)) 
# define FILE_SYSTEM_PREFIX_LEN(P) (HAS_DEVICE (P) ? 2 : 0) 
#else 
  /* Unix */ 
# define ISSLASH(C) ((C) == '/') 
# define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0]) 
# define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL) 
# define FILE_SYSTEM_PREFIX_LEN(P) 0 
#endif 
 
 
#ifdef __cplusplus 
} 
#endif 
 
#endif /* _FILENAME_H */