xapian-core  1.4.19
safesysstat.h
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1 
4 /* Copyright (C) 2007,2012,2017 Olly Betts
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License as
8  * published by the Free Software Foundation; either version 2 of the
9  * License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
19  * USA
20  */
21 
22 #ifndef XAPIAN_INCLUDED_SAFESYSSTAT_H
23 #define XAPIAN_INCLUDED_SAFESYSSTAT_H
24 
25 #include <sys/stat.h>
26 #include <sys/types.h>
27 
28 #ifdef __WIN32__
29 
30 // MSVC lacks these POSIX macros and other compilers may too:
31 #ifndef S_ISDIR
32 # define S_ISDIR(ST_MODE) (((ST_MODE) & _S_IFMT) == _S_IFDIR)
33 #endif
34 #ifndef S_ISREG
35 # define S_ISREG(ST_MODE) (((ST_MODE) & _S_IFMT) == _S_IFREG)
36 #endif
37 
38 // On UNIX, mkdir() is prototyped in <sys/stat.h> but on Windows it's in
39 // <direct.h>, so just include that from here to avoid build failures on
40 // MSVC just because of some new use of mkdir(). This also reduces the
41 // number of conditionalised #include statements we need in the sources.
42 #include <direct.h>
43 
44 // Add overloaded version of mkdir which takes an (ignored) mode argument
45 // to allow source code to just specify a mode argument unconditionally.
46 //
47 // The () around mkdir are in case it's defined as a macro.
48 inline int (mkdir)(const char *pathname, mode_t /*mode*/) {
49  return _mkdir(pathname);
50 }
51 
52 #else
53 
54 // These were specified by POSIX.1-1996, so most platforms should have
55 // these by now:
56 #ifndef S_ISDIR
57 # define S_ISDIR(ST_MODE) (((ST_MODE) & S_IFMT) == S_IFDIR)
58 #endif
59 #ifndef S_ISREG
60 # define S_ISREG(ST_MODE) (((ST_MODE) & S_IFMT) == S_IFREG)
61 #endif
62 
63 #endif
64 
65 #endif /* XAPIAN_INCLUDED_SAFESYSSTAT_H */