dhcpd-pools  2.28
ISC dhcpd lease usage analyser
msvc-nothrow.h
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1 /* Wrappers that don't throw invalid parameter notifications
2  with MSVC runtime libraries.
3  Copyright (C) 2011-2015 Free Software Foundation, Inc.
4 
5  This program is free software; you can redistribute it and/or modify
6  it under the terms of the GNU General Public License as published by
7  the Free Software Foundation; either version 3, or (at your option)
8  any later version.
9 
10  This program is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  GNU General Public License for more details.
14 
15  You should have received a copy of the GNU General Public License along
16  with this program; if not, see <http://www.gnu.org/licenses/>. */
17 
18 #ifndef _MSVC_NOTHROW_H
19 #define _MSVC_NOTHROW_H
20 
21 /* With MSVC runtime libraries with the "invalid parameter handler" concept,
22  functions like fprintf(), dup2(), or close() crash when the caller passes
23  an invalid argument. But POSIX wants error codes (such as EINVAL or EBADF)
24  instead.
25  This file defines wrappers that turn such an invalid parameter notification
26  into an error code. */
27 
28 #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
29 
30 /* Get original declaration of _get_osfhandle. */
31 # include <io.h>
32 
33 # if HAVE_MSVC_INVALID_PARAMETER_HANDLER
34 
35 /* Override _get_osfhandle. */
36 extern intptr_t _gl_nothrow_get_osfhandle (int fd);
37 # define _get_osfhandle _gl_nothrow_get_osfhandle
38 
39 # endif
40 
41 #endif
42 
43 #endif /* _MSVC_NOTHROW_H */
#define intptr_t
Definition: stdint.in.h:295