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6ec2e0f5 SDJ |
1 | /* Wrappers that don't throw invalid parameter notifications |
2 | with MSVC runtime libraries. | |
5e8754f9 | 3 | Copyright (C) 2011-2016 Free Software Foundation, Inc. |
6ec2e0f5 SDJ |
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 | |
5e8754f9 | 16 | with this program; if not, see <http://www.gnu.org/licenses/>. */ |
6ec2e0f5 SDJ |
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 | ||
5e8754f9 | 28 | #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
6ec2e0f5 SDJ |
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 */ |