Enchant: libgnu/msvc-nothrow.h Source File

Enchant Generic spell checking library

msvc-nothrow.h
1 /* Wrappers that don't throw invalid parameter notifications
2 with MSVC runtime libraries.
3 Copyright (C) 2011-2024 Free Software Foundation, Inc.
4
5 This file is free software: you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as
7 published by the Free Software Foundation; either version 2.1 of the
8 License, or (at your option) any later version.
9
10 This file 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 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public License
16 along with this program. If not, see <https://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 /* This file uses HAVE_MSVC_INVALID_PARAMETER_HANDLER. */
29 #if !_GL_CONFIG_H_INCLUDED
30 #error "Please include config.h first."
31 #endif
32
33 #if defined _WIN32 && ! defined __CYGWIN__
34
35 /* Get original declaration of _get_osfhandle. */
36 # include <io.h>
37
38 # ifdef __cplusplus
39 extern "C" {
40 # endif
41
42 # if HAVE_MSVC_INVALID_PARAMETER_HANDLER
43
44 /* Override _get_osfhandle. */
45 extern intptr_t _gl_nothrow_get_osfhandle (int fd);
46 # define _get_osfhandle _gl_nothrow_get_osfhandle
47
48 # endif
49
50 # ifdef __cplusplus
51 }
52 # endif
53
54 #endif
55
56 #endif /* _MSVC_NOTHROW_H */