1 /* Wrappers that don't throw invalid parameter notifications 2 with MSVC runtime libraries. 3 Copyright (C) 2011-2012 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 */ 44
