44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/* Wrappers that don't throw invalid parameter notifications
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with MSVC runtime libraries.
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Copyright (C) 2011-2023 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#ifndef _MSVC_NOTHROW_H
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#define _MSVC_NOTHROW_H
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/* With MSVC runtime libraries with the "invalid parameter handler" concept,
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functions like fprintf(), dup2(), or close() crash when the caller passes
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an invalid argument. But POSIX wants error codes (such as EINVAL or EBADF)
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instead.
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This file defines wrappers that turn such an invalid parameter notification
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into an error code. */
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#if defined _WIN32 && ! defined __CYGWIN__
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/* Get original declaration of _get_osfhandle. */
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# include <io.h>
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# if HAVE_MSVC_INVALID_PARAMETER_HANDLER
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/* Override _get_osfhandle. */
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extern intptr_t _gl_nothrow_get_osfhandle (int fd);
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# define _get_osfhandle _gl_nothrow_get_osfhandle
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# endif
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#endif
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#endif /* _MSVC_NOTHROW_H */
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