lib/msvc-nothrow.c

/* Wrappers that don't throw invalid parameter notifications
   with MSVC runtime libraries.
   Copyright (C) 2011-2026 Free Software Foundation, Inc.

   This file is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as
   published by the Free Software Foundation; either version 2.1 of the
   License, or (at your option) any later version.

   This file is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

#include <config.h>

/* Specification.  */
#include "msvc-nothrow.h"

/* Get declarations of the native Windows API functions.  */
#define WIN32_LEAN_AND_MEAN
#include <windows.h>

#if HAVE_MSVC_INVALID_PARAMETER_HANDLER
# include "msvc-inval.h"
#endif

#undef _get_osfhandle

#if HAVE_MSVC_INVALID_PARAMETER_HANDLER
intptr_t
_gl_nothrow_get_osfhandle (int fd)
{
  intptr_t result;

  TRY_MSVC_INVAL
    {
      result = _get_osfhandle (fd);
    }
  CATCH_MSVC_INVAL
    {
      result = (intptr_t) INVALID_HANDLE_VALUE;
    }
  DONE_MSVC_INVAL;

  return result;
}
#endif