(root)/
m4-1.4.19/
lib/
msvc-nothrow.c
       1  /* Wrappers that don't throw invalid parameter notifications
       2     with MSVC runtime libraries.
       3     Copyright (C) 2011-2021 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 <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <config.h>
      19  
      20  /* Specification.  */
      21  #include "msvc-nothrow.h"
      22  
      23  /* Get declarations of the native Windows API functions.  */
      24  #define WIN32_LEAN_AND_MEAN
      25  #include <windows.h>
      26  
      27  #if HAVE_MSVC_INVALID_PARAMETER_HANDLER
      28  # include "msvc-inval.h"
      29  #endif
      30  
      31  #undef _get_osfhandle
      32  
      33  #if HAVE_MSVC_INVALID_PARAMETER_HANDLER
      34  intptr_t
      35  _gl_nothrow_get_osfhandle (int fd)
      36  {
      37    intptr_t result;
      38  
      39    TRY_MSVC_INVAL
      40      {
      41        result = _get_osfhandle (fd);
      42      }
      43    CATCH_MSVC_INVAL
      44      {
      45        result = (intptr_t) INVALID_HANDLE_VALUE;
      46      }
      47    DONE_MSVC_INVAL;
      48  
      49    return result;
      50  }
      51  #endif