lib/msvc-nothrow.c

   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 Lesser General Public License as published by
   7    the Free Software Foundation; either version 2, 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 Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public License along
  16    with this program; if not, write to the Free Software Foundation,
  17    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  18
  19 #include <config.h>
  20
  21 /* Specification.  */
  22 #include "msvc-nothrow.h"
  23
  24 /* Get declarations of the native Windows API functions.  */
  25 #define WIN32_LEAN_AND_MEAN
  26 #include <windows.h>
  27
  28 #include "msvc-inval.h"
  29
  30 #undef _get_osfhandle
  31
  32 #if HAVE_MSVC_INVALID_PARAMETER_HANDLER
  33 intptr_t
  34 _gl_nothrow_get_osfhandle (int fd)
  35 {
  36   intptr_t result;
  37
  38   TRY_MSVC_INVAL
  39     {
  40       result = _get_osfhandle (fd);
  41     }
  42   CATCH_MSVC_INVAL
  43     {
  44       result = (intptr_t) INVALID_HANDLE_VALUE;
  45     }
  46   DONE_MSVC_INVAL;
  47
  48   return result;
  49 }
  50 #endif