lib/msvc-nothrow.c

   1 /* Wrappers that don't throw invalid parameter notifications
   2    with MSVC runtime libraries.
   3    Copyright (C) 2011-2024 Free Software Foundation, Inc.
   4
   5    This file is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU Lesser General Public License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    License, or (at your option) any later version.
   9
  10    This file 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
  16    along 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