src/Utils/COMError.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2009 - TortoiseSVN
   4
   5 // This program is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) 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
  16 // along with this program; if not, write to the Free Software Foundation,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 #include "stdafx.h"
  20 #include "COMError.h"
  21
  22 #pragma comment(lib, "Rpcrt4.lib")
  23
  24 COMError::COMError(HRESULT hr)
  25 {
  26         _com_error e(hr);
  27         IErrorInfo *pIErrorInfo = NULL;
  28         GetErrorInfo(0, &pIErrorInfo);
  29
  30         if (pIErrorInfo == NULL)
  31         {
  32                 e = _com_error(hr);
  33                 message = e.ErrorMessage();
  34         }
  35         else
  36         {
  37                 e = _com_error(hr, pIErrorInfo);
  38                 message = e.ErrorMessage();
  39                 IErrorInfo *ptrIErrorInfo = e.ErrorInfo();
  40                 if (ptrIErrorInfo != NULL)
  41                 {
  42                         // IErrorInfo Interface located
  43                         description = (WCHAR *)e.Description();
  44                         source = (WCHAR *)e.Source();
  45                         GUID tmpGuid = e.GUID();
  46                         RPC_WSTR guidStr = NULL;
  47                         // must link in Rpcrt4.lib for UuidToString
  48                         UuidToString(&tmpGuid, &guidStr);
  49                         uuid = (WCHAR*)guidStr;
  50                         RpcStringFree(&guidStr);
  51
  52                         ptrIErrorInfo->Release();
  53                 }
  54         }
  55 }
  56
  57 COMError::~COMError()
  58 {
  59
  60 }