reactos/tools/rbuild/backend/msvc/genguid.cpp

   1 /*
   2  *  Based on the genguid utility for WINE and ReactOS
   3  *
   4  *  Copyright 2003 Jonathan Wilson
   5  *  Copyright 2005 Steven Edwards
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  */
  22
  23 #include <objbase.h>
  24 #include <stdio.h>
  25
  26 static HRESULT (*pCoInitialize)(PVOID);
  27 static void (*pCoUninitialize)(void);
  28 static HRESULT (*pCoCreateGuid)(GUID*);
  29
  30 void gen_guid()
  31 {
  32         GUID m_guid;
  33         HRESULT result;
  34         char *strfmt = "";
  35         HMODULE olelib;
  36
  37     /* Load ole32. We will need it later on */
  38         olelib = LoadLibraryA( "ole32.dll" );
  39
  40         if (olelib != NULL)
  41                 pCoInitialize = (HRESULT (*)(void*))GetProcAddress( olelib, "CoInitialize" );
  42                 pCoUninitialize = (void (*)())GetProcAddress( olelib, "CoUninitialize" );
  43                 pCoCreateGuid = (HRESULT (*)(GUID*))GetProcAddress( olelib, "CoCreateGuid" );
  44
  45         if (pCoInitialize(NULL) != S_OK)
  46         {
  47                 printf("Unable to initalize OLE libraries\n");
  48         }
  49         result = pCoCreateGuid(&m_guid);
  50         if (result != S_OK) {
  51                 printf("Unable to create GUID\n");
  52                 pCoUninitialize();
  53         }
  54         strfmt = "%08lX-%04X-%04x-%02X%02X-%02X%02X%02X%02X%02X%02X\r\n";
  55         printf(strfmt,m_guid.Data1,m_guid.Data2,m_guid.Data3,m_guid.Data4[0],
  56         m_guid.Data4[1],m_guid.Data4[2],m_guid.Data4[3],m_guid.Data4[4],m_guid.Data4[5],
  57         m_guid.Data4[6],m_guid.Data4[7],m_guid.Data1,m_guid.Data2,m_guid.Data3,m_guid.Data4[0],
  58         m_guid.Data4[1],m_guid.Data4[2],m_guid.Data4[3],m_guid.Data4[4],m_guid.Data4[5],
  59         m_guid.Data4[6],m_guid.Data4[7]);
  60         pCoUninitialize();
  61 }