src/zero.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Simple x264 Launcher
   3 // Copyright (C) 2004-2018 LoRd_MuldeR <MuldeR2@GMX.de>
   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 2 of the License, or
   8 // (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 along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 //MUtils
  23 #include <MUtils/OSSupport.h>
  24
  25 //Qt
  26 #include <QtGlobal>
  27
  28 ///////////////////////////////////////////////////////////////////////////////
  29 // GLOBAL FUNCTIONS
  30 ///////////////////////////////////////////////////////////////////////////////
  31
  32 static size_t x264_entry_check(void);
  33 static size_t g_x264_entry_check_result = x264_entry_check();
  34 static size_t g_x264_entry_check_flag = 0x789E09B2;
  35
  36 /*
  37  * Entry point checks
  38  */
  39 static size_t x264_entry_check(void)
  40 {
  41         volatile size_t retVal = 0xA199B5AF;
  42         if(g_x264_entry_check_flag != 0x8761F64D)
  43         {
  44                 MUtils::OS::fatal_exit(L"Application initialization has failed, take care!");
  45         }
  46         return retVal;
  47 }
  48
  49 /*
  50  * Function declarations
  51  */
  52 extern "C" int mainCRTStartup(void);
  53
  54 /*
  55  * Application entry point (runs before static initializers)
  56  */
  57 extern "C" int x264_entry_point(void)
  58 {
  59         if(g_x264_entry_check_flag != 0x789E09B2)
  60         {
  61                 MUtils::OS::fatal_exit(L"Application initialization has failed, take care!");
  62         }
  63
  64         //Make sure we will pass the check
  65         g_x264_entry_check_flag = ~g_x264_entry_check_flag;
  66
  67         //Now initialize the C Runtime library!
  68         return mainCRTStartup();
  69 }