| 9 | 
   | 
          | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 10 | 
   | 
         if (VirtualProtect(from, 5, PAGE_EXECUTE_READWRITE, &oldp)) | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 11 | 
   | 
         { | 
 
 
 
 
 
 
 
 
 
 
 
 | 12 | 
 < | 
                 *((char*)from) = 0xe9; // jmp rel32 | 
 
 
 
 
 
 
 
 
 
 | 12 | 
 > | 
                 *((unsigned char*)from) = 0xe9; // jmp rel32 | 
 
 
 
 
 
 
 
 
 
 
 
 | 13 | 
   | 
                 from = (char*)from + 1; | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 14 | 
   | 
                 *(int*)from = (unsigned int)to - (unsigned int)from - 4; | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 15 | 
   | 
                 VirtualProtect(from, 5, oldp, &oldp); | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 25 | 
   | 
          | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 26 | 
   | 
         if (VirtualProtect(from, 5, PAGE_EXECUTE_READWRITE, &oldp)) | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 27 | 
   | 
         { | 
 
 
 
 
 
 
 
 
 
 
 
 | 28 | 
 < | 
                 *((char*)from) = 0xe8; // call rel32 | 
 
 
 
 
 
 
 
 
 
 | 28 | 
 > | 
                 *((unsigned char*)from) = 0xe8; // call rel32 | 
 
 
 
 
 
 
 
 
 
 
 
 | 29 | 
   | 
                 from = (char*)from + 1; | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 30 | 
   | 
                 *(int*)from = (unsigned int)to - (unsigned int)from - 4; | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 31 | 
   | 
                 VirtualProtect(from, 5, oldp, &oldp); | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 35 | 
   | 
                 return false; | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 36 | 
   | 
 } | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 37 | 
   | 
  | 
 
 
 
 
 
 
 
 
 
 
 
 | 38 | 
 < | 
 bool DDrPatch_String(char* dest, const char* string, int length) | 
 
 
 
 
 
 
 
 
 
 | 38 | 
 > | 
 bool DDrPatch_String(char* dest, const unsigned char* string, int length) | 
 
 
 
 
 
 
 
 
 
 
 
 | 39 | 
   | 
 { | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 40 | 
   | 
         DWORD oldp; | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 41 | 
   | 
          | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 49 | 
   | 
                 return false; | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 50 | 
   | 
 } | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 51 | 
   | 
  | 
 
 
 
 
 
 
 
 
 
 
 
 | 52 | 
 < | 
 bool DDrPatch_Byte(char* dest, char value) | 
 
 
 
 
 
 
 
 
 
 | 52 | 
 > | 
 bool DDrPatch_Byte(char* dest, unsigned char value) | 
 
 
 
 
 
 
 
 
 
 
 
 | 53 | 
   | 
 { | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 54 | 
   | 
         DWORD oldp; | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 55 | 
   | 
          | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 63 | 
   | 
                 return false; | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 64 | 
   | 
 } | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 65 | 
   | 
  | 
 
 
 
 
 
 
 
 
 
 
 
 | 66 | 
 < | 
 bool DDrPatch_Int32(int* dest, int value) | 
 
 
 
 
 
 
 
 
 
 | 66 | 
 > | 
 bool DDrPatch_Int32(int* dest, unsigned int value) | 
 
 
 
 
 
 
 
 
 
 
 
 | 67 | 
   | 
 { | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 68 | 
   | 
         DWORD oldp; | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 69 | 
   | 
          | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 77 | 
   | 
                 return false; | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 78 | 
   | 
 } | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 79 | 
   | 
  | 
 
 
 
 
 
 
 
 
 
 
 
 | 80 | 
 < | 
 bool DDrPatch_Int16(short* dest, short value) | 
 
 
 
 
 
 
 
 
 
 | 80 | 
 > | 
 bool DDrPatch_Int16(short* dest, unsigned short value) | 
 
 
 
 
 
 
 
 
 
 
 
 | 81 | 
   | 
 { | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 82 | 
   | 
         DWORD oldp; | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 83 | 
   | 
          |