| 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 |  |  |