Use memcpy rather ReadProcessMemory

230131-inlinehook/simplehook.cpp

@@ -47,13 +47,12 @@ void inithook()
     hook_jump[8] = 0x04; // mov dword [rsp+4], yyy
     *(long *)&hook_jump[9] = ptr64.hi; // yyy，即地址的高4位
     hook_jump[13] = 0xC3; // ret
-    ReadProcessMemory(GetCurrentProcess(), hook_func, old_entry, HOOK_JUMP_LEN, NULL);
 #endif
 #ifdef _CPU_X86
     hook_jump[0] = 0xE9;
     *(long *)&hook_jump[1] = (BYTE *)fk_WriteConsoleA - (BYTE *)hook_func - 5;
-    ReadProcessMemory(GetCurrentProcess(), hook_func, old_entry, HOOK_JUMP_LEN, NULL);
 #endif
+    memcpy(&old_entry, hook_func, HOOK_JUMP_LEN);
 }
 
 void dohook()