IntHook

Simple hooking library based on interrupt exceptions

Example

inthook/main.cpp

Lines 4 to 29 in 60e2d5b

	typedef int (WINAPI* tMessageBoxA)(HWND hWnd, LPCSTR lpText, LPCSTR lpCaption, UINT uType);
	tMessageBoxA oMessageBoxA;
	int WINAPI hMessageBoxA(HWND hWnd, LPCSTR lpText, LPCSTR lpCaption, UINT uType) {
	printf(":)");
	return oMessageBoxA(hWnd, "hooked", lpCaption, MB_ICONWARNING | uType);
	}
	int main() {
	if (!inthook::init())
	return 1;
	if (!inthook::create(MessageBoxA, &hMessageBoxA, reinterpret_cast<void*&>(oMessageBoxA)))
	return 2;
	MessageBoxA(0, "hello world", "hello world", MB_OK);
	inthook::remove(MessageBoxA);
	MessageBoxA(0, "hello world", "hello world", MB_OK);
	inthook::uninit();
	getchar();
	return 0;
	}