Fake Function Framework: Trick for replacing system functions

proxy.fff.h

#pragma once

#include "fff.h"

#include <stdarg.h>

//#ifdef FFF_GENERATE_FAKE_DEFINES
//#define FFF_EXTERN extern __declspec(dllexport)
//#else
//#define FFF_EXTERN extern __declspec(dllimport)
//#endif

#define DECLARE_FAKE_VALUE_FUNC_PROXY1(RETURN_TYPE, FUNCNAME, ARG0_TYPE) \
    FFF_EXTERN RETURN_TYPE FUNCNAME##_proxy(ARG0_TYPE arg0);\
    DECLARE_FAKE_VALUE_FUNC1(RETURN_TYPE, FUNCNAME##_proxy, ARG0_TYPE)

#define DEFINE_FAKE_VALUE_FUNC_PROXY1(RETURN_TYPE, FUNCNAME, ARG0_TYPE) \
    DEFINE_FAKE_VALUE_FUNC1(RETURN_TYPE, FUNCNAME##_proxy, ARG0_TYPE)

DECLARE_FAKE_VALUE_FUNC_PROXY1(int, puts, const char *);

// proxy.fff.c
//DEFINE_FFF_GLOBALS;
//DEFINE_FAKE_VALUE_FUNC_PROXY1(int, puts, const char *);

// main.c
// #define puts puts_proxy
// #include "testee/main.c"
// #undef puts