/** Tests argument passing to functions via va_args. Assumes that up to the first two arguments can be passed in registers. type1: char, int type2: char, int type3: char, int */ #include #include static {type1} returnFirstArg(int marker, ...) { va_list ap; {type1} i; va_start(ap, marker); i = va_arg(ap, {type1}); va_end(ap); LOG(("Returning %u\n", i)); return i; } static {type2} returnSecondArg(int marker, ...) { va_list ap; {type2} i; va_start(ap, marker); UNUSED(va_arg(ap, {type1})); i = va_arg(ap, {type2}); va_end(ap); LOG(("Returning %u\n", i)); return i; } static {type3} returnThirdArg(int marker, ...) { va_list ap; {type3} i; va_start(ap, marker); UNUSED(va_arg(ap, {type1})); UNUSED(va_arg(ap, {type2})); i = va_arg(ap, {type3}); va_end(ap); LOG(("Returning %u\n", i)); return i; } void disabled_testArgs(void) { int marker = 12; LOG(("First arg: %u\n", returnFirstArg(marker, ({type1})123, ({type2})45, ({type3})67))); ASSERT(returnFirstArg(marker, ({type1})123, ({type2})45, ({type3})67) == 123); ASSERT(returnFirstArg(marker, ({type1})-123, ({type2})45, ({type3})67) == -123); ASSERT(returnSecondArg(marker, ({type1})1, ({type2})-23, ({type3})64) == -23); ASSERT(returnSecondArg(marker, ({type1})1, ({type2})8, ({type3})64) == 8); ASSERT(returnThirdArg(marker, -33, -34, -35) == -35); ASSERT(returnThirdArg(marker, -33, -34, 35) == 35); }