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#include <stdarg.h>
#include "test.h"
typedef struct {
char g;
} G;
typedef struct {
float f;
} F;
typedef struct {
char l;
float d;
} A;
typedef struct __attribute__((aligned(32))) {
char c;
char pad[31]; // ensure struct size >= alignment
} Aligned1024;
long double test_variadic(G g0, G g1, F f0, F f1, int i0, int i1, ...) {
va_list ap;
va_start(ap, i1);
long double ret = i0 + i1;
printf("start ret=%Lf\n", ret);
ASSERT(300, ret);
// Read long double
long double ld = va_arg(ap, long double);
ret += ld;
printf("after long double ret=%Lf\n", ret);
ASSERT(301, ret);
// Read Aligned1024
Aligned1024 s1 = va_arg(ap, Aligned1024);
ret += s1.c;
printf("after Aligned1024 ret=%Lf (s1.c=%d)\n", ret, s1.c);
ASSERT(378, ret);
// Read int
int i2 = va_arg(ap, int);
ret += i2;
printf("after int ret=%Lf (i2=%d)\n", ret, i2);
ASSERT(678, ret);
// Read double
double d = va_arg(ap, double);
ret += d;
printf("after double ret=%Lf (d=%f)\n", ret, d);
ASSERT(683, ret);
// Read another Aligned1024
Aligned1024 s2 = va_arg(ap, Aligned1024);
ret += s2.c;
printf("after second Aligned1024 ret=%Lf (s2.c=%d)\n", ret, s2.c);
ASSERT(760, ret);
int i3 = va_arg(ap, int);
ret += i3;
printf("after last int ret=%Lf (d=%d)\n", ret, i3);
ASSERT(1160, ret);
va_end(ap);
return ret;
}
int main(void) {
G g0 = {10}, g1 = {11};
F f0 = {20.0}, f1 = {21.0};
Aligned1024 s = {.c = 77};
long double res = test_variadic(
g0, g1,
f0, f1,
100, 200,
(long double)1.5,
s,
300,
(double)4.5,
s,
400
);
printf("Final result: %Lf\n", res);
ASSERT(1160, res);
return 0;
}
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