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#include <stdarg.h>
#include "test.h"
typedef struct {
int x;
int y;
} Point;
typedef struct {
int i;
double d;
} Mixed;
typedef union {
int i;
float f;
} IntOrFloat;
typedef struct {
long a;
long b;
} Pair;
typedef struct {
int a, b, c, d, e;
} BigStruct;
int test_big_struct(int count, ...) {
va_list ap;
va_start(ap, count);
BigStruct bs = va_arg(ap, BigStruct);
va_end(ap);
return bs.a + bs.b + bs.c + bs.d + bs.e;
}
long test_multi(int count, ...) {
va_list ap;
va_start(ap, count);
int x = va_arg(ap, int);
Pair p = va_arg(ap, Pair);
double d = va_arg(ap, double);
va_end(ap);
return x + p.a + p.b + (long)d;
}
int test_union_int(int count, ...) {
va_list ap;
va_start(ap, count);
IntOrFloat u = va_arg(ap, IntOrFloat);
va_end(ap);
return u.i;
}
int test_mixed_struct(int count, ...) {
va_list ap;
va_start(ap, count);
Mixed m = va_arg(ap, Mixed);
va_end(ap);
return m.i + (int)m.d;
}
int test_struct_sum(int count, ...) {
va_list ap;
va_start(ap, count);
Point p = va_arg(ap, Point);
va_end(ap);
return p.x + p.y;
}
int main() {
ASSERT(30, test_struct_sum(1, (Point){10, 20}));
ASSERT(15, test_mixed_struct(1, (Mixed){5, 10.5}));
ASSERT(42, test_union_int(1, (IntOrFloat){42}));
ASSERT(1 + 2 + 3 + 4, test_multi(3, 1, (Pair){2,3}, 4.0));
ASSERT(15, test_big_struct(1, (BigStruct){1,2,3,4,5}));
return 0;
}
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