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#include <stddef.h>
#include <stdarg.h>
#include "test.h"
typedef struct {
int a; // 4 bytes
} SmallStruct;
typedef struct {
int a; // 4 bytes
double b; // 8 bytes
} MediumStruct;
typedef struct {
double a; // 8 bytes
double b; // 8 bytes
double c; // 8 bytes
} LargeStruct;
void print_large(int n, ...) {
va_list ap;
va_start(ap, n);
for (int i = 0; i < n; i++) {
LargeStruct s = va_arg(ap, LargeStruct);
printf("LargeStruct %d: a = %f, b = %f, c = %f\n", i, s.a, s.b, s.c);
if (i == 0) {
ASSERT(1, s.a);
ASSERT(1, s.b);
ASSERT(1, s.c);
}
}
va_end(ap);
}
void print_medium(int n, ...) {
va_list ap;
va_start(ap, n);
for (int i = 0; i < n; i++) {
MediumStruct s = va_arg(ap, MediumStruct);
printf("MediumStruct %d: a = %d, b = %f\n", i, s.a, s.b);
if (i == 0) {
ASSERT(1, s.a);
ASSERT(1, s.b);
}
}
va_end(ap);
}
void print_small(int n, ...) {
va_list ap;
va_start(ap, n);
for (int i = 0; i < n; i++) {
SmallStruct s = va_arg(ap, SmallStruct);
printf("SmallStruct %d: a = %d\n", i, s.a);
if (i == 0) {
ASSERT(1, s.a);
}
}
va_end(ap);
}
void print_small_ptr(int n, ...) {
va_list ap;
va_start(ap, n);
for (int i = 0; i < n; i++) {
SmallStruct *s = va_arg(ap, SmallStruct *);
printf("SmallStruct %d: a = %d\n", i, s->a);
if (i == 0) {
ASSERT(1, s->a);
}
}
va_end(ap);
}
void print_medium_ptr(int n, ...) {
va_list ap;
va_start(ap, n);
for (int i = 0; i < n; i++) {
MediumStruct *s = va_arg(ap, MediumStruct *);
printf("MediumStruct %d: a = %d, b = %f\n", i, s->a, s->b);
if (i == 0) {
ASSERT(1, s->a);
ASSERT(1, s->b);
}
}
va_end(ap);
}
void print_large_ptr(int n, ...) {
va_list ap;
va_start(ap, n);
for (int i = 0; i < n; i++) {
LargeStruct *s = va_arg(ap, LargeStruct *);
printf("LargeStruct %d: a = %f, b = %f, c = %f\n", i, s->a, s->b, s->c);
if (i == 0) {
ASSERT(1, s->a);
ASSERT(1, s->b);
ASSERT(1, s->c);
} else if (i == 1) {
ASSERT(2, s->a);
ASSERT(2, s->b);
ASSERT(2, s->c);
} else if (i == 2) {
ASSERT(3, s->a);
ASSERT(3, s->b);
ASSERT(3, s->c);
}
}
va_end(ap);
}
void test_mixed1(int n, ...) {
va_list ap;
va_start(ap, n);
for (int i = 0; i < n; i++) {
int x = va_arg(ap, int);
double y = va_arg(ap, double);
SmallStruct s = va_arg(ap, SmallStruct);
if (i == 0) {
ASSERT(1, x);
ASSERT(1, y);
ASSERT(1, s.a);
}
printf("int: %d, double: %f, SmallStruct.a: %d\n", x, y, s.a);
}
va_end(ap);
}
void test_mixed2(int n, ...) {
va_list ap;
va_start(ap, n);
for (int i = 0; i < n; i++) {
char *str = va_arg(ap, char *);
MediumStruct s = va_arg(ap, MediumStruct);
MediumStruct *ps = va_arg(ap, MediumStruct *);
printf("str: %s, MediumStruct.a: %d, b: %f, Pointer MediumStruct.a: %d, b: %f\n",
str, s.a, s.b, ps->a, ps->b);
if (i == 0) {
ASSERT(2, ps->a);
ASSERT(2, ps->b);
ASSERT(1, s.a);
ASSERT(1, s.b);
}
}
va_end(ap);
}
void test_mixed3(int n, ...) {
va_list ap;
va_start(ap, n);
for (int i = 0; i < n; i++) {
int x = va_arg(ap, int);
LargeStruct *p = va_arg(ap, LargeStruct *);
double y = va_arg(ap, double);
printf("int: %d, LargeStruct.a: %f, b: %f, c: %f, double: %f\n",
x, p->a, p->b, p->c, y);
}
va_end(ap);
}
int main() {
SmallStruct s1 = {1}, s2 = {2}, s3 = {3};
print_small(3, s1, s2, s3);
print_small_ptr(3, &s1, &s2, &s3);
test_mixed1(2, 1, 1.1, s1, 2, 2.2, s2);
MediumStruct s1 = {1, 1.1}, s2 = {2, 2.2}, s3 = {3, 3.3};
print_medium(3, s1, s2, s3);
print_medium_ptr(3, &s1, &s2, &s3);
test_mixed2(1, "hello", s1, &s2);
LargeStruct s1 = {1.1, 1.2, 1.3};
LargeStruct s2 = {2.1, 2.2, 2.3};
LargeStruct s3 = {3.1, 3.2, 3.3};
print_large(3, s1, s2, s3);
print_large_ptr(3, &s1, &s2, &s3);
LargeStruct ls = {1.1, 2.2, 3.3};
test_mixed3(1, 42, &ls, 4.4);
return 0;
}
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