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#include <s.h>
#include <assert.h>
#include <errno.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "math.h"
int
add_size(const size_t x, const size_t y, size_t *const out) {
int rc = EOVERFLOW;
const bool overflows = (SIZE_MAX - x) < y;
if (overflows) {
goto out;
}
*out = x + y;
rc = 0;
out:
return rc;
}
int
mul_size(const size_t x, const size_t y, size_t *const out) {
int rc = EOVERFLOW;
assert(x != 0U);
assert(y != 0U);
const bool overflows = x > (SIZE_MAX / y);
if (overflows) {
goto out;
}
*out = x * y;
rc = 0;
out:
return rc;
}
size_t
max_size(const size_t x, const size_t y) {
return x > y ? x : y;
}
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