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#include <stdlib.h>
#include <assert.h>
#include <stdint.h>
#include <errno.h>
int main() {
void *p;
p = aligned_alloc(sizeof(void *), sizeof(void *));
assert(p != NULL && (uintptr_t)p % sizeof(void *) == 0);
free(p);
p = aligned_alloc(256, 256);
assert(p != NULL && (uintptr_t)p % 256 == 0);
free(p);
// small alignments are okay
p = aligned_alloc(1, 8);
assert(p != NULL);
free(p);
p = aligned_alloc(1, 1);
assert(p != NULL);
free(p);
// It seems that glibc doesn't report error in these cases.
#if !(defined(USE_HOST_LIBC) && defined(__GLIBC__))
// size % align must be 0
p = aligned_alloc(256, 1);
assert(errno == EINVAL);
assert(p == NULL);
// align must be a 'valid alignment supported by the implementation'
p = aligned_alloc(3, 1);
assert(errno == EINVAL);
assert(p == NULL);
#endif
}
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