kaguya
40 lines
834 B
C
40 lines
834 B
C
#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
|
|
|
|
return 0;
|
|
}
|