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(main): Run tests for different alignments.

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This commit is contained in:
Ulrich Drepper 2000-10-24 08:30:36 +00:00
parent f3e7f6080f
commit a602757647
1 changed files with 26 additions and 16 deletions
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18
malloc/tst-obstack.c
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@ -27,13 +27,20 @@ verbose_free (void *buf)
int
main (void)
{
int result = 0;
int align = 2;
while (align <= 64)
{
struct obstack obs;
int i;
int result = 0;
int align_mask = align - 1;
printf ("\n Alignment mask: %d\n", align_mask);
obstack_init (&obs);
obstack_alignment_mask (&obs) = ALIGN_MASK;
obstack_alignment_mask (&obs) = align_mask;
/* finish an empty object to take alignment into account */
obstack_finish (&obs);
@ -43,12 +50,15 @@ main (void)
void *obj = obstack_alloc (&obs, OBJECT_SIZE);
printf ("obstack_alloc (%u) => %p \t%s\n", OBJECT_SIZE, obj,
((uintptr_t) obj & ALIGN_MASK) ? "(not aligned)" : "");
result |= ((uintptr_t) obj & ALIGN_MASK) != 0;
((uintptr_t) obj & align_mask) ? "(not aligned)" : "");
result |= ((uintptr_t) obj & align_mask) != 0;
}
/* clean up */
obstack_free (&obs, 0);
align <<= 1;
}
return result;
}