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* resolv/nss_dns/dns-host.c (_nss_dns_gethostbyaddr2_r): Check and

adjust the buffer alignment.
This commit is contained in:
Ulrich Drepper
2009-01-08 00:03:29 +00:00
parent 5846e22fbf
commit df9293cb16
3 changed files with 29 additions and 11 deletions

View File

@ -115,7 +115,7 @@ static LIST_HEAD (stack_used);
/* We need to record what list operations we are going to do so that,
in case of an asynchronous interruption due to a fork() call, we
can correct for the work. */
static uintptr_t *in_flight_stack;
static uintptr_t in_flight_stack;
/* List of the threads with user provided stacks in use. No need to
initialize this, since it's done in __pthread_initialize_minimal. */
@ -815,10 +815,10 @@ __reclaim_stacks (void)
we have to be aware that we might have interrupted a list
operation. */
if (in_flight_stack != NULL)
if (in_flight_stack != 0)
{
bool add_p = in_flight_stack & 1;
in_flight_stack = (list_t *) (in_flight_stack & ~1l);
list_t *elem = (list_t *) (in_flight_stack & ~UINTMAX_C (1));
if (add_p)
{
@ -828,11 +828,11 @@ __reclaim_stacks (void)
{
if (l->next->prev != l)
{
assert (l->next->prev == in_flight_stack);
assert (l->next->prev == elem);
in_flight_stack->next = l->next;
in_flight_stack->prev = l;
l->next = in_flight_stack;
elem->next = l->next;
elem->prev = l;
l->next = elem;
return 1;
}
@ -846,11 +846,11 @@ __reclaim_stacks (void)
else
{
/* We can simply always replay the delete operation. */
in_flight_stack->next->prev = in_flight_stack->prev;
in_flight_stack->prev->next = in_flight_stack->next;
elem->next->prev = elem->prev;
elem->prev->next = elem->next;
}
in_flight_stack = NULL;
in_flight_stack = 0;
}
/* Mark all stacks except the still running one as free. */