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fix iteration for empty list

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ian.mcgreer%sun.com 2001-10-17 14:37:48 +00:00
parent 232dbb1229
commit 1a8c4a3d15
1 changed files with 5 additions and 1 deletions
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6
security/nss/lib/base/list.c
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@ -32,7 +32,7 @@
*/
#ifdef DEBUG
static const char CVS_ID[] = "@(#) $RCSfile: list.c,v $ $Revision: 1.4 $ $Date: 2001/10/15 16:50:01 $ $Name: $";
static const char CVS_ID[] = "@(#) $RCSfile: list.c,v $ $Revision: 1.5 $ $Date: 2001/10/17 14:37:48 $ $Name: $";
#endif /* DEBUG */
/*
@ -316,6 +316,10 @@ NSS_IMPLEMENT void *
nssListIterator_Start(nssListIterator *iter)
{
NSSLIST_LOCK_IF(iter->list);
if (iter->list->count == 0) {
NSSLIST_UNLOCK_IF(iter->list);
return NULL;
}
iter->current = iter->list->head;
return iter->current->data;
}