int
listIteratorSetCurEntry(LIST_ITERATOR_T *iter,
LIST_ENTRY_T *entry,
bool_t validateEnt)
{
LIST_ENTRY_T *savedCurEnt;
LIST_ENTRY_T *ent;
if (validateEnt) {
bool_t found = FALSE;
savedCurEnt = iter->curEnt;
iter->curEnt = listGetFrontEntry(iter->list);
for (ent = listIteratorGetCurEntry(iter);
! listIteratorIsEndOfList(iter);
listIteratorNext(iter, (LIST_ENTRY_T **)&ent))
{
if (ent == entry) {
found = TRUE;
break;
}
}
if (! found) {
listerrno = LIST_ERR_BADARG;
iter->curEnt = savedCurEnt;
return -1;
}
}
iter->curEnt = entry;
return 0;
}
int
listNotifyObservers(LIST_T *list, LIST_EVENT_T *event)
{
LIST_OBSERVER_T *observer;
LIST_ITERATOR_T iter;
listIteratorAttach(&iter, list->observers);
for (observer = (LIST_OBSERVER_T *)listIteratorGetCurEntry(&iter);
! listIteratorIsEndOfList(&iter);
listIteratorNext(&iter, (LIST_ENTRY_T **)&observer))
{
if (observer->select != NULL) {
if (! (*observer->select)(observer->extra, event))
continue;
}
switch (event->type) {
case (int) LIST_EVENT_ENTER:
if (observer->enter)
(*observer->enter)(list, observer->extra, event);
break;
case (int) LIST_EVENT_LEAVE:
if (observer->leave_)
(*observer->leave_)(list, observer->extra, event);
break;
default:
listerrno = LIST_ERR_BADARG;
return -1;
}
}
return 0;
}
void
listDump(LIST_T* list)
{
LIST_ITERATOR_T iter;
LIST_ENTRY_T *listEntry;
LIST_ITERATOR_ZERO_OUT(&iter);
listIteratorAttach(&iter, list);
for (listEntry = listIteratorGetCurEntry(&iter);
! listIteratorIsEndOfList(&iter);
listIteratorNext(&iter, &listEntry)) {
ls_syslog(LOG_DEBUG,"\
%s: Entry=<%x> is in list=<%s>", __func__, listEntry, list->name);
}
listIteratorDetach(&iter);
}
