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char rcsid_queue[] = "$Id$";
#include "b.h"
#include <stdio.h>
Queue globalQ;
Queue
newQ()
{
Queue q;
q = (Queue) zalloc(sizeof(struct queue));
assert(q);
q->head = 0;
q->tail = 0;
return q;
}
void
addQ(q, ts) Queue q; Item_Set ts;
{
List qe;
assert(q);
assert(ts);
qe = newList(ts, 0);
if (q->head) {
assert(q->tail);
q->tail->next = qe;
q->tail = qe;
} else {
q->head = q->tail = qe;
}
}
Item_Set
popQ(q) Queue q;
{
List qe;
Item_Set ts;
assert(q);
if (q->head) {
qe = q->head;
q->head = q->head->next;
ts = (Item_Set) qe->x;
zfree(qe);
return ts;
} else {
return 0;
}
}
void
dumpQ(q) Queue q;
{
printf("Begin Queue\n");
foreachList((ListFn)dumpItem_Set, q->head);
printf("End Queue\n");
}
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