зеркало из https://github.com/mozilla/pjs.git
65 строки
803 B
C
65 строки
803 B
C
char rcsid_queue[] = "$Id: queue.c,v 1.1 1998-12-17 06:36:49 fur%netscape.com Exp $";
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#include "b.h"
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#include <stdio.h>
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Queue globalQ;
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Queue
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newQ()
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{
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Queue q;
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q = (Queue) zalloc(sizeof(struct queue));
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assert(q);
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q->head = 0;
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q->tail = 0;
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return q;
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}
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void
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addQ(q, ts) Queue q; Item_Set ts;
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{
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List qe;
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assert(q);
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assert(ts);
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qe = newList(ts, 0);
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if (q->head) {
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assert(q->tail);
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q->tail->next = qe;
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q->tail = qe;
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} else {
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q->head = q->tail = qe;
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}
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}
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Item_Set
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popQ(q) Queue q;
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{
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List qe;
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Item_Set ts;
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assert(q);
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if (q->head) {
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qe = q->head;
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q->head = q->head->next;
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ts = (Item_Set) qe->x;
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zfree(qe);
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return ts;
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} else {
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return 0;
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}
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}
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void
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dumpQ(q) Queue q;
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{
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printf("Begin Queue\n");
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foreachList((ListFn)dumpItem_Set, q->head);
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printf("End Queue\n");
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}
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