mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-18 12:29:21 +00:00
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3785 91177308-0d34-0410-b5e6-96231b3b80d8
65 lines
746 B
C
65 lines
746 B
C
char rcsid_queue[] = "$Id$";
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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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