68  * One data file might be shared by linking it several times.
125 writequeuef(struct qitem *it)  in writequeuef()  argument
130 	queuefd = open_locked(it->queuefn, O_CREAT|O_EXCL|O_RDWR, 0660);  in writequeuef()
135 	it->queuef = fdopen(queuefd, "w+");  in writequeuef()
136 	if (it->queuef == NULL)  in writequeuef()
139 	error = fprintf(it->queuef,  in writequeuef()
143 			 it->queueid,  in writequeuef()
144 			 it->sender,  in writequeuef()
145 			 it->addr);  in writequeuef()
150 	if (fflush(it->queuef) != 0 || fsync(fileno(it->queuef)) != 0)  in writequeuef()
164 	struct qitem *it = NULL;  in readqueuef()  local
215 	it = LIST_FIRST(&itmqueue.queue);  in readqueuef()
216 	it->sender = sender; sender = NULL;  in readqueuef()
217 	it->queueid = queueid; queueid = NULL;  in readqueuef()
218 	it->queuefn = queuefn; queuefn = NULL;  in readqueuef()
219 	LIST_INSERT_HEAD(&queue->queue, it, next);  in readqueuef()
231 	return (it);  in readqueuef()
238 	struct qitem *it;  in linkspool()  local
246 	LIST_FOREACH(it, &queue->queue, next) {  in linkspool()
247 		if (asprintf(&it->queueid, "%s.%"PRIxPTR, queue->id, (uintptr_t)it) <= 0)  in linkspool()
249 		if (asprintf(&it->queuefn, "%s/Q%s", config.spooldir, it->queueid) <= 0)  in linkspool()
251 		if (asprintf(&it->mailfn, "%s/M%s", config.spooldir, it->queueid) <= 0)  in linkspool()
255 		if (stat(it->queuefn, &st) == 0 || stat(it->mailfn, &st) == 0)  in linkspool()
258 		if (writequeuef(it) != 0)  in linkspool()
261 		if (link(queue->tmpf, it->mailfn) != 0)  in linkspool()
265 	LIST_FOREACH(it, &queue->queue, next) {  in linkspool()
267 		       it->addr, it->queueid);  in linkspool()
274 	LIST_FOREACH(it, &queue->queue, next) {  in linkspool()
275 		unlink(it->mailfn);  in linkspool()
276 		unlink(it->queuefn);  in linkspool()
285 	struct qitem *it;  in load_queue()  local
313 		 * Move on if it turns out to be something else than a file.  in load_queue()
325 		it = readqueuef(queue, queuefn);  in load_queue()
326 		if (it == NULL)  in load_queue()
329 		it->mailfn = mailfn;  in load_queue()
347 delqueue(struct qitem *it)  in delqueue()  argument
349 	unlink(it->mailfn);  in delqueue()
350 	unlink(it->queuefn);  in delqueue()
351 	if (it->queuef != NULL)  in delqueue()
352 		fclose(it->queuef);  in delqueue()
353 	if (it->mailf != NULL)  in delqueue()
354 		fclose(it->mailf);  in delqueue()
355 	free(it);  in delqueue()
359 acquirespool(struct qitem *it)  in acquirespool()  argument
363 	if (it->queuef == NULL) {  in acquirespool()
364 		queuefd = open_locked(it->queuefn, O_RDWR|O_NONBLOCK);  in acquirespool()
367 		it->queuef = fdopen(queuefd, "r+");  in acquirespool()
368 		if (it->queuef == NULL)  in acquirespool()
372 	if (it->mailf == NULL) {  in acquirespool()
373 		it->mailf = fopen(it->mailfn, "r");  in acquirespool()
374 		if (it->mailf == NULL)  in acquirespool()
390 	struct qitem *it;  in dropspool()  local
392 	LIST_FOREACH(it, &queue->queue, next) {  in dropspool()
393 		if (it == keep)  in dropspool()
396 		if (it->queuef != NULL)  in dropspool()
397 			fclose(it->queuef);  in dropspool()
398 		if (it->mailf != NULL)  in dropspool()
399 			fclose(it->mailf);  in dropspool()