Lines Matching refs:Z_NULL
233 if (version == Z_NULL || version[0] != my_version[0] ||
237 if (strm == Z_NULL) return Z_STREAM_ERROR;
239 strm->msg = Z_NULL;
278 if (s == Z_NULL) return Z_MEM_ERROR;
283 s->gzhead = Z_NULL;
305 if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL ||
306 s->pending_buf == Z_NULL) {
334 if (strm == Z_NULL || strm->state == Z_NULL || dictionary == Z_NULL)
397 if (strm == Z_NULL || strm->state == Z_NULL ||
403 strm->msg = Z_NULL; /* use zfree if we ever allocate msg dynamically */
416 s->wrap == 2 ? crc32(0L, Z_NULL, 0) :
418 adler32(0L, Z_NULL, 0);
443 if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
455 if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
456 if (pending != Z_NULL)
458 if (bits != Z_NULL)
472 if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
499 if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
538 if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
577 if (strm == Z_NULL || strm->state == Z_NULL)
591 if (s->gzhead != Z_NULL) { /* user-supplied gzip header */
592 if (s->gzhead->extra != Z_NULL)
595 if (str != Z_NULL)
600 if (str != Z_NULL)
670 if (strm == Z_NULL || strm->state == Z_NULL ||
676 if (strm->next_out == Z_NULL ||
677 (strm->next_in == Z_NULL && strm->avail_in != 0) ||
691 strm->adler = crc32(0L, Z_NULL, 0);
695 if (s->gzhead == Z_NULL) {
710 (s->gzhead->extra == Z_NULL ? 0 : 4) +
711 (s->gzhead->name == Z_NULL ? 0 : 8) +
712 (s->gzhead->comment == Z_NULL ? 0 : 16)
722 if (s->gzhead->extra != Z_NULL) {
759 strm->adler = adler32(0L, Z_NULL, 0);
764 if (s->gzhead->extra != Z_NULL) {
792 if (s->gzhead->name != Z_NULL) {
823 if (s->gzhead->comment != Z_NULL) {
858 strm->adler = crc32(0L, Z_NULL, 0);
982 if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
1002 strm->state = Z_NULL;
1024 if (source == Z_NULL || dest == Z_NULL || source->state == Z_NULL) {
1033 if (ds == Z_NULL) return Z_MEM_ERROR;
1044 if (ds->window == Z_NULL || ds->prev == Z_NULL || ds->head == Z_NULL ||
1045 ds->pending_buf == Z_NULL) {
1539 (charf *)Z_NULL), \
