Lines Matching refs:Z_NULL

260     if (version == Z_NULL || version[0] != my_version[0] ||
264     if (strm == Z_NULL) return Z_STREAM_ERROR;
266     strm->msg = Z_NULL;
305     if (s == Z_NULL) return Z_MEM_ERROR;
311     s->gzhead = Z_NULL;
333     if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL ||
334         s->pending_buf == Z_NULL) {
357     if (strm == Z_NULL ||
361     if (s == Z_NULL || s->strm != strm || (s->status != INIT_STATE &&
387     if (deflateStateCheck(strm) || dictionary == Z_NULL)
459     if (dictionary != Z_NULL && len)
461     if (dictLength != Z_NULL)
477     strm->msg = Z_NULL; /* use zfree if we ever allocate msg dynamically */
494         s->wrap == 2 ? crc32(0L, Z_NULL, 0) :
496         adler32(0L, Z_NULL, 0);
534     if (pending != Z_NULL)
536     if (bits != Z_NULL)
679         if (s->gzhead != Z_NULL) {          /* user-supplied gzip header */
681             if (s->gzhead->extra != Z_NULL)
684             if (str != Z_NULL)
689             if (str != Z_NULL)
775     if (strm->next_out == Z_NULL ||
776         (strm->avail_in != 0 && strm->next_in == Z_NULL) ||
838         strm->adler = adler32(0L, Z_NULL, 0);
851         strm->adler = crc32(0L, Z_NULL, 0);
855         if (s->gzhead == Z_NULL) {
877                      (s->gzhead->extra == Z_NULL ? 0 : 4) +
878                      (s->gzhead->name == Z_NULL ? 0 : 8) +
879                      (s->gzhead->comment == Z_NULL ? 0 : 16)
889             if (s->gzhead->extra != Z_NULL) {
901         if (s->gzhead->extra != Z_NULL) {
928         if (s->gzhead->name != Z_NULL) {
950         if (s->gzhead->comment != Z_NULL) {
981             strm->adler = crc32(0L, Z_NULL, 0);
1092     strm->state = Z_NULL;
1114     if (deflateStateCheck(source) || dest == Z_NULL) {
1123     if (ds == Z_NULL) return Z_MEM_ERROR;
1134     if (ds->window == Z_NULL || ds->prev == Z_NULL || ds->head == Z_NULL ||
1135         ds->pending_buf == Z_NULL) {
1608                    (charf *)Z_NULL), \