Lines Matching refs:Z_NULL

256     if (version == Z_NULL || version[0] != my_version[0] ||
260     if (strm == Z_NULL) return Z_STREAM_ERROR;
262     strm->msg = Z_NULL;
301     if (s == Z_NULL) return Z_MEM_ERROR;
307     s->gzhead = Z_NULL;
379     if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL ||
380         s->pending_buf == Z_NULL) {
407     if (strm == Z_NULL ||
411     if (s == Z_NULL || s->strm != strm || (s->status != INIT_STATE &&
437     if (deflateStateCheck(strm) || dictionary == Z_NULL)
505     if (dictionary != Z_NULL && len)
507     if (dictLength != Z_NULL)
523     strm->msg = Z_NULL; /* use zfree if we ever allocate msg dynamically */
540         s->wrap == 2 ? crc32(0L, Z_NULL, 0) :
542         adler32(0L, Z_NULL, 0);
580     if (pending != Z_NULL)
582     if (bits != Z_NULL)
725         if (s->gzhead != Z_NULL) {          /* user-supplied gzip header */
727             if (s->gzhead->extra != Z_NULL)
730             if (str != Z_NULL)
735             if (str != Z_NULL)
821     if (strm->next_out == Z_NULL ||
822         (strm->avail_in != 0 && strm->next_in == Z_NULL) ||
884         strm->adler = adler32(0L, Z_NULL, 0);
901         if (s->gzhead == Z_NULL) {
923                      (s->gzhead->extra == Z_NULL ? 0 : 4) +
924                      (s->gzhead->name == Z_NULL ? 0 : 8) +
925                      (s->gzhead->comment == Z_NULL ? 0 : 16)
935             if (s->gzhead->extra != Z_NULL) {
947         if (s->gzhead->extra != Z_NULL) {
974         if (s->gzhead->name != Z_NULL) {
996         if (s->gzhead->comment != Z_NULL) {
1027             strm->adler = crc32(0L, Z_NULL, 0);
1139     strm->state = Z_NULL;
1160     if (deflateStateCheck(source) || dest == Z_NULL) {
1169     if (ds == Z_NULL) return Z_MEM_ERROR;
1179     if (ds->window == Z_NULL || ds->prev == Z_NULL || ds->head == Z_NULL ||
1180         ds->pending_buf == Z_NULL) {
1684                    (charf *)Z_NULL), \