Lines Matching refs:Z_NULL

110     if (strm == Z_NULL ||
114     if (state == Z_NULL || state->strm != strm ||
128     strm->msg = Z_NULL;
135     state->head = Z_NULL;
185     if (state->window != Z_NULL && state->wbits != (unsigned)windowBits) {
187         state->window = Z_NULL;
205     if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
208     if (strm == Z_NULL) return Z_STREAM_ERROR;
209     strm->msg = Z_NULL;                 /* in case we return an error */
226     if (state == Z_NULL) return Z_MEM_ERROR;
230     state->window = Z_NULL;
236         strm->state = Z_NULL;
409     if (state->window == Z_NULL) {
414         if (state->window == Z_NULL) return 1;
657     if (inflateStateCheck(strm) || strm->next_out == Z_NULL ||
658         (strm->next_in == Z_NULL && strm->avail_in != 0))
679                 state->check = crc32(0L, Z_NULL, 0);
686             if (state->head != Z_NULL)
713             strm->adler = state->check = adler32(0L, Z_NULL, 0);
731             if (state->head != Z_NULL)
739             if (state->head != Z_NULL)
747             if (state->head != Z_NULL) {
759                 if (state->head != Z_NULL)
765             else if (state->head != Z_NULL)
766                 state->head->extra = Z_NULL;
773                     if (state->head != Z_NULL &&
774                         state->head->extra != Z_NULL) {
796                     if (state->head != Z_NULL &&
797                             state->head->name != Z_NULL &&
807             else if (state->head != Z_NULL)
808                 state->head->name = Z_NULL;
817                     if (state->head != Z_NULL &&
818                             state->head->comment != Z_NULL &&
828             else if (state->head != Z_NULL)
829                 state->head->comment = Z_NULL;
841             if (state->head != Z_NULL) {
845             strm->adler = state->check = crc32(0L, Z_NULL, 0);
859             strm->adler = state->check = adler32(0L, Z_NULL, 0);
1306     if (state->window != Z_NULL) ZFREE(strm, state->window);
1308     strm->state = Z_NULL;
1325     if (state->whave && dictionary != Z_NULL) {
1331     if (dictLength != Z_NULL)
1353         dictid = adler32(0L, Z_NULL, 0);
1493     if (inflateStateCheck(source) || dest == Z_NULL)
1500     if (copy == Z_NULL) return Z_MEM_ERROR;
1501     window = Z_NULL;
1502     if (state->window != Z_NULL) {
1505         if (window == Z_NULL) {
1521     if (window != Z_NULL) {