Lines Matching refs:Z_NULL

109     if (strm == Z_NULL ||
113     if (state == Z_NULL || state->strm != strm ||
127     strm->msg = Z_NULL;
134     state->head = Z_NULL;
184     if (state->window != Z_NULL && state->wbits != (unsigned)windowBits) {
186         state->window = Z_NULL;
204     if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
207     if (strm == Z_NULL) return Z_STREAM_ERROR;
208     strm->msg = Z_NULL;                 /* in case we return an error */
225     if (state == Z_NULL) return Z_MEM_ERROR;
229     state->window = Z_NULL;
235         strm->state = Z_NULL;
408     if (state->window == Z_NULL) {
412         if (state->window == Z_NULL) return 1;
646     if (inflateStateCheck(strm) || strm->next_out == Z_NULL ||
647         (strm->next_in == Z_NULL && strm->avail_in != 0))
668                 state->check = crc32(0L, Z_NULL, 0);
675             if (state->head != Z_NULL)
702             strm->adler = state->check = adler32(0L, Z_NULL, 0);
720             if (state->head != Z_NULL)
728             if (state->head != Z_NULL)
736             if (state->head != Z_NULL) {
748                 if (state->head != Z_NULL)
754             else if (state->head != Z_NULL)
755                 state->head->extra = Z_NULL;
762                     if (state->head != Z_NULL &&
763                         state->head->extra != Z_NULL) {
785                     if (state->head != Z_NULL &&
786                             state->head->name != Z_NULL &&
796             else if (state->head != Z_NULL)
797                 state->head->name = Z_NULL;
806                     if (state->head != Z_NULL &&
807                             state->head->comment != Z_NULL &&
817             else if (state->head != Z_NULL)
818                 state->head->comment = Z_NULL;
830             if (state->head != Z_NULL) {
834             strm->adler = state->check = crc32(0L, Z_NULL, 0);
848             strm->adler = state->check = adler32(0L, Z_NULL, 0);
1286     if (state->window != Z_NULL) ZFREE(strm, state->window);
1288     strm->state = Z_NULL;
1305     if (state->whave && dictionary != Z_NULL) {
1311     if (dictLength != Z_NULL)
1333         dictid = adler32(0L, Z_NULL, 0);
1473     if (inflateStateCheck(source) || dest == Z_NULL)
1480     if (copy == Z_NULL) return Z_MEM_ERROR;
1481     window = Z_NULL;
1482     if (state->window != Z_NULL) {
1485         if (window == Z_NULL) {
1501     if (window != Z_NULL) {