Lines Matching refs:Z_NULL

109     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
112     strm->msg = Z_NULL;
119     state->head = Z_NULL;
134     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
150     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
169     if (state->window != Z_NULL && state->wbits != (unsigned)windowBits) {
171         state->window = Z_NULL;
189     if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
192     if (strm == Z_NULL) return Z_STREAM_ERROR;
193     strm->msg = Z_NULL;                 /* in case we return an error */
210     if (state == Z_NULL) return Z_MEM_ERROR;
213     state->window = Z_NULL;
217         strm->state = Z_NULL;
237     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
390     if (state->window == Z_NULL) {
394         if (state->window == Z_NULL) return 1;
628     if (strm == Z_NULL || strm->state == Z_NULL || strm->next_out == Z_NULL ||
629         (strm->next_in == Z_NULL && strm->avail_in != 0))
648                 state->check = crc32(0L, Z_NULL, 0);
655             if (state->head != Z_NULL)
682             strm->adler = state->check = adler32(0L, Z_NULL, 0);
700             if (state->head != Z_NULL)
707             if (state->head != Z_NULL)
714             if (state->head != Z_NULL) {
725                 if (state->head != Z_NULL)
730             else if (state->head != Z_NULL)
731                 state->head->extra = Z_NULL;
738                     if (state->head != Z_NULL &&
739                         state->head->extra != Z_NULL) {
761                     if (state->head != Z_NULL &&
762                             state->head->name != Z_NULL &&
772             else if (state->head != Z_NULL)
773                 state->head->name = Z_NULL;
782                     if (state->head != Z_NULL &&
783                             state->head->comment != Z_NULL &&
793             else if (state->head != Z_NULL)
794                 state->head->comment = Z_NULL;
806             if (state->head != Z_NULL) {
810             strm->adler = state->check = crc32(0L, Z_NULL, 0);
824             strm->adler = state->check = adler32(0L, Z_NULL, 0);
1258     if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)
1261     if (state->window != Z_NULL) ZFREE(strm, state->window);
1263     strm->state = Z_NULL;
1276     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
1280     if (state->whave && dictionary != Z_NULL) {
1286     if (dictLength != Z_NULL)
1301     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
1308         dictid = adler32(0L, Z_NULL, 0);
1333     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
1386     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
1433     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
1448     if (dest == Z_NULL || source == Z_NULL || source->state == Z_NULL ||
1456     if (copy == Z_NULL) return Z_MEM_ERROR;
1457     window = Z_NULL;
1458     if (state->window != Z_NULL) {
1461         if (window == Z_NULL) {
1476     if (window != Z_NULL) {
1491     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
1507     if (strm == Z_NULL || strm->state == Z_NULL)