Lines Matching refs:Z_NULL

108     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
111     strm->msg = Z_NULL;
117     state->head = Z_NULL;
138     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
157     if (state->window != Z_NULL && state->wbits != (unsigned)windowBits) {
159         state->window = Z_NULL;
177     if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
180     if (strm == Z_NULL) return Z_STREAM_ERROR;
181     strm->msg = Z_NULL;                 /* in case we return an error */
189     if (state == Z_NULL) return Z_MEM_ERROR;
192     state->window = Z_NULL;
196         strm->state = Z_NULL;
216     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
368     if (state->window == Z_NULL) {
372         if (state->window == Z_NULL) return 1;
612     if (strm == Z_NULL || strm->state == Z_NULL || strm->next_out == Z_NULL ||
613         (strm->next_in == Z_NULL && strm->avail_in != 0))
632                 state->check = crc32(0L, Z_NULL, 0);
639             if (state->head != Z_NULL)
666             strm->adler = state->check = adler32(0L, Z_NULL, 0);
684             if (state->head != Z_NULL)
691             if (state->head != Z_NULL)
698             if (state->head != Z_NULL) {
709                 if (state->head != Z_NULL)
714             else if (state->head != Z_NULL)
715                 state->head->extra = Z_NULL;
722                     if (state->head != Z_NULL &&
723                         state->head->extra != Z_NULL) {
745                     if (state->head != Z_NULL &&
746                             state->head->name != Z_NULL &&
756             else if (state->head != Z_NULL)
757                 state->head->name = Z_NULL;
766                     if (state->head != Z_NULL &&
767                             state->head->comment != Z_NULL &&
777             else if (state->head != Z_NULL)
778                 state->head->comment = Z_NULL;
790             if (state->head != Z_NULL) {
794             strm->adler = state->check = crc32(0L, Z_NULL, 0);
808             strm->adler = state->check = adler32(0L, Z_NULL, 0);
1242     if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)
1245     if (state->window != Z_NULL) ZFREE(strm, state->window);
1247     strm->state = Z_NULL;
1261     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
1268         id = adler32(0L, Z_NULL, 0);
1301     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
1354     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
1401     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
1416     if (dest == Z_NULL || source == Z_NULL || source->state == Z_NULL ||
1424     if (copy == Z_NULL) return Z_MEM_ERROR;
1425     window = Z_NULL;
1426     if (state->window != Z_NULL) {
1429         if (window == Z_NULL) {
1444     if (window != Z_NULL) {
1459     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
1475     if (strm == Z_NULL || strm->state == Z_NULL)