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;
234         strm->state = Z_NULL;
407     if (state->window == Z_NULL) {
411         if (state->window == Z_NULL) return 1;
645     if (inflateStateCheck(strm) || strm->next_out == Z_NULL ||
646         (strm->next_in == Z_NULL && strm->avail_in != 0))
667                 state->check = crc32(0L, Z_NULL, 0);
674             if (state->head != Z_NULL)
701             strm->adler = state->check = adler32(0L, Z_NULL, 0);
719             if (state->head != Z_NULL)
727             if (state->head != Z_NULL)
735             if (state->head != Z_NULL) {
747                 if (state->head != Z_NULL)
753             else if (state->head != Z_NULL)
754                 state->head->extra = Z_NULL;
761                     if (state->head != Z_NULL &&
762                         state->head->extra != Z_NULL) {
784                     if (state->head != Z_NULL &&
785                             state->head->name != Z_NULL &&
795             else if (state->head != Z_NULL)
796                 state->head->name = Z_NULL;
805                     if (state->head != Z_NULL &&
806                             state->head->comment != Z_NULL &&
816             else if (state->head != Z_NULL)
817                 state->head->comment = Z_NULL;
829             if (state->head != Z_NULL) {
833             strm->adler = state->check = crc32(0L, Z_NULL, 0);
847             strm->adler = state->check = adler32(0L, Z_NULL, 0);
1284     if (state->window != Z_NULL) ZFREE(strm, state->window);
1286     strm->state = Z_NULL;
1303     if (state->whave && dictionary != Z_NULL) {
1309     if (dictLength != Z_NULL)
1331         dictid = adler32(0L, Z_NULL, 0);
1471     if (inflateStateCheck(source) || dest == Z_NULL)
1478     if (copy == Z_NULL) return Z_MEM_ERROR;
1479     window = Z_NULL;
1480     if (state->window != Z_NULL) {
1483         if (window == Z_NULL) {
1499     if (window != Z_NULL) {