Lines Matching refs:Z_NULL

230     if (version == Z_NULL || version[0] != my_version[0] ||
234     if (strm == Z_NULL) return Z_STREAM_ERROR;
236     strm->msg = Z_NULL;
266     if (s == Z_NULL) return Z_MEM_ERROR;
271     s->gzhead = Z_NULL;
293     if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL ||
294         s->pending_buf == Z_NULL) {
321     if (strm == Z_NULL || strm->state == Z_NULL || dictionary == Z_NULL ||
358     if (strm == Z_NULL || strm->state == Z_NULL ||
364     strm->msg = Z_NULL; /* use zfree if we ever allocate msg dynamically */
377         s->wrap == 2 ? crc32(0L, Z_NULL, 0) :
379         adler32(0L, Z_NULL, 0);
393     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
405     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
417     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
433     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
472     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
511     if (strm == Z_NULL || strm->state == Z_NULL)
525         if (s->gzhead != Z_NULL) {          /* user-supplied gzip header */
526             if (s->gzhead->extra != Z_NULL)
529             if (str != Z_NULL)
534             if (str != Z_NULL)
601     if (strm == Z_NULL || strm->state == Z_NULL ||
607     if (strm->next_out == Z_NULL ||
608         (strm->next_in == Z_NULL && strm->avail_in != 0) ||
622             strm->adler = crc32(0L, Z_NULL, 0);
626             if (s->gzhead == Z_NULL) {
641                             (s->gzhead->extra == Z_NULL ? 0 : 4) +
642                             (s->gzhead->name == Z_NULL ? 0 : 8) +
643                             (s->gzhead->comment == Z_NULL ? 0 : 16)
653                 if (s->gzhead->extra != Z_NULL) {
690             strm->adler = adler32(0L, Z_NULL, 0);
695         if (s->gzhead->extra != Z_NULL) {
723         if (s->gzhead->name != Z_NULL) {
754         if (s->gzhead->comment != Z_NULL) {
789                 strm->adler = crc32(0L, Z_NULL, 0);
912     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
932     strm->state = Z_NULL;
954     if (source == Z_NULL || dest == Z_NULL || source->state == Z_NULL) {
963     if (ds == Z_NULL) return Z_MEM_ERROR;
974     if (ds->window == Z_NULL || ds->prev == Z_NULL || ds->head == Z_NULL ||
975         ds->pending_buf == Z_NULL) {
1451                    (charf *)Z_NULL), \