218 		z_stream z;  member
880 	z_stream * const z = &hctx->u.z;  in stream_deflate_init()  local
881 	z->zalloc = Z_NULL;  in stream_deflate_init()
882 	z->zfree = Z_NULL;  in stream_deflate_init()
883 	z->opaque = Z_NULL;  in stream_deflate_init()
884 	z->total_in = 0;  in stream_deflate_init()
885 	z->total_out = 0;  in stream_deflate_init()
886 	z->next_out = (unsigned char *)hctx->output->ptr;  in stream_deflate_init()
887 	z->avail_out = hctx->output->size;  in stream_deflate_init()
898 	if (Z_OK != deflateInit2(z,  in stream_deflate_init()
913 	z_stream * const z = &(hctx->u.z);  in stream_deflate_compress()  local
917 	*((const unsigned char **)&z->next_in) = start;  in stream_deflate_compress()
918 	z->avail_in = st_size;  in stream_deflate_compress()
923 		if (Z_OK != deflate(z, Z_NO_FLUSH)) return -1;  in stream_deflate_compress()
925 		if (z->avail_out == 0 || z->avail_in > 0) {  in stream_deflate_compress()
926 			len = hctx->output->size - z->avail_out;  in stream_deflate_compress()
930 			z->next_out = (unsigned char *)hctx->output->ptr;  in stream_deflate_compress()
931 			z->avail_out = hctx->output->size;  in stream_deflate_compress()
933 	} while (z->avail_in > 0);  in stream_deflate_compress()
939 	z_stream * const z = &(hctx->u.z);  in stream_deflate_flush()  local
949 			rc = deflate(z, Z_FINISH);  in stream_deflate_flush()
957 				rc = deflate(z, Z_SYNC_FLUSH);  in stream_deflate_flush()
959 			} else if (z->avail_in > 0) {  in stream_deflate_flush()
960 				rc = deflate(z, Z_NO_FLUSH);  in stream_deflate_flush()
965 		len = hctx->output->size - z->avail_out;  in stream_deflate_flush()
966 		if (z->avail_out == 0 || (len > 0 && (end || p->conf.sync_flush))) {  in stream_deflate_flush()
970 			z->next_out = (unsigned char *)hctx->output->ptr;  in stream_deflate_flush()
971 			z->avail_out = hctx->output->size;  in stream_deflate_flush()
973 	} while (z->avail_in != 0 || !done);  in stream_deflate_flush()
979 	z_stream * const z = &(hctx->u.z);  in stream_deflate_end()  local
980 	int rc = deflateEnd(z);  in stream_deflate_end()
983 	if (z->msg != NULL) {  in stream_deflate_end()
985 		  "deflateEnd error ret=%d, msg=%s", rc, z->msg);  in stream_deflate_end()