+
+ int64_t datasize = vmar->clusters_read*VMA_CLUSTER_SIZE-vmar->zero_cluster_data;
+ if (datasize) { // this does not make sense for empty files
-+ printf("space reduction due to 4K zero bocks %.3g%%\n",
++ printf("space reduction due to 4K zero blocks %.3g%%\n",
+ (double)(100.0*vmar->partial_zero_cluster_data) / datasize);
+ }
+ }