+ while ((n=bread(bfd, buf, bufsiz)) > 0) {
+ /* Check for sparse blocks */
+ if (ff_pkt->flags & FO_SPARSE) {
+ bool allZeros = false;
+ if ((n == bufsiz &&
+ fileAddr+n < (uint64_t)ff_pkt->statp.st_size) ||
+ ((ff_pkt->type == FT_RAW || ff_pkt->type == FT_FIFO) &&
+ (uint64_t)ff_pkt->statp.st_size == 0)) {
+ allZeros = is_buf_zero(buf, bufsiz);
+ }
+ fileAddr += n; /* update file address */
+ /* Skip any block of all zeros */
+ if (allZeros) {
+ continue; /* skip block of zeros */
+ }
+ }
+