ดาวน์โหลด b3sum 1.8.6

version 1.8.6
Changes since 1.8.5:
- update_mmap and update_mmap_rayon (and by extension b3sum) now
use seek rather than metadata to get the length of a file/mapping,
and they tolerate mmap failures. That means b3sum will now memory
map e.g. Linux block devices, which support mapping despite reporting
length 0 in metadata. Hashing NUL files on Windows also works now,
where previously it was an error unless you used --no-mmap or <.
This change was originally proposed by @nabijaczleweli.