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Hi folks,
I have good news and bad news. The bad news is that I recently learned of a
number of problems in hfsutils, but the good news is that I have made a new
release, 3.2.6, to correct them.
This version fixes the following significant problems since 3.2.2:
* A problem was fixed in the B*-tree node splitting code which could have
caused the libhfs routines to crash under some rare circumstances. [Thanks
to John Witford for discovering this.]
* A problem was fixed with the handling of catalog and extents clump sizes
on large volumes which, while not a serious problem, was resulting in what
was perceived as B*-tree corruption. (This was first fixed in 1.15b but
was re-introduced in 3.0b1, alas.) [Thanks to Steve Revilak for helping to
isolate this.]
* A problem was fixed where volumes were not being marked "cleanly
unmounted," causing them to undergo a scavenging operation whenever the
volume was opened again either with hfsutils or on a real Macintosh.
This accounts for some of the "slow operation" some people have reported.
There are a number of smaller changes as well, including:
* Better Tcl/Tk configuration discovery.
* Changes to the OS I/O API to use 512-byte blocks rather than
individual bytes.
* A number of const/signed/unsigned improvements for the compiler.
* A few scavenging fixes and improvements.
* API changes to hfs_mount() and hfs_format() to support several new
options, including HFS_OPT_NOCACHE (to prevent libhfs from using its
internal block cache), HFS_OPT_ZERO (to force newly allocated blocks to
be zero-initialized before use), and HFS_OPT_2048 (to force 2048-byte
physical-block file boundaries, compatible with hybrid ISO 9660 schemes.)
The new release can be obtained from:
ftp://ftp.mars.org/pub/hfs/
As always, the hfsutils home page is:
http://www.mars.org/home/rob/proj/hfs/
Cheers,
- --
Robert Leslie
rob(a)mars.org
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