[Lzip-bug] Plzip 1.8-pre1 released

[Antonio Diaz Diaz]

Plzip 1.8-pre1 is ready for testing here
http://download.savannah.gnu.org/releases/lzip/plzip/plzip-1.8-pre1.tar.lz
http://download.savannah.gnu.org/releases/lzip/plzip/plzip-1.8-pre1.tar.gz

The sha256sums are:
89bcde63d29ece5947157d9e869f79a542f589e9cbca716b779c3d879df0e282 
plzip-1.8-pre1.tar.lz
9b6870f8a1ca8bfbc689a32552cae25dc1e80c9e07dd39b06bab3f196a6e6142 
plzip-1.8-pre1.tar.gz

Please, test it and report any bugs you find.

Plzip is a massively parallel (multi-threaded) lossless data compressor 
based on the lzlib compression library, with a user interface similar to 
the one of lzip, bzip2 or gzip.

Plzip can compress/decompress large files on multiprocessor machines 
much faster than lzip, at the cost of a slightly reduced compression 
ratio (0.4 to 2 percent larger compressed files). Note that the number 
of usable threads is limited by file size; on files larger than a few GB 
plzip can use hundreds of processors, but on files of only a few MB 
plzip is no faster than lzip.

Plzip uses the lzip file format; the files produced by plzip are fully 
compatible with lzip-1.4 or newer, and can be rescued with lziprecover.

The lzip file format is designed for data sharing and long-term 
archiving, taking into account both data integrity and decoder availability.

The homepage is at http://www.nongnu.org/lzip/plzip.html

Changes in this version:

  * The new options '--in-slots' and '--out-slots', setting the number 
of input and output packets buffered during streamed decompression, have 
been added. Increasing the number of packets may increase decompression 
speed, but requires more memory.

  * The default number of input packets buffered per worker thread when 
decompressing from non-seekable input has been increased from 2 to 4.

  * The default number of output packets buffered per worker thread 
when decompressing to non-seekable output has been increased from 32 to 64.

  * Detection of forbidden combinations of characters in trailing data 
has been improved.

  * Errors are now also checked when closing the input file.

  * The descriptions of '-0..-9', '-m' and '-s' in the manual have been 
improved.

  * The configure script now accepts the option '--with-mingw' to 
enable the compilation of plzip under MS Windows (with the MinGW 
compiler). Use with care. The Windows I/O functions used are not 
guaranteed to be thread safe.

  * The configure script now accepts appending options to CXXFLAGS 
using the syntax 'CXXFLAGS+=OPTIONS'.

  * It has been documented in INSTALL the use of
CXXFLAGS+='-D __USE_MINGW_ANSI_STDIO' when compiling on MinGW.


Regards,
Antonio Diaz, plzip co-author and maintainer.

--
If you are distributing software in xz format, please consider using 
lzip instead. See http://www.nongnu.org/lzip/lzip_benchmark.html#xz1 and 
http://www.nongnu.org/lzip/xz_inadequate.html

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