Projects / Lzlib

Lzlib

The lzlib compression library provides in-memory LZMA compression and decompression functions, including integrity checking of the decompressed data. The compressed data format used by the library is the lzip format. The lzip file format is designed for long-term data archiving. It is clean, provides very safe 4-factor integrity checking, and is backed by the recovery capabilities of lziprecover.

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  •  02 Apr 2014 15:51

Release Notes: The compression ratio has been slightly increased. The configure script now accepts the option "--disable-static".

  •  19 Feb 2014 23:38

Release Notes: Improved portability on BSD systems: the configure script now accepts the option "--disable-ldconfig", and "make install" now ignores any errors from ldconfig. Minilzip now copies file dates, permissions, and ownership like "cp -p" (if the user ID or the group ID can't be duplicated, the file permission bits S_ISUID and S_ISGID are cleared). "lzlib.texinfo" has been renamed to "lzlib.texi".

  •  25 Sep 2013 13:33

Release Notes: Decompression support for deprecated version 0 files has been removed. A bug has been fixed that would make an instance of "struct LZ_Encoder" unresponsive if "LZ_compress_sync_flush" were called at the wrong moment. Minor fixes have been made.

  •  02 Aug 2013 17:41

Release Notes: Decompression support for deprecated version 0 files has been removed. A bug has been fixed that would make an instance of "struct LZ_Encoder" unresponsive if "LZ_compress_sync_flush" were called at the wrong moment. Minor fixes have been made.

  •  31 May 2013 22:01

Release Notes: Compression ratio has been slightly increased. Compression time has been reduced by 8%. Decompression time has been reduced by 7%. Arguments and return values of functions in lzlib.h have been changed from "long long" to "unsigned long long". "LZ_decompress_read" now tells "header error" from "unexpected eof" the same way as lzip does when the EOF happens at the header. The target "install-as-lzip" has been added to the Makefile.

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