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diff --git a/ChangeLog b/ChangeLog new file mode 100644 index 0000000..7dfae8d --- /dev/null +++ b/ChangeLog @@ -0,0 +1,334 @@ +2022-01-24 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.23 released. + * Decompression time has been reduced by 5-12% depending on the file. + * main.cc (getnum): Show option name and valid range if error. + * Improve several descriptions in manual, '--help', and man page. + * lzip.texi: Change GNU Texinfo category to 'Compression'. + (Reported by Alfred M. Szmidt). + +2021-01-04 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.22 released. + * main.cc (main): Report an error if a file name is empty. + Make '-o' behave like '-c', but writing to file instead of stdout. + Make '-c' and '-o' check whether the output is a terminal only once. + Do not open output if input is a terminal. + * configure: Build, check, and install without 'make'. + * Replace 'decompressed', 'compressed' with 'out', 'in' in output. + * lzip_index.cc: Improve messages for corruption in last header. + * main.cc: Set a valid invocation_name even if argc == 0. + * Document extraction from tar.lz in manual, '--help', and man page. + * lzip.texi (Introduction): Mention plzip and tarlz as alternatives. + * lzip.texi: Several fixes and improvements. + * testsuite: Add 9 new test files. + +2019-01-03 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.21 released. + * Rename File_* to Lzip_*. + * lzip.h (Lzip_trailer): New function 'verify_consistency'. + * lzip_index.cc: Detect some kinds of corrupt trailers. + * main.cc (main): Check return value of close( infd ). + * main.cc: Compile on DOS with DJGPP. + * Fix a GCC warning about catching std::bad_alloc by value. + * lzip.texi: Improve description of '-0..-9', '-m', and '-s'. + * configure: Accept appending to CXXFLAGS; 'CXXFLAGS+=OPTIONS'. + * INSTALL: Document use of CXXFLAGS+='-D __USE_MINGW_ANSI_STDIO'. + +2018-02-11 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.20 released. + * New option '--loose-trailing'. + * Improve corrupt header detection to HD=3. + * main.cc: Show corrupt or truncated header in multimember file. + * main.cc (main): Option '-S, --volume-size' now keeps input files. + * encoder_base.*: Adjust dictionary size for each member. + * Replace 'bits/byte' with inverse compression ratio in output. + * Show progress of decompression at verbosity level 2 (-vv). + * Show progress of (de)compression only if stderr is a terminal. + * main.cc: Show final diagnostic when testing multiple files. + * main.cc: Do not add a second extension '.lz' to the arg of '-o'. + * decoder.cc (verify_trailer): Show stored sizes also in hex. + Show dictionary size at verbosity level 4 (-vvvv). + * lzip.texi: New chapter 'Meaning of lzip's output'. + +2017-04-13 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.19 released. + * The option '-l, --list' has been ported from lziprecover. + * Don't allow mixing different operations (-d, -l or -t). + * Compression time of option '-0' has been slightly reduced. + * Decompression time has been reduced by 2%. + * main.cc: Continue testing if any input file is a terminal. + * main.cc: Show trailing data in both hexadecimal and ASCII. + * encoder.cc (Matchfinder_base): Verify the size passed to new. + * lzip_index.cc: Improve detection of bad dict and trailing data. + * lzip.h: Unify messages for bad magic, trailing data, etc. + +2016-05-14 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.18 released. + * New option '-a, --trailing-error'. + * Decompression time has been reduced by 2%. + * decoder.cc (verify_trailer): Remove test of final code. + * main.cc (main): Delete '--output' file if infd is a terminal. + * main.cc (main): Don't use stdin more than once. + * Remove decompression support for version 0 files. + * lzip.texi: New chapter 'Trailing data'. + * configure: Avoid warning on some shells when testing for g++. + * Makefile.in: Detect the existence of install-info. + * check.sh: A POSIX shell is required to run the tests. + * check.sh: Don't check error messages. + +2015-07-12 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.17 released. + * Reorganization of the compression code. + * lzip.texi: New chapter 'Quality assurance'. + * Makefile.in: New targets 'install*-compress'. + +2014-08-26 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.16 released. + * Compression ratio of option '-9' has been slightly increased. + * Compression time has been reduced by 4%. + * Compression time of option '-0' has been reduced by 2%. + * main.cc (close_and_set_permissions): Behave like 'cp -p'. + * Minor improvements. + * lzip.texinfo: Rename to lzip.texi. + * Change license to GPL version 2 or later. + +2013-09-20 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.15 released. + * Show progress of compression at verbosity level 2 (-vv). + * main.cc (show_header): Don't show header version. + * Ignore option '-n, --threads' for compatibility with plzip. + * configure: Options now accept a separate argument. + * lzip.texinfo: New chapter 'Stream format' and appendix + 'Reference source code'. + +2013-02-17 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.14 released. + * Multi-step trials have been implemented. + * Compression ratio has been slightly increased. + * Compression time has been reduced by 5%. + * Decompression time has been reduced by 12%. + * Makefile.in: New target 'install-bin'. + * main.cc: Use 'setmode' instead of '_setmode' on Windows and OS/2. + * main.cc: Define 'strtoull' to 'std::strtoul' on Windows. + +2012-02-24 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.13 released. + * Lziprecover has been moved to its own package. + * main.cc (close_and_set_permissions): Inability to change output + file attributes has been downgraded from error to warning. + * Compression time of option '-0' has been reduced by 2%. + * Reorganization of the compression code. + * Small change in '--help' output and man page. + * Change quote characters in messages as advised by GNU Standards. + * configure: Rename 'datadir' to 'datarootdir'. + * 'unzcrash.cc' has been moved to package 'lziprecover'. + +2011-04-30 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.12 released. + * New option '-F, --recompress'. + * encoder.h (update_prices): Update high length symbol prices + independently of the value of 'pos_state'. This gives better + compression for large values of '--match-length' without being + slower. + * encoder.h, encoder.cc: Optimize pair price calculations, reducing + compression time for large values of '--match-length' by up to 6%. + * Compression time of option '-0' has been reduced by 2%. + * main.cc (decompress): Print only one status line for each + multimember file when only one '-v' is specified. + * main.cc (decompress): Print up to 6 bytes of trailing data + when '-vvvv' is specified. + * main.cc (open_instream): Don't show the message + " and '--stdout' was not specified" for directories, etc. + * lziprecover.cc: If '-v' is not specified show errors only. + * unzcrash.cc: Use Arg_parser. + * unzcrash.cc: New options '-b, --bits', '-p, --position', and + '-s, --size'. + +2010-09-16 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.11 released. + * New option '-0', which produces a compression speed and ratio + comparable to those of 'gzip -9'. + * fast_encoder.h, fast_encoder.cc: New files. + * main.cc: Match length limit set by options -1 to -8 has been + reduced to extend range of use towards gzip. Lower numbers now + compress less but faster. (-1 now takes 43% less time for only 20% + larger compressed size). + Exit with status 1 if any output file exists and is skipped. + * Compression ratio of option '-9' has been slightly increased. + * lziprecover.cc: New option '-m, --merge', which tries to produce a + correct file by merging the good parts of two or more damaged copies. + * lziprecover.cc: New option '-R, --repair' for repairing a + 1-byte error in single-member files. + * decoder.cc (decode_member): Detect file errors earlier to improve + efficiency of lziprecover's new repair capability. + This change also prevents (harmless) access to uninitialized + memory when decompressing a corrupt file. + * lziprecover.cc: New options '-f, --force' and '-o, --output'. + * lziprecover.cc: New option '-s, --split' to select the until + now only operation of splitting multimember files. + * lziprecover.cc: If no operation is specified, warn the user and do + nothing. + * main.cc: Fix warning about fchown's return value being ignored. + * decoder.cc: '-tvvvv' now also shows compression ratio. + * main.cc: Set stdin/stdout in binary mode on MSVC and OS2. + * lzip.texinfo: New examples. + * testsuite: Rename 'test1' to 'test.txt'. New tests. + * Matchfinder types HC4 (4 bytes hash-chain) and HT4 (4 bytes + hash-table) have been tested and found no better than the current + BT4. + +2010-04-05 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.10 released. + * decoder.h: Input_buffer integrated in Range_decoder. + * main.cc: File specified with option '-o' is now created with mode + 0666 if umask allows it, deleted if interrupted by user. + * main.cc: New constant 'o_binary'. + * main.cc: Dictionary size for options -2, -3, -4 and -8 has been + changed to improve linearity of compressed sizes. + * lzip.h: Fix warnings produced by over-optimization (-O3). + * Makefile.in: Add quotes to directory names. + +2010-01-17 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.9 released. + * main.cc (main): Return at least 1 if closing stdout fails. + * Makefile.in: Add option '--name' to help2man invocation. + * check.sh: Use 'test1' instead of 'COPYING' for testing. + +2009-09-02 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.8 released. + * Compression time has been reduced by 4%. + * Lzdiff and lzgrep have been moved to the new package zutils. + * Fix warnings on systems where uint32_t != unsigned int. + +2009-06-25 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.7 released. + * decoder.h (copy_block): Fix memcpy overlap introduced in 1.6. + +2009-06-22 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.6 released. + * Decompression time has been reduced by 17%. + * Add decompression support for Sync Flush marker. + * Add support for the extension '.tbz' to lzdiff and lzgrep. + * Add man pages for lzdiff, lzgrep and lziprecover. + * encoder.cc (Matchfinder): Reduce memory use to 9x if input file is + smaller than dictionary size limit. + * decoder.cc: Add extra flush calls to improve partial decompression + of corrupt files. + * '--test' no longer needs '/dev/null'. + * Remove some 'bashisms' from lzdiff and lzgrep. + * Dictionary size for options '-1' to '-4' has been changed. + * main.cc (signal_handler): Declare as 'extern "C"'. + * Makefile.in: Extra files are now installed by default. + * check.sh: Test lziprecover. + * Add 'export LC_ALL=C' to all scripts. + +2009-04-12 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.5 released. + * lzip.h: Implement coded dictionary size in Lzip_header. + * Fix some includes that prevented compilation with GCC 4.4. + * 'member_size' and 'volume_size' are now accurate limits. + * Compression speed has been improved. + * Implement bt4 type matchfinder. + * lzip.texinfo: New chapter 'Algorithm'. + * Lzdiff and lzgrep now accept '-h' for '--help' and + '-V' for '--version'. + * Makefile.in: Man page is now installed by default. + * check.sh: Verify that files are opened in binary mode. + +2009-01-24 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.4 released. + * Implement compression of version 1 files. + * New options '-b, --member-size', '-S, --volume-size', and + '-o, --output'. + * main.cc: Read from non-regular files if '--stdout' is specified. + * Add 'lziprecover', a member recoverer program. + * unzcrash.cc: Test all 1-byte errors. + +2008-12-21 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.3 released. + * This version automatically chooses the smallest possible + dictionary size for each file during compression, saving memory + during decompression. + * Implement decompression of version 1 files. + * check.sh: Replace 'diff -q' with 'cmp'. + +2008-12-10 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.2 released. + * encoder.cc: A 1-byte read outside allocated memory has been fixed. + * lzip.h: Dictionary size limit has been reduced to 512MiB because + setting it to 1GiB causes overflow of a 32 bit integer. + * Add 'lzdiff', a diff/cmp wrapper for gzip, bzip2, lzip and + non-compressed files. + * Add 'lzgrep', a grep wrapper for gzip, bzip2, lzip and + non-compressed files. + * 'make install-info' should now work on Debian and OS X. + +2008-11-17 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.1 released. + * Change short name of option '--dictionary-size' to '-s'. + * Change short name of option '--match-length' to '-m'. + * Change LONG_LONG_MAX to LLONG_MAX. + +2008-10-14 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.0 released. + * '-tvv' shows file version and dictionary size. + +2008-09-30 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 0.5 released. + * Decompression is now 1% faster. + +2008-09-23 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 0.4 released. + * Code cleanup for global variable 'verbosity'. + * Regain the compression ratio of 0.2 with 5% faster speed. + * lzip.h: Fix compilation on systems where size_t != unsigned int. + +2008-09-15 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 0.3 released. + * encoder.cc: Compression is now 15% faster, 1% worse. + * main.cc (main): Make option '-t' override '-c'. + * main.cc (decompress): Show 'done' instead of 'ok' when not testing. + * encoder.h: Use trials[] to return the list of pairs. + +2008-09-09 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 0.2 released. + * encoder.cc: Small improvements in compression speed. + * Small documentation changes. + +2008-08-20 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 0.1 released. + + +Copyright (C) 2008-2022 Antonio Diaz Diaz. + +This file is a collection of facts, and thus it is not copyrightable, +but just in case, you have unlimited permission to copy, distribute, and +modify it. |