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2026-02-02 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.16-rc2 released.
* decoder.c (decode_member): Rename rep[0-3] to dis[0-3].
* list.c (list_files): Print size of tdata below sizes of members.
* lzip_index.c (skip_box): New function.
* main.c: (show_help): Print "*Exit status*" for section in man page.
(Suggested by Murray Calavera).
(show_help): New argument 'bool full' to print usage or full help.
(Suggested by Murray Calavera and Adam Tuja).
* clzip.texi: Several improvements suggested by John Gilmore.
2025-12-10 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.16-rc1 released.
* decoder.c (check_trailer): With -vv print sizes, not ratios.
* list.c (list_files): With -vv print a blank line between files.
* main.c (getnum): Accept underscore separators ('_').
(show_help): Print short help by default, full help with '-vh'.
(Suggested by Murray Calavera and Adam Tuja).
* Print large numbers with underscore separators ('_').
2025-01-10 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.15 released.
* Remove options '--empty-error' and '--marking-error'.
* main.c (Pp_free): New function.
* decoder.c (LZd_decode_member): Remove support for Sync Flush marker.
* list.c (list_files): Detect write error on stdout.
* clzip.texi: New chapter 'Syntax of command-line arguments'.
* check.sh: Use 'cp' instead of 'cat'.
* testsuite: Add fox_nz.lz. Remove fox6.lz,fox6_mark.lz,test_em.txt.lz.
2024-01-22 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.14 released.
* New options '--empty-error' and '--marking-error'.
* main.c: Reformat file diagnostics as 'PROGRAM: FILE: MESSAGE'.
(show_option_error): New function showing argument and option name.
(main): Make -o preserve date/mode/owner if 1 input file.
(open_outstream): Create missing intermediate directories.
* lzip.h: Rename verify_* to check_*.
* configure, Makefile.in: New variable 'MAKEINFO'.
* INSTALL: Document use of CFLAGS+='--std=c99 -D_XOPEN_SOURCE=500'.
* testsuite: New test files fox6.lz, fox6_mark.lz.
2022-01-24 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.13 released.
* Decompression time has been reduced by 5-12% depending on the file.
* main.c (getnum): Show option name and valid range if error.
* Improve several descriptions in manual, '--help', and man page.
* clzip.texi: Change GNU Texinfo category to 'Compression'.
(Reported by Alfred M. Szmidt).
2021-01-04 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.12 released.
* Require C99 instead of 'C89 + bool + inline + long long'.
* main.c (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.
Set a valid invocation_name even if argc == 0.
* Replace 'decompressed', 'compressed' with 'out', 'in' in output.
* lzip_index.c: Improve messages for corruption in last header.
* Document extraction from tar.lz in manual, '--help', and man page.
* clzip.texi (Introduction): Mention plzip and tarlz as alternatives.
Several fixes and improvements.
* testsuite: Add 9 new test files.
2019-01-03 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.11 released.
* Rename File_* to Lzip_*.
* lzip.h (Lzip_trailer): New function 'Lt_verify_consistency'.
* lzip_index.c: Detect some kinds of corrupt trailers.
* main.c (main): Check return value of close( infd ).
Compile on DOS with DJGPP. (Reported by Robert Riebisch).
* clzip.texi: Improve descriptions of '-0..-9', '-m', and '-s'.
* configure: Accept appending to CFLAGS; 'CFLAGS+=OPTIONS'.
* INSTALL: Document use of CFLAGS+='-D __USE_MINGW_ANSI_STDIO'.
2018-02-06 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.10 released.
* New option '--loose-trailing'.
* Improve corrupt header detection to HD=3.
* main.c: Show corrupt or truncated header in multimember file.
(main): Make option '-S, --volume-size' keep input files.
(main): Show final diagnostic when testing multiple files.
(set_c_outname): Do not add a second '.lz' to the arg of '-o'.
* 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.
* decoder.c (LZd_verify_trailer): Show stored sizes also in hex.
Show dictionary size at verbosity level 4 (-vvvv).
* clzip.texi: New chapter 'Meaning of clzip's output'.
2017-04-13 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.9 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 reduced by 6%.
* Compression time of options -1 to -9 has been reduced by 1%.
* Decompression time has been reduced by 7%.
* main.c: Continue testing if any input file is a terminal.
Show trailing data in both hexadecimal and ASCII.
* lzip_index.c: Improve detection of bad dict and trailing data.
* lzip.h: Unify messages for bad magic, trailing data, etc.
* clzip.texi: Add missing chapters from lzip.texi.
2016-05-13 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.8 released.
* New option '-a, --trailing-error'.
* main.c (main): Delete '--output' file if infd is a terminal.
(main): Don't use stdin more than once.
(decompress): Print 6 bytes of trailing data at verbosity level 4.
* decoder.c (LZd_verify_trailer): Remove test of final code.
* clzip.texi: New chapter 'Trailing data'.
* configure: Avoid warning on some shells when testing for gcc.
* Makefile.in: Detect the existence of install-info.
* check.sh: Require a POSIX shell. Don't check error messages.
2015-07-07 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.7 released.
* Port fast encoder and option '-0' from lzip.
* Makefile.in: New targets 'install*-compress'.
2014-08-28 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.6 released.
* Compression ratio of option '-9' has been slightly increased.
* main.c (close_and_set_permissions): Behave like 'cp -p'.
* clzip.texinfo: Rename to clzip.texi.
* Change license to GPL version 2 or later.
2013-09-17 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.5 released.
* Show progress of compression at verbosity level 2 (-vv).
* main.c (show_header): Don't show header version.
* Ignore option '-n, --threads' for compatibility with plzip.
* configure: Options now accept a separate argument.
2013-02-18 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 1.4 released.
* Multi-step trials have been implemented.
* Compression ratio has been slightly increased.
* Compression time has been reduced by 10%.
* Decompression time has been reduced by 8%.
* Makefile.in: New targets 'install-as-lzip' and 'install-bin'.
* main.c: Define 'strtoull' to 'strtoul' on Windows.
(main): Use 'setmode' instead of '_setmode' on Windows and OS/2.
2012-02-25 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 1.3 released.
* main.c (close_and_set_permissions): Inability to change output
file attributes has been downgraded from error to warning.
* encoder.c (Mf_init): Return false if out of memory instead of
calling cleanup_and_fail.
* Small change in '--help' output and man page.
* Change quote characters in messages as advised by GNU Standards.
* configure: Rename 'datadir' to 'datarootdir'.
2011-05-18 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 1.2 released.
* New option '-F, --recompress'.
* encoder.h (Lee_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.c: Optimize pair price calculations, reducing
compression time for large values of '--match-length' by up to 6%.
* main.c (decompress): Print only one status line for each
multimember file when only one '-v' is specified.
2011-01-11 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 1.1 released.
* Code has been converted to 'C89 + long long' from C99.
* decoder.c: '-tvvvv' now shows compression ratio.
* main.c: 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.
Fix warning about fchown's return value being ignored.
(open_instream): Don't show the message
" and '--stdout' was not specified" for directories, etc.
* Compression ratio of option '-9' has been slightly increased.
* New examples have been added to the manual.
2010-04-05 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 1.0 released.
* Initial release.
* Translated to C from the C++ source of lzip 1.10.
Copyright (C) 2010-2026 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.
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