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Diffstat (limited to 'ChangeLog')
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diff --git a/ChangeLog b/ChangeLog new file mode 100644 index 0000000..363ce18 --- /dev/null +++ b/ChangeLog @@ -0,0 +1,233 @@ +2022-01-21 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.23 released. + * Decompression time has been reduced by 5-12% depending on the file. + * main_common.cc (getnum): Show option name and valid range if error. + * dump_remove.cc (dump_members): Check tty except for --dump=tdata. + * Option '-U, --unzcrash' now takes an argument ('1' or 'B<size>'). + * mtester.cc (duplicate_buffer): Use an external buffer. + * repair.cc (debug_decompress): Continue decoding on CRC mismatch. + * unzcrash.cc: Make zcmp_command a string of unlimited size. + Use execvp instead of popen to avoid invoking /bin/sh. + Print byte or block position in messages. + * New file common.h. + * Improve several descriptions in manual, '--help', and man page. + * lziprecover.texi: Change GNU Texinfo category to 'Compression'. + (Reported by Alfred M. Szmidt). + +2021-01-02 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.22 released. + * New options '-e, --reproduce', '--lzip-level', '--lzip-name', + '--reference-file', and '-E, --debug-reproduce'. + * Remove '--dump-tdata', '--remove-tdata', and '--strip-tdata'. + * main.cc (main): Report an error if a file name is empty. + Make '-o' behave like '-c', but writing to file. + Make '-c' and '-o' check whether the output is a terminal only once. + Do not open output if input is a terminal. + * main.cc (decompress): With '-i', ignore data errors, keep files. + * range_dec.cc: '-i -D' now decompresses a truncated last member. + * '-i -D' now returns 0 if only ignored errors are found. + * '-i' now considers any block > 36 with header a member, not a gap. + * Replace 'decompressed', 'compressed' with 'out', 'in' in output. + * Fix several compiler warnings. (Reported by Nissanka Gooneratne). + * lzip_index.cc: Improve messages for corruption in last header. + * New debug options '-M, --md5sum' and '-U, --unzcrash'. + * main.cc: Set a valid invocation_name even if argc == 0. + * Document extraction from tar.lz in manual, '--help', and man page. + * New files lunzcrash.cc, md5.h, md5.cc, nrep_stats.cc, reproduce.cc. + * lziprecover.texi: New chapter 'Reproducing one sector'. + New sections 'Merging with a backup' and 'Reproducing a mailbox'. + Document the debug options for experts. + * check.sh: Lzip 1.16 or newer is required to run the tests. + * testsuite: Add 9 new test files. + +2019-01-04 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.21 released. + * Rename File_* to Lzip_*. + * New options '--dump', '--remove', and '--strip'. They + replace '--dump-tdata', '--remove-tdata', and '--strip-tdata', + which are now aliases and will be removed in version 1.22. + * lzip.h (Lzip_trailer): New function 'verify_consistency'. + * lzip_index.cc: Lzip_index now detects gaps between members, + some kinds of corrupt trailers and + some fake trailers embedded in trailing data. + * split.cc: Use Lzip_index to split members, gaps and trailing data. + * split.cc: Verify last member before writing anything. + * list.cc (list_files): With '-i', ignore format errors, show gaps. + * range_dec.cc: With '-i', ignore a truncated last member. + * main.cc (main): Check return value of close( infd ). + * Improve and add new diagnostic messages. + * Print '\n' instead of '\r' if !isatty( 1 ) in merge, repair. + * main.cc: Compile on DOS with DJGPP. + * lziprecover.texi: New chapter 'Tarlz'. + * configure: Accept appending to CXXFLAGS; 'CXXFLAGS+=OPTIONS'. + * INSTALL: Document use of CXXFLAGS+='-D __USE_MINGW_ANSI_STDIO'. + * New test files fox.lz, fox6_sc[1-6].lz. + +2018-02-12 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.20 released. + * split.cc: Fix splitting of files > 64 KiB broken since 1.16. + * New options '--dump-tdata', '--remove-tdata', '--strip-tdata', and + '--loose-trailing'. + * Improve corrupt header detection to HD=3. + * main.cc: Show corrupt or truncated header in multimember file. + * Replace 'bits/byte' with inverse compression ratio in output. + * Show progress of decompression at verbosity level 2 (-vv). + * Show progress of decompression only if stderr is a terminal. + * main.cc: Show final diagnostic when testing multiple files. + * decoder.cc (verify_trailer): Show stored sizes also in hex. + Show dictionary size at verbosity level 4 (-vvvv). + +2017-04-10 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.19 released. + * merge.cc: Fix members with thousands of scattered errors. + * Option '-a' now works with '-l' and '-D'. + * The output of option '-l, --list' has been simplified. + * main.cc: Continue testing if any input file is a terminal. + * main.cc: Show trailing data in both hexadecimal and ASCII. + * lzip_index.cc: Improve detection of bad dict and trailing data. + * lzip_index.cc: Skip trailing data more efficiently. + * lzip.h: Unify messages for bad magic, trailing data, etc. + * New struct Bad_byte allows delta and flip modes for bad_value. + * unzcrash.cc: New option '-e, --set-byte'. + +2016-05-12 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.18 released. + * New option '-a, --trailing-error'. + * merge.cc (open_input_files): Use CRC to test identical files. + * repair.cc (repair_file): Detect gross damage before repairing. + * repair.cc: Repair a damaged dictionary size in the header. + * repair.cc: Try bytes at offsets 7 to 11 first. + * Decompression time has been reduced by 2%. + * main.cc (decompress): Print up to 6 bytes of trailing data + when '-tvvvv' is specified. + * 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. + * Use 'close_and_set_permissions' and 'set_signals' in all modes. + * range_dec.cc (list_file): Show dictionary size and size of + trailing data (if any) with '-lv'. + * New options '-A, --alone-to-lz', '-W, --debug-decompress', and + '-X, --show-packets'. + * Change short name of option '--debug-delay' to '-Y'. + * Change short name of option '--debug-repair' to '-Z'. + * unzcrash.cc: New options '-B, --block', '-d, --delta', + '-t, --truncate', and '-z, --zcmp'. + * unzcrash.cc: Read files as large as RAM allows. + * unzcrash.cc: Compare output using zcmp if decompressor returns 0. + * unzcrash.cc: Accept negative position and size. + * lziprecover.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: Don't check error messages. + * check.sh: A POSIX shell is required to run the tests. + +2015-05-28 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.17 released. + * New block selection algorithm makes merge up to 100 times faster. + * repair.cc: Repair time has been reduced by 15%. + * New options '-y, --debug-delay' and '-z, --debug-repair'. + * Makefile.in: New targets 'install*-compress'. + * testsuite/unzcrash.cc: Move to top directory. + * lziprecover.texi: New chapter 'File names'. + +2014-08-29 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.16 released. + * New class LZ_mtester makes repair up to 10 times faster. + * main.cc (close_and_set_permissions): Behave like 'cp -p'. + * lziprecover.texinfo: Rename to lziprecover.texi. + * Change license to GPL version 2 or later. + +2013-09-14 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.15 released. + * repair.cc: Repair multimember files with up to one byte error + per member. + * merge.cc: Merge multimember files. + * main.cc (show_header): Don't show header version. + * lziprecover.texinfo: New chapters 'Repairing files', + 'Merging files', and 'Unzcrash'. + +2013-05-31 Antonio Diaz Diaz <antonio@gnu.org> + + * Version 1.14 released. + * New option '-i, --ignore-errors'. + * Option '-l, --list' now accepts more than one file. + * Decompression time has been reduced by 12%. + * split.cc: Use as few digits as possible in file names. + * split.cc: In verbose mode show names of files being created. + * main.cc (show_header): Show header version if verbosity >= 4. + * configure: Options now accept a separate argument. + * Makefile.in: New targets 'install-as-lzip' and 'install-bin'. + * main.cc: Use 'setmode' instead of '_setmode' on Windows and OS/2. + +2012-02-24 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.13 released. + * Lziprecover is now distributed in its own package. Until + version 1.12 it was included in the lzip package. Previous + entries in this file are taken from there. + * lziprecover.cc: Rename to main.cc. + * New files merge.cc, repair.cc, split.cc, and range_dec.cc. + * main.cc: Add decompressor options (-c, -d, -k, -t) so that + an external decompressor is not needed for recovery nor for + "make check". + * New option '-D, --range-decompress', which extracts a range of + bytes decompressing only the members containing the desired data. + * New option '-l, --list', which prints correct total file sizes + even for multimember files. + * merge.cc, repair.cc: Remove output file if recovery fails. + * Change quote characters in messages as advised by GNU Standards. + * split.cc: Use Boyer-Moore algorithm to search for headers. + * configure: Rename 'datadir' to 'datarootdir'. + +2011-04-30 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.12 released. + * 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. + * 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. + +2009-06-22 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.6 released. + * lziprecover.1: New man page. + * check.sh: Test lziprecover. + +2009-01-24 Antonio Diaz Diaz <ant_diaz@teleline.es> + + * Version 1.4 released. + * Add 'lziprecover', a member recoverer program. + * unzcrash.cc: Test all 1-byte errors. + + +Copyright (C) 2009-2022 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. |