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2026-01-03 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.29 released.
* New option '--numeric-owner'.
* common_decode.cc (read_t_list): Quit early if NUL bytes in list.
* extended.cc (Extended::parse): Ignore keyword 'ctime'.
* lzip_index.cc (skip_box): New function.
* main.cc (parse_mtime): Fix checking of errors in mktime.
(Thanks to Michael Shigorin).
(getnum): Accept underscore separators ('_').
(set_archive_name): Reject archive name with control characters.
* tarlz.h: Limit max_edata_size to 1 GiB.
* tarlz.texi: Add 'Table of SI and binary prefixes'.
* check.sh: Skip symbolic link archiving test on Cygwin.
(Reported by Sonia Diaz).
2025-06-24 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.28.1 released.
* decode.h: #include <sys/types.h>. (Reported by lid gnulinux).
2025-06-20 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.28 released.
* New option '-T, --files-from'.
* New options '-R, --no-recursive' and '--recursive'.
* New options '--depth', '--mount', '--xdev', and '--parallel'.
* New operation '--time-bits'.
* Assign short option name '-?' to '--help'.
* archive_reader.cc (Archive_reader::read): Detect empty archive.
2025-03-04 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.27.1 released.
* common_mutex.h: #include <pthread.h>. (Reported by Michal Grny).
2025-02-28 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.27 released.
* common_decode.cc (format_member_name): If date is out of range,
print seconds since epoch. Use at least 4 digits to print years.
Print typeflag after the member name if unknown file type.
(make_dirs): stat last dir before trying to create directories.
* decode.cc (skip_warn): Diagnose a corrupt tar header.
* extended.cc (Extended::parse): Diagnose a CRC mismatch.
New argument 'msg_vecp' for multithreaded diagnostics.
* Many small fixes and improvements to the code and the manual.
* tarlz.texi: New chapter 'Creating backups safely'.
(Suggested by Aren Tyr).
* check.sh: Require lzip. Create .tar files from .tar.lz files.
Limit '--mtime' test to safe dates. (Reported by Aren Tyr).
* testsuite: Add 5 new test files.
2024-12-07 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.26 released.
* decode.cc (decode), delete.cc (delete_members):
Return 2 if any empty lzip member is found in a multimember archive.
* create_lz.cc, decode_lz.cc:
Change 'deliver_packet' to 'deliver_packets'.
* create.cc (copy_file): Show file name if read error.
* tarlz.texi: New chapter 'Syntax of command-line arguments'.
* check.sh: Use 'cp' instead of 'cat'.
Skip time stamps out of range or not recognized by system tools.
(Reported by J Dean).
2024-01-03 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.25 released.
* New option '--ignore-metadata'.
* create.cc, decode.cc, decode_lz.cc:
'#include <sys/types.h>' for major, minor, makedev on BSD systems.
* compress.cc: Reformat file diagnostics as 'PROGRAM: FILE: MESSAGE'.
(compress_archive): Create missing intermediate directories.
* configure, Makefile.in: New variable 'MAKEINFO'.
2023-09-20 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.24 released.
* decode.cc (decode), common_decode.cc (check_skip_filename):
Make option '-C' position-dependent also for diff and extract.
(Reported by Devon Sean McCullough).
* create.cc (encode): Deduct '--uncompressed' from archive name ext.
* compress.cc (show_atpos_error): New function showing errno msg.
(compress_archive): Exit with error status 2 if archive is empty.
* Limit the size of a header set (extended+ustar) to INT_MAX.
* check.sh: Fix '--diff' test on OS/2 again. (Reported by Elbert Pol).
2022-09-23 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.23 released.
* Create and decode the extended records 'atime' and 'mtime'.
* Create and decode the extended records 'uid' and 'gid'.
* New option '--ignore-overflow'.
* Refuse to read/write archive data from/to a terminal.
(Reported by DustDFG).
* main.cc (parse_mtime): Make time of day 'HH:MM:SS' optional.
Accept both space and 'T' as separator between date and time.
(show_option_error): New function showing argument and option name.
* decode.cc (extract_member): Diagnose intermediate directory failure.
Failure to extract a member is no longer fatal.
* decode_lz.cc: Make diagnostics identical to serial decoder.
* common_decode.cc (format_member_name): Improve column alignment.
* create.cc (fill_headers): Improve diagnostic when stat reports a
wrong st_size for a symbolic link. (Reported by Jason Lenz).
Change diagnostic "File is the archive" to "Archive can't contain
itself" following a similar change made by Paul Eggert to GNU tar.
* Don't show "Removing leading '/' from member names." if excluded.
* tarlz.texi: Change GNU Texinfo category from 'Data Compression'
to 'Archiving' to match that of GNU tar.
Use 'end-of-archive' (EOA) instead of 'end-of-file' (EOF).
* main.cc (show_help), tarlz.texi: List operations before options.
* Many small improvements have been made to code and documentation.
2022-01-05 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.22 released.
* main.cc (getnum): Show option name and valid range if error.
(check_lib): Check that LZ_API_VERSION and LZ_version_string match.
(main): Report an error if -o is used with any operation except -z.
* configure: Set variable LIBS.
2021-06-14 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.21 released.
* Lzlib 1.12 or newer is now required.
* decode.cc (decode): Skip members without name except when listing.
decode_lz.cc (dworker): Likewise. (Reported by Florian Schmaus).
* New operation '-z, --compress'.
* New options '-o, --output' and '--warn-newer'.
* tarlz.texi (Invoking tarlz): Document concatenation to stdout.
* check.sh: Fix the '--diff' test on OS/2. (Reported by Elbert Pol).
2021-01-08 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.19 released.
* extended.cc: Print a diagnostic for each unknown keyword found.
* tarlz.h: Add a missing '#include <sys/types.h>' for 'mode_t'.
2020-11-21 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.18 released.
* New operation '--check-lib'.
* Implement multithreaded '-x, --extract'.
* Don't #include <sys/sysmacros.h> when compiling on OS2.
* delete.cc, delete_lz.cc: Use Archive_reader.
* extract.cc: Rename to decode.cc.
* tarlz.texi: New section 'Limitations of multithreaded extraction'.
2020-07-30 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.17 released.
* New options '--mtime' and '-p, --preserve-permissions'.
* Implement multithreaded '-d, --diff'.
* list_lz.cc: Rename to decode_lz.cc.
(decode_lz): Limit num_workers to number of members.
* main.cc (main): Report an error if a file name is empty or if the
archive is specified more than once.
* lzip_index.cc: Improve messages for corruption in last header.
* Don't #include <sys/sysmacros.h> when compiling on BSD.
* tarlz.texi: New chapter 'Internal structure of tarlz'.
2019-10-08 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.16 released.
* extract.cc (extract_member): Fix call order of chown, chmod.
* delete_lz.cc (delete_members_lz): Return 2 if collective member.
* main.cc: Set a valid invocation_name even if argc == 0.
* #include <sys/sysmacros.h> unconditionally.
* tarlz.texi: New chapter 'Portable character set'.
2019-04-11 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.15 released.
* New operation '--delete' (from uncompressed or --no-solid archive).
* list_lz.cc: Fix MT listing of archives with format violations.
2019-03-12 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.14 released.
* New options '--exclude' and '-h, --dereference'.
* Short option name '-h' no longer means '--help'.
* create.cc: Implement '-A, --concatenate' and '-r, --append' to
uncompressed archives and to standard output.
* main.cc: Port option '--out-slots' from plzip.
2019-02-27 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.13 released.
* create_lz.cc (cworker): Fix skipping of unreadable files.
* list_lz.cc: Fix listing of archives containing empty lzip members.
* create.cc (fill_headers): Store negative mtime as cero.
2019-02-22 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.12 released.
* create.cc (fill_headers): Fix use of st_rdev instead of st_dev.
* Save just numerical uid/gid if user or group not in database.
* extract.cc (format_member_name): Print devmajor and devminor.
* New operation '-d, --diff'.
* New option '--ignore-ids'.
* extract.cc: Fast '-t, --list' on seekable uncompressed archives.
2019-02-13 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.11 released.
* extract.cc (archive_read): Fix endless loop with empty lz file.
* Implement multithreaded '-c, --create' and '-r, --append'.
* '--bsolid' is now the default compression granularity.
* create.cc (remove_leading_dotslash): Remember more than one prefix.
* tarlz.texi: New chapter 'Minimum archive sizes'.
2019-01-31 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.10 released.
* New options '--bsolid' and '-B, --data-size'.
* create.cc: Set ustar name to zero if extended header is used.
2019-01-22 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.9 released.
* Implement multithreaded '-t, --list'.
* New option '-n, --threads'.
* Recognize global pax headers. Ignore them for now.
* strtoul has been replaced with length-safe parsers.
* tarlz.texi: New chapter 'Limitations of parallel tar decoding'.
2018-12-16 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.8 released.
* New option '--anonymous' (--owner=root --group=root).
* extract.cc (decode): 'tarlz -xf foo ./bar' now extracts 'bar'.
* create.cc: Set to zero most fields in extended headers.
* tarlz.texi: New chapter 'Amendments to pax format'.
2018-11-23 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.7 released.
* New options '--keep-damaged' and '--no-solid'.
* create.cc (archive_write): Minimize dictionary size.
Detect and skip archive in '-A', '-c', and '-r'.
* main.cc (show_version): Show the version of lzlib being used.
2018-10-19 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.6 released.
* New operation '-A, --concatenate'.
* Replace option '--ignore-crc' with '--missing-crc'.
* create.cc (add_member): Check that uid, gid, mtime, devmajor,
and devminor are in ustar range.
* configure: Accept appending to CXXFLAGS; 'CXXFLAGS+=OPTIONS'.
* Makefile.in: Use tarlz in target 'dist'.
2018-09-29 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.5 released.
* Implement simplified POSIX pax format.
* Implement CRC32-C (Castagnoli) of the extended header data.
* New option '--ignore-crc'.
* Add missing #includes for major, minor and makedev.
* tarlz.texi: Document the new archive format.
2018-04-23 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.4 released.
* Add some missing #includes.
* main.cc (main): Open files in binary mode on OS2.
2018-03-19 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.3 released.
* Rename project to 'tarlz' from 'pmtar' (Poor Man's Tar).
* New operation '-r, --append'.
* New options '-C, --directory', '--owner', and '--group'.
* New options '--asolid', '--dsolid', and '--solid'.
* Implement lzip compression of members at archive creation.
* Implement file appending to compressed archive.
* Implement transparent decompression of the archive.
* Implement skipping over damaged (un)compressed members.
* Implement recursive extraction/listing of directories.
* Implement verbose extract/list output.
* tarlz.texi: New file.
2014-01-22 Antonio Diaz Diaz <antonio@gnu.org>
* Version 0.2 released.
* configure: Options now accept a separate argument.
2013-02-16 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 0.1 released.
Copyright (C) 2013-2026 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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