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2024-02-17xz: Fix message_init() description.Lasse Collin1-1/+4
Also explicitly initialize progress_automatic to make it clear that it can be read before message_init() sets it. Static variable was initialized to false by default already so this is only for clarity.
2024-02-14Add SPDX license identifier into 0BSD source code files.Lasse Collin1-0/+2
2024-02-14Change most public domain parts to 0BSD.Lasse Collin1-3/+0
Translations and doc/xz-file-format.txt and doc/lzma-file-format.txt were not touched. COPYING.0BSD was added.
2023-09-22xz, xzdec, lzmainfo: Use tuklib_attr_noreturn.Lasse Collin1-13/+17
For compatibility with C23's [[noreturn]], tuklib_attr_noreturn must be at the beginning of declaration (before "extern" or "static", and even before any GNU C's __attribute__). This commit also moves all other function attributes to the beginning of function declarations. "extern" is kept at the beginning of a line so the attributes are listed on separate lines before "extern" or "static".
2023-07-17xz: Add a new --filters-help option.Jia Tan1-0/+5
The --filters-help can be used to help create filter chains with the --filters and --filtersX options. The message in --long-help is too short to fully explain the syntax to construct complex filter chains. In --robot mode, xz will only print the output from liblzma function lzma_str_list_filters.
2022-11-30xz: Remove message_filters_to_str function prototype from message.h.Jia Tan1-16/+0
This was forgotten from 7484744af6cbabe81e92af7d9e061dfd597fff7b.
2018-12-20xz: Fix a crash in progress indicator when in passthru mode.Lasse Collin1-1/+2
"xz -dcfv not_an_xz_file" crashed (all four options are required to trigger it). It caused xz to call lzma_get_progress(&strm, ...) when no coder was initialized in strm. In this situation strm.internal is NULL which leads to a crash in lzma_get_progress(). The bug was introduced when xz started using lzma_get_progress() to get progress info for multi-threaded compression, so the bug is present in versions 5.1.3alpha and higher. Thanks to Filip Palian <Filip.Palian@pjwstk.edu.pl> for the bug report.
2011-05-17Add underscores to attributes (__attribute((__foo__))).Lasse Collin1-9/+9
2010-10-19Clean up a few FIXMEs and TODOs.Lasse Collin1-1/+1
lzma_chunk_size() was commented out because it is currently useless.
2010-10-11xz: Avoid SA_RESTART for portability reasons.Lasse Collin1-0/+4
SA_RESTART is not as portable as I had hoped. It's missing at least from OpenVMS, QNX, and DJGPP). Luckily we can do fine without SA_RESTART.
2010-09-10xz: Multiple fixes.Lasse Collin1-3/+7
The code assumed that printing numbers with thousand separators and decimal points would always produce only US-ASCII characters. This was used for buffer sizes (with snprintf(), no overflows) and aligning columns of the progress indicator and --list. That assumption was wrong (e.g. LC_ALL=fi_FI.UTF-8 with glibc), so multibyte character support was added in this commit. The old way is used if the operating system doesn't have enough multibyte support (e.g. lacks wcwidth()). The sizes of buffers were increased to accomodate multibyte characters. I don't know how big they should be exactly, but they aren't used for anything critical, so it's not too bad. If they still aren't big enough, I hopefully get a bug report. snprintf() takes care of avoiding buffer overflows. Some static buffers were replaced with buffers allocated on stack. double_to_str() was removed. uint64_to_str() and uint64_to_nicestr() now share the static buffer and test for thousand separator support. Integrity check names "None" and "Unknown-N" (2 <= N <= 15) were marked to be translated. I had forgot these, plus they wouldn't have worked correctly anyway before this commit, because printing tables with multibyte strings didn't work. Thanks to Marek Černocký for reporting the bug about misaligned table columns in --list output.
2010-08-07Disable the memory usage limiter by default.Lasse Collin1-4/+0
For several people, the limiter causes bigger problems that it solves, so it is better to have it disabled by default. Those who want to have a limiter by default need to enable it via the environment variable XZ_DEFAULTS. Support for environment variable XZ_DEFAULTS was added. It is parsed before XZ_OPT and technically identical with it. The intended uses differ quite a bit though; see the man page. The memory usage limit can now be set separately for compression and decompression using --memlimit-compress and --memlimit-decompress. To set both at once, -M or --memlimit can be used. --memory was retained as a legacy alias for --memlimit for backwards compatibility. The semantics of --info-memory were changed in backwards incompatible way. Compatibility wasn't meaningful due to changes in the memory usage limiter functionality. The memory usage limiter info is no longer shown at the bottom of xz --long -help. The memory usage limiter support for removed completely from xzdec. xz's man page was updated to match the above changes. Various unrelated fixes were also made to the man page.
2010-06-01Rename message_filters_get() to message_filters_to_str().Lasse Collin1-1/+1
2010-05-16Split message_filters().Lasse Collin1-1/+13
message_filters_to_str() converts the filter chain to a string. message_filters_show() replaces the original message_filters(). uint32_to_optstr() was also added to show the dictionary size in nicer format when possible.
2010-02-12Collection of language fixes to comments and docs.Lasse Collin1-1/+1
Thanks to Jonathan Nieder.
2010-01-31Delay opening the destionation file and other fixes.Lasse Collin1-9/+20
The opening of the destination file is now delayed a little. The coder is initialized, and if decompressing, the memory usage of the first Block compared against the memory usage limit before the destination file is opened. This means that if --force was used, the old "target" file won't be deleted so easily when something goes wrong very early. Thanks to Mark K for the bug report. The above fix required some changes to progress message handling. Now there is a separate function for setting and printing the filename. It is used also in list.c. list_file() now handles stdin correctly (gives an error). A useless check for user_abort was removed from file_io.c.
2010-01-24Some improvements to printing sizes in xz.Lasse Collin1-0/+4
2009-11-16Add support for --info-memory and --robot to xz.Lasse Collin1-0/+4
Currently --robot works only with --info-memory and --version. --help and --long-help work too, but --robot has no effect on them. Thanks to Jonathan Nieder for the original patches.
2009-09-19Various changes.Lasse Collin1-4/+4
Separate a few reusable components from XZ Utils specific code. The reusable code is now in "tuklib" modules. A few more could be separated still, e.g. bswap.h. Fix some bugs in lzmainfo. Fix physmem and cpucores code on OS/2. Thanks to Elbert Pol for help. Add OpenVMS support into physmem. Add a few #ifdefs to ease building XZ Utils on OpenVMS. Thanks to Jouk Jansen for the original patch.
2009-04-13Put the interesting parts of XZ Utils into the public domain.Lasse Collin1-10/+3
Some minor documentation cleanups were made at the same time.
2009-02-22Fixes to progress message handling in xz:Lasse Collin1-10/+18
- Don't use Windows-specific code on Windows. The old code required at least Windows 2000. Now it should work on Windows 98 and later, and maybe on Windows 95 too. - Use less precision when showing estimated remaining time. - Fix some small design issues.
2009-02-05Various code cleanups the the xz command line tool.Lasse Collin1-6/+0
It now builds with MinGW.
2008-12-17xz message handling improvementsLasse Collin1-1/+6
2008-11-19Renamed lzma to xz and lzmadec to xzdec. We create symlinksLasse Collin1-0/+132
lzma, unlzma, and lzcat in "make install" for backwards compatibility with LZMA Utils 4.32.x; I'm not sure if this should be the default though.
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