]> git.ipfire.org Git - thirdparty/xz.git/log
thirdparty/xz.git
2 years agoxz: Update a comment and initialization of filters_used_mask
Lasse Collin [Sun, 12 May 2024 12:38:48 +0000 (15:38 +0300)] 
xz: Update a comment and initialization of filters_used_mask

2 years agoxz: parse_block_list: Edit integer type casting
Lasse Collin [Sun, 12 May 2024 12:08:10 +0000 (15:08 +0300)] 
xz: parse_block_list: Edit integer type casting

2 years agoxz: Make filter_memusages a local variable
Lasse Collin [Sun, 12 May 2024 11:51:37 +0000 (14:51 +0300)] 
xz: Make filter_memusages a local variable

2 years agoxz: Remove unused code and simplify
Lasse Collin [Fri, 10 May 2024 17:33:08 +0000 (20:33 +0300)] 
xz: Remove unused code and simplify

opt_mode == MODE_COMPRESS isn't possible when HAVE_ENCODERS isn't
defined. Thus, when *encoding*, the message about *decoder* memory
usage is possible to show only when both encoder and decoder have
been built.

Since the message is shown only at V_DEBUG, skip the memusage
calculation if verbosity level isn't high enough.

Fixes: 5f0c5a04388f8334962c70bc37a8c2ff8f605e0a
2 years agoxz: Fix integer type from uint64_t to uint32_t
Lasse Collin [Fri, 10 May 2024 17:22:58 +0000 (20:22 +0300)] 
xz: Fix integer type from uint64_t to uint32_t

lzma_options_lzma.dict_size is uint32_t so use it here too.

Fixes: 5f0c5a04388f8334962c70bc37a8c2ff8f605e0a
2 years agodebug/translation.bash: Remove an outdated test command
Lasse Collin [Wed, 8 May 2024 18:40:07 +0000 (21:40 +0300)] 
debug/translation.bash: Remove an outdated test command

Since 5.3.5beta, "xz --lzma2=mf=bt4,nice=2" works even though bt4 needs
at least nice=4. It is rounded up internally by liblzma when needed.

Fixes: 5cd9f0df78cc4f8a7807bf6104adea13034fbb45
2 years agoFix the date of NEWS for 5.4.5
Lasse Collin [Tue, 7 May 2024 17:41:28 +0000 (20:41 +0300)] 
Fix the date of NEWS for 5.4.5

2 years agoBuild: Update visibility.m4 from Gnulib
Lasse Collin [Tue, 7 May 2024 13:21:15 +0000 (16:21 +0300)] 
Build: Update visibility.m4 from Gnulib

This fixes the syntax of the "serial" line and renames
a temporary variable.

2 years agopo4a/update-po: Delete the *.po.authors files
Lasse Collin [Tue, 7 May 2024 12:05:21 +0000 (15:05 +0300)] 
po4a/update-po: Delete the *.po.authors files

These are temporary files that are needed only when running po4a.
The top-level Makefile.am puts the whole po4a directory into
distribution tarball (it's simpler) so deleting these temporary
files is needed to prevent them from getting into tarballs.

2 years agoxz: Edit comments and coding style
Lasse Collin [Tue, 7 May 2024 10:12:17 +0000 (13:12 +0300)] 
xz: Edit comments and coding style

2 years agoxz: Omit an incorrect comment
Lasse Collin [Mon, 6 May 2024 20:08:22 +0000 (23:08 +0300)] 
xz: Omit an incorrect comment

It likely was a leftover from a development version of the code.

Fixes: 183819bfd9efac8c184d9bf123325719b7eee30f
2 years agoxz: Add braces to a for-statement and to an if-statement
Lasse Collin [Mon, 6 May 2024 20:04:31 +0000 (23:04 +0300)] 
xz: Add braces to a for-statement and to an if-statement

No functional changes.

Fixes: 5f0c5a04388f8334962c70bc37a8c2ff8f605e0a
Fixes: 479fd58d60622331fcbe48fddf756927b9f80d9a
2 years agoliblzma: Omit an unneeded array from the x86 filter
Lasse Collin [Mon, 6 May 2024 20:00:09 +0000 (23:00 +0300)] 
liblzma: Omit an unneeded array from the x86 filter

Fixes: 6aa2a6deeba04808a0fe4461396e7fb70277f3d4
2 years agoCMake: Add test_suffix.sh to the tests
Lasse Collin [Mon, 6 May 2024 19:56:31 +0000 (22:56 +0300)] 
CMake: Add test_suffix.sh to the tests

2 years agoTest: Add CMake support to test_suffix.sh
Lasse Collin [Mon, 6 May 2024 19:55:54 +0000 (22:55 +0300)] 
Test: Add CMake support to test_suffix.sh

It needs to find the xz executable from a different directory
and work without config.h.

2 years agoUpdate INSTALL about MINIX 3
Lasse Collin [Mon, 6 May 2024 17:45:34 +0000 (20:45 +0300)] 
Update INSTALL about MINIX 3

The latest stable is 3.3.0 and it's from 2014.
Don't mention the older versions in INSTALL.
3.3.0 ships with Clang already.

Testing with 3.4.0beta6 shows that tuklib_physmem
works too so omit comments about that from INSTALL.
Visibility warnigns weren't a problem either.

Thus it's enough to mention the need for --disable-threads
as configure doesn't autodetect the lack of pthreads.

2 years agoWindows: Remove the "doc/api" line from README-Windows.txt
Lasse Collin [Thu, 2 May 2024 20:00:16 +0000 (23:00 +0300)] 
Windows: Remove the "doc/api" line from README-Windows.txt

Fixes: 252aa1d67bc015eeba462803ab72edeb7744d864
2 years agoBuild: Don't copy doc/api from source tree to distribution tarball
Lasse Collin [Thu, 2 May 2024 19:59:04 +0000 (22:59 +0300)] 
Build: Don't copy doc/api from source tree to distribution tarball

It was copied if it existed. This was intentional when autogen.sh
still built liblzma API docs with Doxygen.

Fixes: d3a77ebc04bf1db8d52de2d9b0f07877bc4fd139
2 years agoci: add SPDX headers
Sam James [Thu, 2 May 2024 12:26:40 +0000 (13:26 +0100)] 
ci: add SPDX headers

I've checked over each of these and they're straightforward applications
of the relevant Github Actions.

2 years agocodespell: Ignore the THANKS file and debbugs.gnu.org URL
Yaroslav Halchenko [Fri, 29 Mar 2024 18:37:24 +0000 (14:37 -0400)] 
codespell: Ignore the THANKS file and debbugs.gnu.org URL

This way "codespell -i 0" is silent.

This is the first commit from
https://github.com/tukaani-project/xz/pull/93
with trivial edits by Lasse Collin.

2 years agoAdd .gitattributes to clean up git-archive output
Lasse Collin [Tue, 30 Apr 2024 11:37:11 +0000 (14:37 +0300)] 
Add .gitattributes to clean up git-archive output

2 years agoxzdec: Support Landlock ABI version 4
Lasse Collin [Fri, 19 Apr 2024 09:11:09 +0000 (12:11 +0300)] 
xzdec: Support Landlock ABI version 4

This was added to xz in 02e3505991233901575b7eabc06b2c6c62a96899
but I forgot to do the same in xzdec.

The Landlock sandbox in xzdec could be stricter as now it's
active only for the last file being decompressed. In xz,
read-only sandbox is used for multi-file case. On the other hand,
xz doesn't go to the strictest mode when processing the last file
when more than one file was specified; xzdec does.

2 years agoliblzma: Fix incorrect function type error from sanitizer
Lasse Collin [Tue, 30 Apr 2024 19:22:45 +0000 (22:22 +0300)] 
liblzma: Fix incorrect function type error from sanitizer

Clang 17 with -fsanitize=address,undefined:

    src/liblzma/common/filter_common.c:366:8: runtime error:
        call to function encoder_find through pointer to incorrect
        function type 'const lzma_filter_coder *(*)(unsigned long)'
    src/liblzma/common/filter_encoder.c:187: note:
        encoder_find defined here

Use a wrapper function to get the correct type neatly.
This reduces the number of casts needed too.

This issue could be a problem with control flow integrity (CFI)
methods that check the function type on indirect function calls.

Fixes: 3b34851de1eaf358cf9268922fa0eeed8278d680
2 years agoxz: Avoid arithmetic on a null pointer
Lasse Collin [Tue, 30 Apr 2024 18:41:11 +0000 (21:41 +0300)] 
xz: Avoid arithmetic on a null pointer

It's undefined behavior. The result wasn't ever used as it occurred
in the last iteration of a loop.

Clang 17 with -fsanitize=address,undefined:

    $ src/xz/xz --block-list=123
    src/xz/args.c:164:12: runtime error: applying non-zero offset 1
        to null pointer

Fixes: 88ccf47205d7f3aa314d358c72ef214f10f68b43
Co-authored-by: Sam James <sam@gentoo.org>
2 years agoCMake: Support building liblzma API docs using Doxygen
Lasse Collin [Sat, 27 Apr 2024 17:42:00 +0000 (20:42 +0300)] 
CMake: Support building liblzma API docs using Doxygen

This is disabled by default to match the default in Autotools.
Use -DUSE_DOXYGEN=ON to enable Doxygen usage.

This uses the update-doxygen script, thus this is under if(UNIX)
although Doxygen itself can run on Windows too.

2 years agoCMake: List API headers in LIBLZMA_API_HEADERS variable
Lasse Collin [Sat, 20 Apr 2024 20:36:39 +0000 (23:36 +0300)] 
CMake: List API headers in LIBLZMA_API_HEADERS variable

This way the same list will be usable in more than one location.

2 years agoPACKAGERS: Document the optional Doxygen usage
Lasse Collin [Fri, 19 Apr 2024 12:16:42 +0000 (15:16 +0300)] 
PACKAGERS: Document the optional Doxygen usage

Also add a note that packagers should check the licensing
of the Doxygen output.

2 years agoBuild: Add --enable-doxygen to generate and install API docs
Lasse Collin [Sat, 27 Apr 2024 14:47:09 +0000 (17:47 +0300)] 
Build: Add --enable-doxygen to generate and install API docs

It requires Doxygen. This option is disabled by default.

2 years agoDoxygen: update-doxygen: Support out-of-tree builds
Lasse Collin [Fri, 19 Apr 2024 12:15:17 +0000 (15:15 +0300)] 
Doxygen: update-doxygen: Support out-of-tree builds

Also, now $0 is used to refer to the script itself.

2 years agoDoxygen: Simplify Doxyfile and add SPDX license identifier
Lasse Collin [Sun, 28 Apr 2024 18:08:00 +0000 (21:08 +0300)] 
Doxygen: Simplify Doxyfile and add SPDX license identifier

This omits all comments and a few non-default options that weren't
needed. Now it contains no copyrighted content from Doxygen itself.

2 years agoDoxygen: Don't strip JavaScript anymore
Lasse Collin [Fri, 19 Apr 2024 12:14:02 +0000 (15:14 +0300)] 
Doxygen: Don't strip JavaScript anymore

The stripping method worked well with Doxygen 1.8 and 1.9 but
it doesn't work with Doxygen 1.10 anymore. Since we won't ship
pre-generated liblzma API docs anymore, the extra bloat and
extra license info of the JavaScript files won't affect the
upstream source package anymore.

2 years agoBuild: Remove old Doxygen rules from top-level Makefile.am
Lasse Collin [Fri, 19 Apr 2024 14:26:41 +0000 (17:26 +0300)] 
Build: Remove old Doxygen rules from top-level Makefile.am

2 years agoUpdate COPYING to match the autogen.sh and mydist changes
Lasse Collin [Fri, 19 Apr 2024 12:10:06 +0000 (15:10 +0300)] 
Update COPYING to match the autogen.sh and mydist changes

2 years agoBuild: Don't run update-doxygen as part of "make mydist"
Lasse Collin [Fri, 19 Apr 2024 14:23:43 +0000 (17:23 +0300)] 
Build: Don't run update-doxygen as part of "make mydist"

2 years agoautogen.sh: Don't generated Doxygen docs anymore
Lasse Collin [Fri, 19 Apr 2024 12:09:48 +0000 (15:09 +0300)] 
autogen.sh: Don't generated Doxygen docs anymore

2 years agowindows/build.bash: Omit Doxygen docs from the package
Lasse Collin [Fri, 19 Apr 2024 14:41:36 +0000 (17:41 +0300)] 
windows/build.bash: Omit Doxygen docs from the package

They will be omitted from the source tarball and I don't want
to make Doxygen a dependency of build.bash.

2 years agoREADME: Don't mention PDF man pages anymore
Lasse Collin [Fri, 19 Apr 2024 11:14:47 +0000 (14:14 +0300)] 
README: Don't mention PDF man pages anymore

2 years agoBuild: Omit PDF man pages from the package
Lasse Collin [Fri, 19 Apr 2024 11:10:39 +0000 (14:10 +0300)] 
Build: Omit PDF man pages from the package

pdf-local rule was added to create the PDFs still with "make pdf".
The install rules are missing but that likely doesn't matter at all.

2 years agowindows/build.bash: Don't copy PDF man pages to the package
Lasse Collin [Fri, 19 Apr 2024 10:54:39 +0000 (13:54 +0300)] 
windows/build.bash: Don't copy PDF man pages to the package

2 years agoTests: test_index: Fix failures when features are disabled
Lasse Collin [Sat, 27 Apr 2024 22:34:50 +0000 (01:34 +0300)] 
Tests: test_index: Fix failures when features are disabled

Fixes: cd88423e76d54eb72aea037364f3ebb21f122503
2 years agoCMake: Keep the build working if the "tests" directory is missing
Lasse Collin [Sat, 20 Apr 2024 14:09:11 +0000 (17:09 +0300)] 
CMake: Keep the build working if the "tests" directory is missing

This moves the tests section as is from CMakeLists.txt into
tests/tests.cmake. CMakeLists.txt now includes tests/tests.cmake
if the latter file exists.

Now it's possible to delete the whole "tests" directory and
building with CMake will still work normally, just without
the tests. This way the tests are readily available for those
who want them, and those who won't run the tests anyway have
a straightforward way to ensure that nothing from the "tests"
directory can affect the build process.

2 years agoTests: Remove x86 and SPARC BCJ tests
Lasse Collin [Sat, 20 Apr 2024 10:12:50 +0000 (13:12 +0300)] 
Tests: Remove x86 and SPARC BCJ tests

These are very old but the exact test file isn't easy to reproduce
as it was compiled from a short C program (bcj_test.c) long ago.
These tests weren't very good anyway, just a little better than nothing.

2 years agoTests: test_index: Edit a misleading test
Lasse Collin [Sat, 27 Apr 2024 15:30:40 +0000 (18:30 +0300)] 
Tests: test_index: Edit a misleading test

2 years agoTests: test_index: Use minimal values to test integer overflow
Lasse Collin [Sat, 27 Apr 2024 13:46:01 +0000 (16:46 +0300)] 
Tests: test_index: Use minimal values to test integer overflow

2 years agoTests: test_index: Test lzma_index_buffer_decode() more
Lasse Collin [Sat, 27 Apr 2024 12:13:39 +0000 (15:13 +0300)] 
Tests: test_index: Test lzma_index_buffer_decode() more

2 years agoTests: test_index: Test that *i = NULL is done on LZMA_PROG_ERROR
Lasse Collin [Sat, 27 Apr 2024 12:08:29 +0000 (15:08 +0300)] 
Tests: test_index: Test that *i = NULL is done on LZMA_PROG_ERROR

On LZMA_DATA_ERROR from lzma_index_buffer_decode(), *i = NULL was
already done but this adds a test for that case too.

2 years agoTests: test_index: Test lzma_index_buffer_encode() with empty output buf
Lasse Collin [Sat, 27 Apr 2024 12:01:25 +0000 (15:01 +0300)] 
Tests: test_index: Test lzma_index_buffer_encode() with empty output buf

2 years agoTests: test_index: Replace if-statements with tuktest assertions
Lasse Collin [Sat, 27 Apr 2024 11:59:55 +0000 (14:59 +0300)] 
Tests: test_index: Replace if-statements with tuktest assertions

2 years agoTests: test_index: Make it clear that my_alloc() has no integer overflows
Lasse Collin [Sat, 27 Apr 2024 11:56:16 +0000 (14:56 +0300)] 
Tests: test_index: Make it clear that my_alloc() has no integer overflows

liblzma guarantees that the product of the allocation size arguments
will fit in size_t.

Putting the pre-increment in the if-statement was clearly wrong
although in practice it didn't matter here as the function is
called only a couple of times.

2 years agoTests: test_index: Verify also iter.block.number_in_stream
Lasse Collin [Sat, 27 Apr 2024 11:51:52 +0000 (14:51 +0300)] 
Tests: test_index: Verify also iter.block.number_in_stream

2 years agoTests: test_index: Check cases that aren't a multiple of 4 bytes
Lasse Collin [Sat, 27 Apr 2024 11:51:06 +0000 (14:51 +0300)] 
Tests: test_index: Check cases that aren't a multiple of 4 bytes

2 years agoTests: test_index: Edit comments and white space
Lasse Collin [Sat, 27 Apr 2024 11:40:25 +0000 (14:40 +0300)] 
Tests: test_index: Edit comments and white space

2 years agoliblzma: index_decoder: Fix missing initializations on LZMA_PROG_ERROR
Lasse Collin [Sat, 27 Apr 2024 11:33:38 +0000 (14:33 +0300)] 
liblzma: index_decoder: Fix missing initializations on LZMA_PROG_ERROR

If the arguments to lzma_index_decoder() or lzma_index_buffer_decode()
were such that LZMA_PROG_ERROR was returned, the lzma_index **i
argument wasn't touched even though the API docs say that *i = NULL
is done if an error occurs. This obviously won't be done even now
if i == NULL but otherwise it is best to do it due to the wording
in the API docs.

In practice this matters very little: The problem can occur only
if the functions are called with invalid arguments, that is,
the calling application must already have a bug.

2 years agoCMake: Bump maximum policy version to 3.29
Lasse Collin [Fri, 26 Apr 2024 15:25:18 +0000 (18:25 +0300)] 
CMake: Bump maximum policy version to 3.29

2 years agoci: add NetBSD
Sam James [Sat, 13 Apr 2024 21:30:44 +0000 (22:30 +0100)] 
ci: add NetBSD

2 years agoci: add FreeBSD
Sam James [Sat, 13 Apr 2024 22:49:26 +0000 (23:49 +0100)] 
ci: add FreeBSD

2 years agoci: add OpenBSD
Sam James [Sat, 13 Apr 2024 22:16:08 +0000 (23:16 +0100)] 
ci: add OpenBSD

2 years agoliblzma: outqueue: add header guard
Sam James [Mon, 15 Apr 2024 04:53:01 +0000 (05:53 +0100)] 
liblzma: outqueue: add header guard

Reported by github's codeql.

2 years agoliblzma: easy_preset: add header guard
Sam James [Mon, 15 Apr 2024 04:53:56 +0000 (05:53 +0100)] 
liblzma: easy_preset: add header guard

Reported by github's codeql.

2 years agotuklib_integer: Rename bswapXX to byteswapXX
Lasse Collin [Thu, 25 Apr 2024 11:00:57 +0000 (14:00 +0300)] 
tuklib_integer: Rename bswapXX to byteswapXX

The __builtin_bswapXX from GCC and Clang are preferred when
they are available. This can allow compilers to emit the x86 MOVBE
instruction instead of doing a load + byteswap as two instructions
(which would happen if the byteswapping is done in inline asm).

bswap16, bswap32, and bswap64 exist in system headers on *BSDs
and Darwin. #defining bswap16 on NetBSD results in a warning about
macro redefinition. It's safest to avoid this namespace conflict
completely.

No OS supported by tuklib_integer.h uses byteswapXX names and
a web search doesn't immediately find any obvious danger of
namespace conflicts. So let's try these still-pretty-short names
for the macros.

Thanks to Sam James for pointing out the compiler warning on
NetBSD 10.0.

2 years agoliblzma: API doc cleanups
Lasse Collin [Tue, 23 Apr 2024 22:20:26 +0000 (01:20 +0300)] 
liblzma: API doc cleanups

2 years agoTests: test_filter_str: Add a few assertions
Lasse Collin [Tue, 23 Apr 2024 13:35:33 +0000 (16:35 +0300)] 
Tests: test_filter_str: Add a few assertions

2 years agoTests: test_filter_str: Move one assertion and add a comment
Lasse Collin [Tue, 23 Apr 2024 13:35:08 +0000 (16:35 +0300)] 
Tests: test_filter_str: Move one assertion and add a comment

2 years agoTests: test_filter_str: Tweak comments and white space
Lasse Collin [Tue, 23 Apr 2024 13:26:06 +0000 (16:26 +0300)] 
Tests: test_filter_str: Tweak comments and white space

2 years agoTests: test_filter_str: Add missing RISC-V case
Lasse Collin [Tue, 23 Apr 2024 13:25:22 +0000 (16:25 +0300)] 
Tests: test_filter_str: Add missing RISC-V case

Fixes: 89ea1a22f4ed3685b053b7260bc5acf6c75d1664
2 years agoTests: test_filter_str: Test *error_pos more thoroughly
Lasse Collin [Mon, 22 Apr 2024 19:23:32 +0000 (22:23 +0300)] 
Tests: test_filter_str: Test *error_pos more thoroughly

2 years agoliblzma: lzma_str_to_filters: Set *error_pos on all errors
Lasse Collin [Mon, 22 Apr 2024 18:54:39 +0000 (21:54 +0300)] 
liblzma: lzma_str_to_filters: Set *error_pos on all errors

The API docs clearly say that if error_pos isn't NULL then *error
is always set on any error. However, it wasn't touched if str == NULL
or filters == NULL or unsupported flags were specified.

Fixes: cedeeca2ea6ada5b0411b2ae10d7a859e837f203
2 years agoliblzma: Clean up white space
Lasse Collin [Mon, 22 Apr 2024 17:31:25 +0000 (20:31 +0300)] 
liblzma: Clean up white space

2 years agoTests: test_filter_flags: Edit comments and style
Lasse Collin [Mon, 22 Apr 2024 15:35:19 +0000 (18:35 +0300)] 
Tests: test_filter_flags: Edit comments and style

2 years agoTests: Fix C99/C11 compatibility when features are disabled
Lasse Collin [Mon, 22 Apr 2024 13:39:44 +0000 (16:39 +0300)] 
Tests: Fix C99/C11 compatibility when features are disabled

The array could become empty and then the initializer would be
simply {} which is allowed only in GNU-C and C23.

2 years agoDOS: Omit useless defines from config.h
Lasse Collin [Sun, 21 Apr 2024 17:32:16 +0000 (20:32 +0300)] 
DOS: Omit useless defines from config.h

2 years agoBuild: Omit useless checks for fcntl.h, limits.h, and sys/time.h
Lasse Collin [Sun, 21 Apr 2024 17:27:50 +0000 (20:27 +0300)] 
Build: Omit useless checks for fcntl.h, limits.h, and sys/time.h

2 years agoliblzma: Silence a warning from Coverity static analysis
Lasse Collin [Fri, 19 Apr 2024 19:04:21 +0000 (22:04 +0300)] 
liblzma: Silence a warning from Coverity static analysis

It is logical why it cannot know for sure that the value has
to be at most 4 if it is less than 16.

The x86 filter is based on a very old LZMA SDK version. Newer
ones have quite a different implementation for the same filter.

Thanks to Sam James.

2 years agoUpdate .gitignore
Lasse Collin [Fri, 19 Apr 2024 20:18:19 +0000 (23:18 +0300)] 
Update .gitignore

2 years agoTests: test_lzip_decoder: Tweak coding style and comments
Lasse Collin [Fri, 19 Apr 2024 17:53:24 +0000 (20:53 +0300)] 
Tests: test_lzip_decoder: Tweak coding style and comments

2 years agoTests: test_lzip_decoder: Remove redundant initializations
Lasse Collin [Fri, 19 Apr 2024 17:51:36 +0000 (20:51 +0300)] 
Tests: test_lzip_decoder: Remove redundant initializations

2 years agoTests: test_lzip_decoder: Remove unneeded tuktest_malloc() calls
Lasse Collin [Fri, 19 Apr 2024 17:47:24 +0000 (20:47 +0300)] 
Tests: test_lzip_decoder: Remove unneeded tuktest_malloc() calls

2 years agoxz: Fix white space error.
Lasse Collin [Mon, 15 Apr 2024 17:35:07 +0000 (20:35 +0300)] 
xz: Fix white space error.

Thanks to xx on #tukaani.

2 years agoxz: add missing noreturn for message_filters_help
Sam James [Thu, 11 Apr 2024 22:01:44 +0000 (23:01 +0100)] 
xz: add missing noreturn for message_filters_help

Fixes: a165d7df1964121eb9df715e6f836a31c865beef
2 years agoxz: signals: suppress -Wsign-conversion on macOS
Sam James [Thu, 11 Apr 2024 18:34:04 +0000 (19:34 +0100)] 
xz: signals: suppress -Wsign-conversion on macOS

On macOS, we get:
```
signals.c: In function 'signals_init':
signals.c:76:17: error: conversion to 'sigset_t' {aka 'unsigned int'} from 'int' may change the sign of the result [-Werror=sign-conversion]
   76 |                 sigaddset(&hooked_signals, sigs[i]);
      |                 ^~~~~~~~~
signals.c:81:17: error: conversion to 'sigset_t' {aka 'unsigned int'} from 'int' may change the sign of the result [-Werror=sign-conversion]
   81 |                 sigaddset(&hooked_signals, message_progress_sigs[i]);
      |                 ^~~~~~~~~
signals.c:86:9: error: conversion to 'sigset_t' {aka 'unsigned int'} from 'int' may change the sign of the result [-Werror=sign-conversion]
   86 |         sigaddset(&hooked_signals, SIGTSTP);
      |         ^~~~~~~~~
```

We use `int` for `hooked_signals` but we can't just cast to whatever
`sigset_t` is because `sigset_t` is an opaque type. It's an unsigned int
on macOS. On macOS, `sigaddset` is implemented as a macro.

Just suppress -Wsign-conversion for `signals_init` for macOS given
there's no real nice way of fixing this.

2 years agoTests: test_microlzma: Add a "FIXME?" about LZMA_FINISH handling
Lasse Collin [Sat, 13 Apr 2024 19:19:40 +0000 (22:19 +0300)] 
Tests: test_microlzma: Add a "FIXME?" about LZMA_FINISH handling

2 years agoTests: test_microlzma: Tweak comments, coding style, and minor details
Lasse Collin [Sat, 13 Apr 2024 15:05:31 +0000 (18:05 +0300)] 
Tests: test_microlzma: Tweak comments, coding style, and minor details

A few lines were reordered, a few ARRAY_SIZE were changed to sizeof,
and a few uint32_t were changed to size_t. No real functional changes
were intended.

2 years agoCI: Use only the active CPUs on macOS 108/head
Ryan Carsten Schmidt [Sat, 13 Apr 2024 00:31:13 +0000 (19:31 -0500)] 
CI: Use only the active CPUs on macOS

hw.ncpu counts all CPUs including inactive ones. hw.activecpu counts
only the active CPUs.

2 years agoci: rename ci_build.sh -> ci_build.bash
Sam James [Wed, 10 Apr 2024 17:33:55 +0000 (18:33 +0100)] 
ci: rename ci_build.sh -> ci_build.bash

We discussed the name and it's less cognitive load to just call it '.bash'
so you don't have an immediate question about if bashisms are OK.

2 years agoci: build in parallel by default
Sam James [Wed, 10 Apr 2024 16:42:23 +0000 (17:42 +0100)] 
ci: build in parallel by default

2 years agoci: default to -O2
Sam James [Wed, 10 Apr 2024 14:41:08 +0000 (15:41 +0100)] 
ci: default to -O2

We need this for when we're passing sanitizer flags or -gdwarf-4 for Clang
with Valgrind. Just always start with -O2 if CFLAGS isn't set in the
environment and append what was passed on the command line.

2 years agoci: make automake's test runner verbose on failures
Sam James [Wed, 10 Apr 2024 14:17:47 +0000 (15:17 +0100)] 
ci: make automake's test runner verbose on failures

This is a lot easier to work with than the save-logs thing the action
tries to do...

2 years agoci: make UBSAN abort on errors
Sam James [Wed, 10 Apr 2024 11:38:51 +0000 (12:38 +0100)] 
ci: make UBSAN abort on errors

Unfortunately, UBSAN doesn't do this by default. See also the change
I made in Meson for this in October [0].

[0] https://github.com/mesonbuild/meson/commit/7b7d2e060b447de9c2642848847370a58711ac1c

2 years agoci: test Valgrind
Sam James [Wed, 10 Apr 2024 10:43:10 +0000 (11:43 +0100)] 
ci: test Valgrind

Using `--trace-children=yes` has a trade-off here, as it makes
`test_scripts.sh` pretty slow when calling various non-xz utilities.

But I also feel like it's not useless to have Valgrind used there and it's
not easy to exclude Valgrind just for that one test...

I did consider using AX_VALGRIND_CHECK [0][1] but I couldn't get it working
immediately with some conditionally-built tests and I wondered if it was
worth spending time on at least while we're debating xz's future build
system situation.

[0] https://www.gnu.org/software/autoconf-archive/ax_valgrind_check.html
[1] https://tecnocode.co.uk/2014/12/23/automatically-valgrinding-code-with-ax_valgrind_check/

2 years agoliblzma: CRC: Simplify table omission macros
Lasse Collin [Wed, 10 Apr 2024 20:20:02 +0000 (23:20 +0300)] 
liblzma: CRC: Simplify table omission macros

A macro is useful to prevent a single #if directive from
getting too ugly but only one macro is needed for all archs.

2 years agoliblzma: ARM64 CRC: Fix omission of CRC32 table
Lasse Collin [Wed, 10 Apr 2024 20:09:40 +0000 (23:09 +0300)] 
liblzma: ARM64 CRC: Fix omission of CRC32 table

The macro name had an odd typo so the table wasn't omitted
when it should have.

Fixes: 1940f0ec28f08c0ac72c1413d9706fb82eabe6ad
2 years agoBuild: If ARM64 feature detection func is found, stop looking for others
Lasse Collin [Wed, 10 Apr 2024 19:21:51 +0000 (22:21 +0300)] 
Build: If ARM64 feature detection func is found, stop looking for others

This can speed up configure a tiny bit.

Fixes: c5f6d79cc9515a7f22d7ea4860c6cc394b295732
2 years agoliblzma: ARM64 CRC32: Change style of the macOS code to match FreeBSD
Lasse Collin [Wed, 10 Apr 2024 19:04:27 +0000 (22:04 +0300)] 
liblzma: ARM64 CRC32: Change style of the macOS code to match FreeBSD

I didn't test this but it shouldn't change any functionality.

Fixes: 761f5b69a4c778c8bcb09279b845b07c28790575
2 years agoliblzma: ARM64 CRC32: Add error checking to FreeBSD-specific code
Lasse Collin [Wed, 10 Apr 2024 18:59:27 +0000 (21:59 +0300)] 
liblzma: ARM64 CRC32: Add error checking to FreeBSD-specific code

Also add parenthesis to the return statement.

I didn't test this.

Fixes: 761f5b69a4c778c8bcb09279b845b07c28790575
2 years agoliblzma: ARM64 CRC32: Use negation instead of subtracting from 8
Lasse Collin [Wed, 10 Apr 2024 18:56:33 +0000 (21:56 +0300)] 
liblzma: ARM64 CRC32: Use negation instead of subtracting from 8

Subtracting from 0 is negation, this just keeps warnings away.

Fixes: 761f5b69a4c778c8bcb09279b845b07c28790575
2 years agoliblzma: ARM64 CRC32: Tweak coding style and comments
Lasse Collin [Wed, 10 Apr 2024 18:55:10 +0000 (21:55 +0300)] 
liblzma: ARM64 CRC32: Tweak coding style and comments

2 years agoUpdate SECURITY.md.
Lasse Collin [Tue, 9 Apr 2024 18:55:01 +0000 (21:55 +0300)] 
Update SECURITY.md.

2 years agoCI: Remove ifunc support.
Lasse Collin [Tue, 9 Apr 2024 14:47:01 +0000 (17:47 +0300)] 
CI: Remove ifunc support.

2 years agoliblzma: Remove ifunc support.
Lasse Collin [Tue, 9 Apr 2024 14:43:16 +0000 (17:43 +0300)] 
liblzma: Remove ifunc support.

This is *NOT* done for security reasons even though the backdoor
relied on the ifunc code. Instead, the reason is that in this
project ifunc provides little benefits but it's quite a bit of
extra code to support it. The only case where ifunc *might* matter
for performance is if the CRC functions are used directly by an
application. In normal compression use it's completely irrelevant.

2 years agotests/files/README: Update the main heading.
Lasse Collin [Mon, 8 Apr 2024 19:04:41 +0000 (22:04 +0300)] 
tests/files/README: Update the main heading.