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Update NEWS for 5.2.5.
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Lasse Collin
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NEWS
105
NEWS
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@ -13,6 +13,111 @@ XZ Utils Release Notes
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(FreeBSD >= 10).
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(FreeBSD >= 10).
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5.2.5 (2020-03-17)
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* liblzma:
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- Fixed several C99/C11 conformance bugs. Now the code is clean
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under gcc/clang -fsanitize=undefined. Some of these changes
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might have a negative effect on performance with old GCC
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versions or compilers other than GCC and Clang. The configure
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option --enable-unsafe-type-punning can be used to (mostly)
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restore the old behavior but it shouldn't normally be used.
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- Improved API documentation of lzma_properties_decode().
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- Added a very minor encoder speed optimization.
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* xz:
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- Fixed a crash in "xz -dcfv not_an_xz_file". All four options
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were required to trigger it. The crash occurred in the
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progress indicator code when xz was in passthru mode where
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xz works like "cat".
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- Fixed an integer overflow with 32-bit off_t. It could happen
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when decompressing a file that has a long run of zero bytes
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which xz would try to write as a sparse file. Since the build
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system enables large file support by default, off_t is
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normally 64-bit even on 32-bit systems.
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- Fixes for --flush-timeout:
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* Fix semi-busy-waiting.
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* Avoid unneeded flushes when no new input has arrived
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since the previous flush was completed.
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- Added a special case for 32-bit xz: If --memlimit-compress is
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used to specify a limit that exceeds 4020 MiB, the limit will
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be set to 4020 MiB. The values "0" and "max" aren't affected
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by this and neither is decompression. This hack can be
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helpful when a 32-bit xz has access to 4 GiB address space
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but the specified memlimit exceeds 4 GiB. This can happen
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e.g. with some scripts.
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- Capsicum sandbox is now enabled by default where available
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(FreeBSD >= 10). The sandbox debug messages (xz -vv) were
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removed since they seemed to be more annoying than useful.
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- DOS build now requires DJGPP 2.05 instead of 2.04beta.
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A workaround for a locale problem with DJGPP 2.05 was added.
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* xzgrep and other scripts:
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- Added a configure option --enable-path-for-scripts=PREFIX.
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It is disabled by default except on Solaris where the default
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is /usr/xpg4/bin. See INSTALL for details.
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- Added a workaround for a POSIX shell detection problem on
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Solaris.
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* Build systems:
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- Added preliminary build instructions for z/OS. See INSTALL
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section 1.2.9.
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- Experimental CMake support was added. It should work to build
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static liblzma on a few operating systems. It may or may not
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work to build shared liblzma. On some platforms it can build
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xz and xzdec too but those are only for testing. See the
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comment in the beginning of CMakeLists.txt for details.
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- Visual Studio project files were updated.
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WindowsTargetPlatformVersion was removed from VS2017 files
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and set to "10.0" in the added VS2019 files. In the future
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the VS project files will be removed when CMake support is
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good enough.
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- New #defines in config.h: HAVE___BUILTIN_ASSUME_ALIGNED,
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HAVE___BUILTIN_BSWAPXX, and TUKLIB_USE_UNSAFE_TYPE_PUNNING.
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- autogen.sh has a new optional dependency on po4a and a new
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option --no-po4a to skip that step. This matters only if one
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wants to remake the build files. po4a is used to update the
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translated man pages but as long as the man pages haven't
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been modified, there's nothing to update and one can use
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--no-po4a to avoid the dependency on po4a.
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* Translations:
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- XZ Utils translations are now handled by the Translation
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Project: https://translationproject.org/domain/xz.html
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- All man pages are now included in German too.
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- New xz translations: Brazilian Portuguese, Finnish,
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Hungarian, Chinese (simplified), Chinese (traditional),
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and Danish (partial translation)
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- Updated xz translations: French, German, Italian, and Polish
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- Unfortunately a few new xz translations weren't included due
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to technical problems like too long lines in --help output or
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misaligned column headings in tables. In the future, many of
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these strings will be split and e.g. the table column
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alignment will be handled in software. This should make the
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strings easier to translate.
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5.2.4 (2018-04-29)
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5.2.4 (2018-04-29)
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* liblzma:
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* liblzma:
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