Age | Commit message (Collapse) | Author | Files | Lines |
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It printed the filename in "filename (x/y)" format
which it obviously shouldn't do in robot mode.
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Also hyphenate several compound adjectives.
Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
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This way xz should work on 386SX and 486SX. Floating point
only is needed for verbose output in xz.
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When grepping binary files, grep may exit before it has
read all the input. In this case, gzip -q returns 2 (eating
SIGPIPE), but xz and bzip2 show SIGPIPE as the exit status
(e.g. 141). This causes wrong exit status when grepping
xz- or bzip2-compressed binary files.
The fix checks for the special exit status that indicates SIGPIPE.
It uses kill -l which should be supported everywhere since it
is in both SUSv2 (1997) and POSIX.1-2008.
Thanks to James Buren for the bug report.
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It was renamed to ax_pthread.m4 in Autoconf Archive.
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Reported here:
http://sourceforge.net/projects/lzmautils/forums/forum/708858/topic/4927385
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Thanks to Bela Lubkin.
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Thanks to Chris Donawa.
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The scripts are now made executable in the build tree.
This way the scripts can be run like programs in
test_scripts.sh. Previously test_scripts.sh always
used sh but it's not correct if @POSIX_SHELL@ is set
to something else by configure.
Thanks to Jonathan Nieder for the patch.
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xzdiff was clobbering the exit status from diff in a case
statement used to analyze the exit statuses from "xz" when
its operands were two compressed files. Save and restore
diff's exit status to fix this.
The bug is inherited from zdiff in GNU gzip and was fixed
there on 2009-10-09.
Thanks to Jonathan Nieder for the patch and
to Peter Pallinger for reporting the bug.
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Thanks to Jim Meyering.
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Thanks to Milo Casagrande.
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It could do an invalid free() and read past the end
of the uninitialized filters array.
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Thanks to Jim Meyering.
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It is known that the BCJ filter --help text is only
partially translated.
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French needs a space before a colon, e.g. "xz : foo error".
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This doesn't matter much in practice since it is unlikely
that anyone would have such environment variable names.
Thanks to Wim Lewis.
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Reported-by: Diego Elio Pettenò <flameeyes@gentoo.org>
Signed-off-by: Martin Väth <vaeth@mathematik.uni-wuerzburg.de>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Spot candidates by running these commands:
git ls-files |xargs perl -0777 -n \
-e 'while (/\b(then?|[iao]n|i[fst]|but|f?or|at|and|[dt]o)\s+\1\b/gims)' \
-e '{$n=($` =~ tr/\n/\n/ + 1); ($v=$&)=~s/\n/\\n/g; print "$ARGV:$n:$v\n"}'
Thanks to Jim Meyering for the original patch.
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It didn't mention the return value that is used if
an error occurs.
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Empty Block was created if the input buffer was empty.
Empty Block wastes a few bytes of space, but more importantly
it triggers a bug in XZ Utils 5.0.1 and older when trying
to decompress such a file. 5.0.1 and older consider such
files to be corrupt. I thought that no encoder creates empty
Blocks when releasing 5.0.2 but I was wrong.
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This return value was missing from the API comments of
four functions.
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The biggest problem was that the integrity check type
wasn't validated, and e.g. lzma_easy_buffer_encode()
would create a corrupt .xz Stream if given an unsupported
Check ID. Luckily applications don't usually try to use
an unsupport Check ID, so this bug is unlikely to cause
many real-world problems.
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Passing --disable-decoders to configure broke a few
encoders due to missing #ifdefs in filter_common.c.
Thanks to Jason Gorski for the patch.
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It leaks old filter options structures (hundred bytes or so)
every time the lzma_stream is reinitialized. With the xz tool,
this happens when compressing multiple files.
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The decoder considered empty LZMA2 streams to be corrupt.
This shouldn't matter much with .xz files, because no encoder
creates empty LZMA2 streams in .xz. This bug is more likely
to cause problems in applications that use raw LZMA2 streams.
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Now it uses "grep -q".
Thanks to Gregory Margo.
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It didn't work at all. It tried to use the -q option
for grep, but it appended it after "--". This works
around it by redirecting to /dev/null. The downside
is that this can be slower with big files compared
to proper use of "grep -q".
Thanks to Gregory Margo.
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struct suffix_pair isn't needed in compresed_name()
so get rid of it there.
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Now "xz -S .test foo.test" refuses to compress the
file because it already has the suffix .test. The man
page had it documented this way already.
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Thanks to Jakub Bogusz.
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xz didn't compress setuid/setgid/sticky files and files
with multiple hard links even with --force. This bug was
introduced in 23ac2c44c3ac76994825adb7f9a8f719f78b5ee4.
Thanks to Charles Wilson.
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Thanks to Cristian Rodríguez for the original patch.
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This fixes portability to systems that lack C99 inttypes.h.
Thanks to Juan Manuel Guerrero.
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Juan Manuel Guerrero had fixed this in his XZ Utils port
to DOS/DJGPP. The bug affects also Windows and OS/2.
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Thanks to Petr Hubený and Marek Černocký.
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Currently the file list generated by Doxygen has src/ at the
beginning of each path. Paths like common/sysdefs.h and
liblzma/api/lzma.h are easier to read without such a prefix.
Builds from a separate build directory with
mkdir build
cd build
../configure
doxygen Doxyfile
include an even longer prefix /home/someone/src/xz/src; this
patch has the nice side-effect of eliminating that prefix, too.
Fixes: http://bugs.debian.org/572273
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The example programs by Daniel Mealha Cabrita were included
in the git repository, but I had forgot to add them to
Makefile.am. Thus, they didn't get included in the source
package at all by "make dist".
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If any of the reserved members in lzma_stream are non-zero
or non-NULL, LZMA_OPTIONS_ERROR is returned. It is possible
that a new feature in the future is indicated by just setting
a reserved member to some other value, so the old liblzma
version need to catch it as an unsupported feature.
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The non-standard ones from msvcrt.dll appear to work
most of the time with XZ Utils, but there are some
corner cases where things may go very wrong. So it's
good to use the better replacements provided by
MinGW(-w64) runtime.
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This lets compiler use shifting instead of 64-bit division.
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Adding support for LZMA_FINISH for Index encoding and
decoding needed tiny additions to the relevant .c files too.
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lzma_chunk_size() was commented out because it is
currently useless.
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This is similar to DOS/DJGPP that killing the program
with a signal will print a backtrace or a similar message.
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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.
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For some reason this prevented running the test only
on OS/2 and even on that it broke only recently.
Thanks to Elbert Pol.
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Calling raise() to kill xz when user has pressed C-c
is a bit verbose on OS/2 and DOS/DJGPP. Instead of
calling raise(), set only the exit status to 1.
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This is now simpler and builds only xz.exe.
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This is simply for licensing reasons. The 64-bit version
will be built with MinGW-w64 anyway (at least for now),
so using it also for 32-bit build allows using the same
copyright notice about the MinGW-w64/w32 runtime.
Note that using MinGW would require a copyright notice too,
because its runtime is not in the public domain either even
though MinGW's home page claims that it is public domain.
See <http://marc.info/?l=mingw-users&m=126489506214078>.
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Also, put README-Windows.txt to the doc directory like
the other documentation files.
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630a8beda34af0ac153c8051b1bf01230558e422 wasn't good.
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Those are the same thing, and the former makes it a bit
easier to build the code with other build systems, because
one doesn't need to update the version number into custom
config.h.
This change affects only lzmainfo. Other tools were already
using LZMA_VERSION_STRING.
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Most distros want xz linked against shared liblzma, so
it doesn't help much to require --enable-dynamic for that.
Those who want to avoid PIC on x86-32 to get better
performance, can still do it e.g. by using --disable-shared
to compile xz and then another pass to compile shared liblzma.
Part of these static/dynamic tricks were needed for Windows
in the past. Nowadays we rely on GCC and binutils to do the
right thing with auto-import. If the Autotooled build system
needs to support some other toolchain on Windows in the future,
this may need some rethinking.
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Thanks to Jonathan Nieder.
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Lots of content was updated on the xz man page.
Technical improvements:
- Start a new sentence on a new line.
- Use fairly short lines.
- Use constant-width font for examples (where supported).
- Some minor cleanups.
Thanks to Jonathan Nieder for some language fixes.
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depth=0 was missing.
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translations.bash prints some messages from xz, which
hopefully makes it a bit easier to test translations.
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Thanks to Marek Černocký.
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Thanks to Milo Casagrande and Lorenzo De Liso.
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Thanks to Andre Noll.
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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.
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Thanks to Marek Černocký.
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I had somehow thought that N_() is usually used
as shorthand for ngettext().
This also fixes a missing \n from a call to ngettext().
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Thanks to Joerg Sonnenberger.
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Thanks Joerg Sonnenberger.
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This should reduce the cases where --extreme makes
compression worse. On the other hand, some other
files may now benefit slightly less from --extreme.
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Testing compression at level -4 now requires 48 MiB of free store at
compression time and 5 MiB at decompression time.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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"Extreme" mode might need some further tweaking still.
Docs were not updated yet.
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It was 8 + nice_len / 4, now it is 4 + nice_len / 4.
This allows faster settings at lower nice_len values,
even though it seems that I won't use automatic depth
calcuation with HC3 and HC4 in the presets.
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At least for now, the --help option doesn't list any
options that take arguments, so "Mandatory arguments to..."
can be omitted.
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This is more logical behavior than ignoring preset level
options once a custom filter chain has been specified.
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It broke when --memory option was removed from xzdec.
Thanks to Jonathan Nieder.
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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.
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Thanks to A. Costa and Jonathan Nieder.
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Hopefully these help a bit when learning the basics
of liblzma API. I plan to write detailed examples about
both basic and advanced features with lots of comments,
but these two examples are good have right now.
The examples were written by Daniel Mealha Cabrita. Thanks.
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Thanks to Denis Excoffier.
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Thanks to Denis Excoffier for the bug report.
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When using -O2 with GCC, it liked to swap two comparisons
in one "if" statement. It's otherwise fine except that
the latter part, which is seemingly never executed, got
executed (nothing wrong with that) and then triggered
warning in Valgrind about conditional jump depending on
uninitialized variable. A few people find this annoying
so do things a bit differently to avoid the warning.
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I want to get a bug report if something else than
DJGPP lacks SA_RESTART.
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- Concatenating .xz files and padding
- List mode
- Robot mode
- A few examples (but many more are needed)
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This change is no-op, but good to have just in case
for the future.
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Thanks to Jonathan Nieder.
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Thanks to Jonathan Nieder for the reminder.
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This should have been done in
920a69a8d8e4203c5edddd829d932130eac188ea.
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This should avoid some minor portability issues.
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The spec isn't finished and the code didn't compile anymore.
It won't be included in XZ Utils 5.0.0. It's easy to get it
back once the spec is done.
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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.
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It isn't really useful so omitting it makes things
shorter and slightly more readable.
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Don't use #error to generate compile error, because some
compilers actually don't take it as an error. This fixes
tuklib_physmem on IRIX.
Fix incorrect error check for sysconf() return values.
Add AIX, HP-UX, and Tru64 specific code to detect the
amount RAM.
Add HP-UX specific code to detect the number of CPU cores.
Thanks a lot to Peter O'Gorman for initial patches,
testing, and debugging these fixes.
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The extra space for showing both has been taken from the
sizes field. If the sizes grow big, bigger units than MiB
will be used. It makes it slightly difficult to see that
progress is still happening with huge files, but it should
be OK in practice.
Thanks to Trent W. Buck for <http://bugs.debian.org/574583>
and Jonathan Nieder for suggestions how to fix it.
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Thanks to Gilles Espinasse.
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Thanks to someone who reported the bug on IRC.
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Originally both base-2 and base-10 were supported, but since
there seems to be little need for base-10 in XZ Utils, treat
everything as base-2 and also be more relaxed about the case
of the first letter of the suffix. Now xz will accept e.g.
KiB, Ki, k, K, kB, and KB, and interpret them all as 1024. The
recommended spelling of the suffixes are still KiB, MiB, and GiB.
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It still feels a bit wrong to round 1 byte to 1 MiB but
at least it is now done consistently so that the same
byte value is always rounded the same way to MiB.
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This is to allow files created with "xz -9" to be decompressed
if the amount of RAM cannot be determined.
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Previously the default limit was always 40 % of RAM. The
new limit is a little bit more complex:
- If 40 % of RAM is at least 80 MiB, 40 % of RAM is used
as the limit.
- If 80 % of RAM is over 80 MiB, 80 MiB is used as the limit.
- Otherwise 80 % of RAM is used as the limit.
This should make it possible to decompress files created with
"xz -9" on more systems. Swapping is generally more expected
on systems with less RAM, so higher default limit on them
shouldn't cause too bad surprises in terms of heavy swapping.
Instead, the higher default limit should reduce the number of
bad surprises when it used to prevent decompression of files
created with "xz -9". The DoS prevention system shouldn't be
a DoS itself.
Note that even with the new default limit, a system with 64 MiB
RAM cannot decompress files created with "xz -9" without user
overriding the limit. This should be OK, because if xz is going
to need more memory than the system has RAM, it will run very
very slowly and thus it's good that user has to override the limit
in that case.
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With bad luck, lzma_code() could return LZMA_BUF_ERROR
when it shouldn't.
This has been here since the early days of liblzma.
It got triggered by the modifications made to the xz
tool in commit 18c10c30d2833f394cd7bce0e6a821044b15832f
but only when decompressing .lzma files. Somehow I managed
to miss testing that with Valgrind earlier.
This fixes <http://bugs.gentoo.org/show_bug.cgi?id=305591>.
Thanks to Rafał Mużyło for helping to debug it on IRC.
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Thanks to Jonathan Nieder.
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