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2013-07-04xz: Move some of the timing code into mytime.[hc].Lasse Collin6-40/+158
This switches units from microseconds to milliseconds. New clock_gettime(CLOCK_MONOTONIC) will be used if available. There is still a fallback to gettimeofday().
2013-07-01xz: Silence a warning seen with _FORTIFY_SOURCE=2.Lasse Collin1-1/+7
Thanks to Christian Hesse.
2013-06-30Man pages: Use similar syntax for synopsis as in xz.Lasse Collin3-10/+10
The man pages of lzmainfo, xzmore, and xzdec had similar constructs as the man page of xz had before the commit eb6ca9854b8eb9fbf72497c1cf608d6b19d2d494. Eric S. Raymond didn't mention these man pages in his bug report, but it's nice to be consistent.
2013-06-29xz: Use non-blocking I/O for the output file.Lasse Collin1-8/+49
Now both reading and writing should be without race conditions with signals. They might still be signal handling issues left. Signals are blocked during many operations to avoid EINTR but it may cause problems e.g. if writing to stderr blocks when trying to display an error message.
2013-06-28xz: Fix return value type in io_write_buf().Lasse Collin1-1/+1
It didn't affect the behavior of the code since -1 becomes true anyway.
2013-06-28xz: Use the self-pipe trick to avoid a race condition with signals.Lasse Collin3-12/+57
It is possible that a signal to set user_abort arrives right before a blocking system call is made. In this case the call may block until another signal arrives, while the wanted behavior is to make xz clean up and exit as soon as possible. After this commit, the race condition is avoided with the input side which already uses non-blocking I/O. The output side still uses blocking I/O and thus has the race condition.
2013-06-28xz: Use non-blocking I/O for the input file.Lasse Collin1-45/+111
2013-06-28xz: Remove an outdated NetBSD-specific comment.Lasse Collin1-4/+0
Nowadays errno == EFTYPE is documented in open(2).
2013-06-28xz: Fix error detection of fcntl(fd, F_SETFL, flags) calls.Lasse Collin1-4/+4
POSIX says that fcntl(fd, F_SETFL, flags) returns -1 on error and "other than -1" on success. This is how it is documented e.g. on OpenBSD too. On Linux, success with F_SETFL is always 0 (at least accorinding to fcntl(2) from man-pages 3.51).
2013-06-28xz: Fix use of wrong variable in a fcntl() call.Lasse Collin1-11/+13
Due to a wrong variable name, when writing a sparse file to standard output, *all* file status flags were cleared (to the extent the operating system allowed it) instead of only clearing the O_APPEND flag. In practice this worked fine in the common situations on GNU/Linux, but I didn't check how it behaved elsewhere. The original flags were still restored correctly. I still changed the code to use a separate boolean variable to indicate when the flags should be restored instead of relying on a special value in stdout_flags.
2013-06-28xz: Fix assertion related to posix_fadvise().Lasse Collin1-8/+2
Input file can be a FIFO or something else that doesn't support posix_fadvise() so don't check the return value even with an assertion. Nothing bad happens if the call to posix_fadvise() fails.
2013-06-26xz: Check the value of lzma_stream_flags.version in --list.Lasse Collin1-0/+14
It is a no-op for now, but if an old xz version is used together with a newer liblzma that supports something new, then this check becomes important and will stop the old xz from trying to parse files that it won't understand.
2013-06-23liblzma: Avoid a warning about a shadowed variable.Lasse Collin1-2/+2
On Mac OS X wait() is declared in <sys/wait.h> that we include one way or other so don't use "wait" as a variable name. Thanks to Christian Kujau.
2013-06-23xz: Validate Uncompressed Size from Block Header in list.c.Lasse Collin1-1/+13
This affects only "xz -lvv". Normal decompression with xz already detected if Block Header and Index had mismatched Uncompressed Size fields. So this just makes "xz -lvv" show such files as corrupt instead of showing the Uncompressed Size from Index.
2013-06-21xz: Make the man page more friendly to doclifter.Lasse Collin1-3/+4
Thanks to Eric S. Raymond.
2013-06-21xz: A couple of man page fixes.Lasse Collin1-12/+23
Now the interaction of presets and custom filter chains is described correctly. Earlier it contradicted itself. Thanks to DevHC who reported these issues on IRC to me on 2012-12-14.
2013-06-21xz: Fix interaction between preset and custom filter chains.Lasse Collin1-14/+21
There was somewhat illogical behavior when --extreme was specified and mixed with custom filter chains. Before this commit, "xz -9 --lzma2 -e" was equivalent to "xz --lzma2". After it is equivalent to "xz -6e" (all earlier preset options get forgotten when a custom filter chain is specified and the default preset is 6 to which -e is applied). I find this less illogical. This also affects the meaning of "xz -9e --lzma2 -7". Earlier it was equivalent to "xz -7e" (the -e specified before a custom filter chain wasn't forgotten). Now it is "xz -7". Note that "xz -7e" still is the same as "xz -e7". Hopefully very few cared about this in the first place, so pretty much no one should even notice this change. Thanks to Conley Moorhous.
2013-04-15xzdec: Improve the --help message.Lasse Collin1-5/+5
The options are now ordered in the same order as in xz's help message. Descriptions were added to the options that are ignored. I left them in parenthesis even if it looks a bit weird because I find it easier to spot the ignored vs. non-ignored options from the list that way.
2013-04-05xzgrep: make the '-h' option to be --no-filename equivalentJeff Bastian1-1/+1
* src/scripts/xzgrep.in: Accept the '-h' option in argument parsing.
2013-03-23liblzma: Be less picky in lzma_alone_decoder().Lasse Collin3-11/+18
To avoid false positives when detecting .lzma files, rare values in dictionary size and uncompressed size fields were rejected. They will still be rejected if .lzma files are decoded with lzma_auto_decoder(), but when using lzma_alone_decoder() directly, such files will now be accepted. Hopefully this is an OK compromise. This doesn't affect xz because xz still has its own file format detection code. This does affect lzmadec though. So after this commit lzmadec will accept files that xz or xz-emulating-lzma doesn't. NOTE: lzma_alone_decoder() still won't decode all .lzma files because liblzma's LZMA decoder doesn't support lc + lp > 4. Reported here: http://sourceforge.net/projects/lzmautils/forums/forum/708858/topic/7068827
2013-03-23liblzma: Use lzma_block_buffer_bound64() in threaded encoder.Lasse Collin1-16/+50
Now it uses lzma_block_uncomp_encode() if the data doesn't fit into the space calculated by lzma_block_buffer_bound64().
2013-03-23liblzma: Fix another deadlock in the threaded encoder.Lasse Collin1-3/+6
This race condition could cause a deadlock if lzma_end() was called before finishing the encoding. This can happen with xz with debugging enabled (non-debugging version doesn't call lzma_end() before exiting).
2013-03-23liblzma: Add lzma_block_uncomp_encode().Lasse Collin4-31/+106
This also adds a new internal function lzma_block_buffer_bound64() which is similar to lzma_block_buffer_bound() but uses uint64_t instead of size_t.
2013-03-05Avoid unneeded use of awk in xzless.Lasse Collin1-2/+1
Use "read" instead of "awk" in xzless to get the version number of "less". The need for awk was introduced in the commit db5c1817fabf7cbb9e4087b1576eb26f0747338e. Thanks to Ariel P for the patch.
2012-12-14Make the progress indicator smooth in threaded mode.Lasse Collin6-13/+129
This adds lzma_get_progress() to liblzma and takes advantage of it in xz. lzma_get_progress() collects progress information from the thread-specific structures so that fairly accurate progress information is available to applications. Adding a new function seemed to be a better way than making the information directly available in lzma_stream (like total_in and total_out are) because collecting the information requires locking mutexes. It's waste of time to do it more often than the up to date information is actually needed by an application.
2012-12-14liblzma: Fix mythread_sync for nested locking.Lasse Collin1-2/+3
2012-12-13xz: Mention --threads in --help.Lasse Collin1-0/+4
Thanks to Olivier Delhomme for pointing out that this was still missing.
2012-11-21xzless: Make "less -V" parsing more robustJonathan Nieder1-1/+2
In v4.999.9beta~30 (xzless: Support compressed standard input, 2009-08-09), xzless learned to parse ‘less -V’ output to figure out whether less is new enough to handle $LESSOPEN settings starting with “|-”. That worked well for a while, but the version string from ‘less’ versions 448 (June, 2012) is misparsed, producing a warning: $ xzless /tmp/test.xz; echo $? /usr/bin/xzless: line 49: test: 456 (GNU regular expressions): \ integer expression expected 0 More precisely, modern ‘less’ lists the regexp implementation along with its version number, and xzless passes the entire version number with attached parenthetical phrase as a number to "test $a -gt $b", producing the above confusing message. $ less-444 -V | head -1 less 444 $ less -V | head -1 less 456 (no regular expressions) So relax the pattern matched --- instead of expecting "less <number>", look for a line of the form "less <number>[ (extra parenthetical)]". While at it, improve the behavior when no matching line is found --- instead of producing a cryptic message, we can fall back on a LESSPIPE setting that is supported by all versions of ‘less’. The implementation uses "awk" for simplicity. Hopefully that’s portable enough. Reported-by: Jörg-Volker Peetz <jvpeetz@web.de> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
2012-10-03xz: Fix the note about --rsyncable on the man page.Lasse Collin1-8/+9
2012-09-28xz: Improve handling of failed realloc in xrealloc.Lasse Collin1-2/+12
Thanks to Jim Meyering.
2012-08-24A few typo fixes to comments and the xz man page.Lasse Collin2-3/+2
Thanks to Jim Meyering.
2012-08-13xz: Add a warning to --help about alpha and beta versions.Lasse Collin1-0/+5
2012-07-17liblzma: Make the use of lzma_allocator const-correct.Lasse Collin71-219/+269
There is a tiny risk of causing breakage: If an application assigns lzma_stream.allocator to a non-const pointer, such code won't compile anymore. I don't know why anyone would do such a thing though, so in practice this shouldn't cause trouble. Thanks to Jan Kratochvil for the patch.
2012-07-05Build: Include validate_map.sh in the distribution.Lasse Collin1-1/+1
It's required by "make mydist". Fix also the location of EXTRA_DIST+= so that those files get distributed also if symbol versioning isn't enabled.
2012-07-04xz: Document --block-list better.Lasse Collin1-1/+7
Thanks to Jonathan Nieder.
2012-07-04Bump the version number to 5.1.2alpha.larhzu/v5.1.2alphaLasse Collin2-2/+2
2012-07-04xz: Fix the version number printed by xz -lvv.Lasse Collin1-3/+3
The decoder bug was fixed in 5.0.2 instead of 5.0.3.
2012-07-03xz: Add incomplete support for --block-list.Lasse Collin7-10/+151
It's broken with threads and when also --block-size is used.
2012-07-01xz: Update the man page about the new field in --robot -lvv.Lasse Collin1-1/+17
2012-06-28liblzma: Check that the first byte of range encoded data is 0x00.Lasse Collin2-5/+15
It is just to be more pedantic and thus perhaps catch broken files slightly earlier.
2012-06-22xz: Update man page date to match the latest update.Lasse Collin1-1/+1
2012-05-28liblzma: Fix possibility of incorrect LZMA_BUF_ERROR.Lasse Collin1-1/+1
lzma_code() could incorrectly return LZMA_BUF_ERROR if all of the following was true: - The caller knows how many bytes of output to expect and only provides that much output space. - When the last output bytes are decoded, the caller-provided input buffer ends right before the LZMA2 end of payload marker. So LZMA2 won't provide more output anymore, but it won't know it yet and thus won't return LZMA_STREAM_END yet. - A BCJ filter is in use and it hasn't left any unfiltered bytes in the temp buffer. This can happen with any BCJ filter, but in practice it's more likely with filters other than the x86 BCJ. Another situation where the bug can be triggered happens if the uncompressed size is zero bytes and no output space is provided. In this case the decompression can fail even if the whole input file is given to lzma_code(). A similar bug was fixed in XZ Embedded on 2011-09-19.
2012-05-28xz: Don't show a huge number in -vv when memory limit is disabled.Lasse Collin1-1/+11
2012-05-27xz: Document the "summary" lines of --robot -lvv.Lasse Collin1-0/+19
This documents only the columns that are in v5.0. The new columns added in the master branch aren't necessarily stable yet.
2012-05-27xz: Fix output of verbose --robot --list modes.Lasse Collin1-1/+1
It printed the filename in "filename (x/y)" format which it obviously shouldn't do in robot mode.
2012-04-19liblzma: Remove outdated comments.Lasse Collin2-5/+1
2012-04-19liblzma: Fix Libs.private in liblzma.pc to include -lrt when needed.Lasse Collin1-1/+1
2012-02-22Fix exit status of xzgrep when grepping binary files.Lasse Collin1-1/+2
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.
2011-11-07xz: Show minimum required XZ Utils version in xz -lvv.Lasse Collin1-6/+57
Man page wasn't updated yet.
2011-11-04xz: Fix a typo in a comment.Lasse Collin1-1/+1
Thanks to Bela Lubkin.
2011-11-03xz: Fix xz on EBCDIC systems.Lasse Collin1-1/+4
Thanks to Chris Donawa.
2011-10-23liblzma: Fix invalid free() in the threaded encoder.Lasse Collin1-0/+4
It was triggered if initialization failed e.g. due to running out of memory. Thanks to Arkadiusz Miskiewicz.
2011-10-23liblzma: Fix a deadlock in the threaded encoder.Lasse Collin1-1/+3
It was triggered when reinitializing the encoder, e.g. when encoding two files.
2011-08-09Workaround unusual SIZE_MAX on SCO OpenServer.Lasse Collin1-3/+6
2011-07-31Fix exit status of "xzdiff foo.xz bar.xz".Lasse Collin1-0/+2
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.
2011-06-16liblzma: Remove unneeded semicolon.Lasse Collin1-1/+1
2011-05-28Don't call close(-1) in tuklib_open_stdxxx() on error.Lasse Collin1-1/+3
Thanks to Jim Meyering.
2011-05-28liblzma: Use symbol versioning.Lasse Collin3-0/+179
Symbol versioning is enabled by default on GNU/Linux, other GNU-based systems, and FreeBSD. I'm not sure how stable this is, so it may need backward-incompatible changes before the next release. The idea is that alpha and beta symbols are considered unstable and require recompiling the applications that use those symbols. Once a symbol is stable, it may get extended with new features in ways that don't break compatibility with older ABI & API. The mydist target runs validate_map.sh which should catch some probable problems in liblzma.map. Otherwise I would forget to update the map file for new releases.
2011-05-27xz: Fix error handling in xz -lvv.Lasse Collin1-15/+6
It could do an invalid free() and read past the end of the uninitialized filters array.
2011-05-27liblzma: Handle allocation failures correctly in lzma_index_init().Lasse Collin1-2/+5
Thanks to Jim Meyering.
2011-05-21xz: Translate also the string used to print the program name.Lasse Collin1-1/+5
French needs a space before a colon, e.g. "xz : foo error".
2011-05-21liblzma: Try to use SHA-256 from the operating system.Lasse Collin2-8/+77
If the operating system libc or other base libraries provide SHA-256, use that instead of our own copy. Note that this doesn't use OpenSSL or libgcrypt or such libraries to avoid creating dependencies to other packages. This supports at least FreeBSD, NetBSD, OpenBSD, Solaris, MINIX, and Darwin. They all provide similar but not identical SHA-256 APIs; everyone is a little different. Thanks to Wim Lewis for the original patch, improvements, and testing.
2011-05-17Don't use clockid_t in mythread.h when clock_gettime() isn't available.Lasse Collin1-0/+2
Thanks to Wim Lewis for the patch.
2011-05-17Add underscores to attributes (__attribute((__foo__))).Lasse Collin25-47/+49
2011-05-01xz: Fix input file position when --single-stream is used.Lasse Collin3-0/+29
Now the following works as you would expect: echo foo | xz > foo.xz echo bar | xz >> foo.xz ( xz -dc --single-stream ; xz -dc --single-stream ) < foo.xz Note that it doesn't work if the input is not seekable or if there is Stream Padding between the concatenated .xz Streams.
2011-05-01xz: Print the maximum number of worker threads in xz -vv.Lasse Collin1-0/+4
2011-04-19Fix portability problems in mythread.h.Lasse Collin1-4/+27
Use gettimeofday() if clock_gettime() isn't available (e.g. Darwin). The test for availability of pthread_condattr_setclock() and CLOCK_MONOTONIC was incorrect. Instead of fixing the #ifdefs, use an Autoconf test. That way if there exists a system that supports them but doesn't specify the matching POSIX #defines, the features will still get detected. Don't try to use pthread_sigmask() on OpenVMS. It doesn't have that function. Guard mythread.h against being #included multiple times.
2011-04-18xzgrep: fix typo in $0 parsingMartin Väth1-2/+2
Reported-by: Diego Elio Pettenò <flameeyes@gentoo.org> Signed-off-by: Martin Väth <vaeth@mathematik.uni-wuerzburg.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-04-12Bump the version number to 5.1.1alpha and liblzma soname to 5.0.99.larhzu/v5.1.1alphaLasse Collin2-2/+2
2011-04-12Put the unstable APIs behind #ifdef LZMA_UNSTABLE.Lasse Collin3-0/+8
This way people hopefully won't complain if these APIs change and break code that used an older API.
2011-04-12Remove doubled words from documentation and comments.Lasse Collin4-4/+4
Spot candidates by running these commands: git ls-files |xargs perl -0777 -n \ -e 'while (/\b(then?|[iao]n|i[fst]|but|f?or|at|and|[dt]o)\s+\1\b/gims)' \ -e '{$n=($` =~ tr/\n/\n/ + 1); ($v=$&)=~s/\n/\\n/g; print "$ARGV:$n:$v\n"}' Thanks to Jim Meyering for the original patch.
2011-04-12xz: Update the man page about threading.Lasse Collin1-14/+20
2011-04-11xz: Add support for threaded compression.Lasse Collin2-80/+125
2011-04-11liblzma: Add lzma_stream_encoder_mt() for threaded compression.Lasse Collin7-1/+1538
This is the simplest method to do threading, which splits the uncompressed data into blocks and compresses them independently from each other. There's room for improvement especially to reduce the memory usage, but nevertheless, this is a good start.
2011-04-11liblzma: Add the forgotten lzma_lzma2_block_size().Lasse Collin2-0/+12
This should have been in 5eefc0086d24a65e136352f8c1d19cefb0cbac7a.
2011-04-11liblzma: Document lzma_easy_(enc|dec)oder_memusage() better too.Lasse Collin1-0/+9
2011-04-11liblzma: Document lzma_raw_(enc|dec)oder_memusage() better.Lasse Collin1-2/+6
It didn't mention the return value that is used if an error occurs.
2011-04-11liblzma: Use memzero() to initialize supported_actions[].Lasse Collin1-4/+2
This is cleaner and makes it simpler to add new members to lzma_action enumeration.
2011-04-11liblzma: API comment about lzma_allocator with threaded coding.Lasse Collin1-5/+13
2011-04-11liblzma: Add an internal function lzma_mt_block_size().Lasse Collin2-26/+24
This is based lzma_chunk_size() that was included in some development version of liblzma.
2011-04-11liblzma: Don't create an empty Block in lzma_stream_buffer_encode().Lasse Collin1-7/+13
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.
2011-04-11liblzma: Fix API docs to mention LZMA_UNSUPPORTED_CHECK.Lasse Collin2-0/+4
This return value was missing from the API comments of four functions.
2011-04-11liblzma: Validate encoder arguments better.Lasse Collin3-6/+20
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.
2011-04-11xz: Move the description of --block-size in --long-help.Lasse Collin1-4/+4
2011-04-11Docs: Document --single-stream and --block-size.Lasse Collin1-2/+36
2011-04-11liblzma: Make lzma_stream_encoder_init() static (second try).Lasse Collin4-32/+6
It's an internal function and it's not needed by anything outside stream_encoder.c.
2011-04-11Revert "liblzma: Make lzma_stream_encoder_init() static."Lasse Collin3-4/+29
This reverts commit 352ac82db5d3f64585c07b39e4759388dec0e4d7. I don't know what I was thinking.
2011-04-10Revise mythread.h.Lasse Collin1-20/+180
This adds: - mythread_sync() macro to create synchronized blocks - mythread_cond structure and related functions and macros for condition variables with timed waiting using a relative timeout - mythread_create() to create a thread with all signals blocked Some of these wouldn't need to be inline functions, but I'll keep them this way for now for simplicity. For timed waiting on a condition variable, librt is now required on some systems to use clock_gettime(). configure.ac was updated to handle this.
2011-04-10liblzma: Make lzma_stream_encoder_init() static.Lasse Collin3-29/+4
It's an internal function and it's not needed by anything outside stream_encoder.c.
2011-04-10xz/DOS: Add experimental 8.3 filename support.Lasse Collin1-9/+167
This is incompatible with the 8.3 support patch made by Juan Manuel Guerrero. I think this one is nicer, but I need to get feedback from DOS users before saying that this is the final version of 8.3 filename support.
2011-04-10xz/DOS: Be more careful with the destination file.Lasse Collin1-2/+33
Try to avoid overwriting the source file if --force is used and the generated destination filename refers to the source file. This can happen with 8.3 filenames where extra characters are ignored. If the generated output file refers to a special file like "con" or "prn", refuse to write to it even if --force is used.
2011-04-09liblzma: Add missing #ifdefs to filter_common.c.Lasse Collin1-3/+3
Passing --disable-decoders to configure broke a few encoders due to missing #ifdefs in filter_common.c. Thanks to Jason Gorski for the patch.
2011-04-09xz: Avoid unneeded fstat() on DOS-like systems.Lasse Collin1-6/+8
2011-04-09xz: Minor internal changes to handling of --threads.Lasse Collin3-19/+18
Now it always defaults to one thread. Maybe this will change again if a threading method is added that doesn't affect memory usage.
2011-04-08xz: Change size_t to uint32_t in a few places.Lasse Collin2-4/+4
2011-04-08xz: Fix a typo in a comment.Lasse Collin1-1/+1
2011-04-05liblzma: Use TUKLIB_GNUC_REQ to check GCC version in sha256.c.Lasse Collin1-3/+3
2011-04-05xz: Use posix_fadvise() if it is available.Lasse Collin1-0/+15
2011-04-05xz: Call lzma_end(&strm) before exiting if debugging is enabled.Lasse Collin3-0/+19
2011-04-02liblzma: Fix a memory leak in stream_encoder.c.Lasse Collin1-1/+1
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.
2011-03-31liblzma: Fix decoding of LZMA2 streams having no uncompressed data.Lasse Collin1-4/+4
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.
2011-03-24Scripts: Better fix for xzgrep.Lasse Collin1-2/+6
Now it uses "grep -q". Thanks to Gregory Margo.
2011-03-24Scripts: Fix xzgrep -l.Lasse Collin1-2/+2
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.
2011-03-19Scripts: Add lzop (.lzo) support to xzdiff and xzgrep.Lasse Collin4-16/+28
2011-03-18xz: Add --block-size=SIZE.Lasse Collin4-10/+54
This uses LZMA_FULL_FLUSH every SIZE bytes of input. Man page wasn't updated yet.
2011-03-18xz: Add --single-stream.Lasse Collin4-3/+23
This can be useful when there is garbage after the compressed stream (.xz, .lzma, or raw stream). Man page wasn't updated yet.
2011-02-06xz: Clean up suffix.c.Lasse Collin1-24/+20
struct suffix_pair isn't needed in compresed_name() so get rid of it there.
2011-02-06xz: Check if the file already has custom suffix when compressing.Lasse Collin1-0/+9
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.
2011-02-06Merge commit '5fbce0b8d96dc96775aa0215e3581addc830e23d'Lasse Collin1-8/+7
2011-01-26xz: Fix --force on setuid/setgid/sticky and multi-hardlink files.Lasse Collin1-8/+7
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.
2011-01-19Merge branch 'v5.0'Lasse Collin4-9/+16
2011-01-18Add alloc_size and malloc attributes to a few functions.Lasse Collin3-3/+10
Thanks to Cristian Rodríguez for the original patch.
2010-12-13Scripts: Fix gzip and bzip2 support in xzdiff.Lasse Collin1-6/+6
2010-12-12Merge branch 'v5.0'Lasse Collin2-4/+38
2010-12-12Add missing PRIx32 and PRIx64 compatibility definitions.Lasse Collin1-0/+9
This fixes portability to systems that lack C99 inttypes.h. Thanks to Juan Manuel Guerrero.
2010-12-12DOS-like: Treat \ and : as directory separators in addition to /.Lasse Collin1-4/+29
Juan Manuel Guerrero had fixed this in his XZ Utils port to DOS/DJGPP. The bug affects also Windows and OS/2.
2010-11-15Merge branch 'v5.0'Lasse Collin1-0/+3
2010-11-15liblzma: Document the return value of lzma_lzma_preset().Lasse Collin1-0/+3
2010-10-26liblzma: Rename a few variables and constants.Lasse Collin8-186/+183
This has no semantic changes. I find the new names slightly more logical and they match the names that are already used in XZ Embedded. The name fastpos wasn't changed (not worth the hassle).
2010-10-25Bump version 5.1.0alpha.larhzu/v5.1.0alphaLasse Collin1-2/+2
2010-10-23Bump version to 5.0.0 and liblzma version-info to 5:0:0.Lasse Collin2-5/+5
2010-10-23liblzma: Make lzma_code() check the reserved members in lzma_stream.Lasse Collin1-0/+14
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.
2010-10-23Windows: Use MinGW's stdio functions.Lasse Collin1-0/+5
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.
2010-10-23liblzma: Use 512 as INDEX_GROUP_SIZE.Lasse Collin1-1/+1
This lets compiler use shifting instead of 64-bit division.
2010-10-23liblzma: A few ABI tweaks to reserve space in structures.Lasse Collin3-7/+8
2010-10-21xz: Make sure that message_strm() can never return NULL.Lasse Collin1-2/+5
2010-10-21liblzma: Update the comments in the API headers.Lasse Collin14-107/+136
Adding support for LZMA_FINISH for Index encoding and decoding needed tiny additions to the relevant .c files too.
2010-10-19Clean up a few FIXMEs and TODOs.Lasse Collin6-7/+8
lzma_chunk_size() was commented out because it is currently useless.
2010-10-12xz: Avoid raise() also on OpenVMS.Lasse Collin1-1/+1
This is similar to DOS/DJGPP that killing the program with a signal will print a backtrace or a similar message.
2010-10-11xz: Avoid SA_RESTART for portability reasons.Lasse Collin3-23/+25
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.
2010-10-10xz: Use "%"PRIu32 instead of "%d" in a format string.Lasse Collin1-1/+1
2010-10-10lzmainfo: Use "%"PRIu32 instead of "%u" for uint32_t.Lasse Collin1-1/+1
2010-10-10lzmainfo: Use fileno(stdin) instead of STDIN_FILENO.Lasse Collin1-1/+1
2010-10-09lzmainfo: Use setmode() on DOS-like systems.Lasse Collin1-0/+9
2010-10-09OS/2 and DOS: Be less verbose on signals.Lasse Collin1-0/+7
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.
2010-10-09lzmainfo: Add Windows resource file.Lasse Collin2-0/+21
2010-10-09Add missing public domain notice to lzmadec_w32res.rc.Lasse Collin1-0/+7
2010-10-09Windows: Update common_w32res.rc.Lasse Collin1-6/+3
2010-10-08Use LZMA_VERSION_STRING instead of PACKAGE_VERSION.Lasse Collin1-1/+1
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.
2010-10-08Build: Add options to disable individual command line tools.Lasse Collin4-40/+55
2010-10-05Build: Remove the static/dynamic tricks.Lasse Collin3-9/+3
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.
2010-10-04A few more languages files to the xz man page.Lasse Collin1-21/+24
Thanks to Jonathan Nieder.
2010-10-02liblzma: Small fixes to comments in the API headers.Lasse Collin1-3/+7
2010-09-28Fix accomodate -> accommodate on the xz man page.Lasse Collin1-1/+1
2010-09-27Major man page updates.Lasse Collin7-641/+1435
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.
2010-09-26Fix the preset -3e.Lasse Collin1-0/+1
depth=0 was missing.
2010-09-15xz: Edit a translators comment.Lasse Collin1-1/+1
2010-09-10xz: Add a comment to translators about "literal context bits".Lasse Collin1-0/+4
2010-09-10xz: Multiple fixes.Lasse Collin10-187/+393
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.
2010-09-07xz: Add a note to translators.Lasse Collin1-0/+2
2010-09-07Fix use of N_() and ngettext().Lasse Collin2-4/+4
I had somehow thought that N_() is usually used as shorthand for ngettext(). This also fixes a missing \n from a call to ngettext().
2010-09-06xz: Improve a comment.Lasse Collin1-3/+4
2010-09-05xz: Update the comment about NetBSD in file_io.c.Lasse Collin1-4/+4
Thanks to Joerg Sonnenberger.
2010-09-05xz: Use an array instead of pointer for stdin_filename.Lasse Collin2-2/+2
Thanks Joerg Sonnenberger.
2010-09-05xz: Hopefully ease translating the messages in list.c.Lasse Collin1-10/+23
2010-09-04xz: Fix grammar.Lasse Collin1-2/+1
2010-09-04xz: Use lzma_lzma_preset() to initialize the options structure.Lasse Collin1-12/+2
2010-09-04Don't set lc=4 with --extreme.Lasse Collin1-1/+0
This should reduce the cases where --extreme makes compression worse. On the other hand, some other files may now benefit slightly less from --extreme.
2010-09-04xz: Minor improvements to --help and --long-help.Lasse Collin1-12/+12
2010-09-03xz: Make -vv show also decompressor memory usage.Lasse Collin1-0/+7
2010-09-03Tweak the compression presets -0 .. -5.Lasse Collin1-10/+19
"Extreme" mode might need some further tweaking still. Docs were not updated yet.
2010-09-03liblzma: Adjust default depth calculation for HC3 and HC4.Lasse Collin1-3/+4
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.
2010-09-03xz: Make --help two lines shorter.Lasse Collin1-2/+5
At least for now, the --help option doesn't list any options that take arguments, so "Mandatory arguments to..." can be omitted.
2010-09-02xz: Make setting a preset override a custom filter chain.Lasse Collin1-0/+9
This is more logical behavior than ignoring preset level options once a custom filter chain has been specified.
2010-09-02xz: Always warn if adjusting dictionary size due to memlimit.Lasse Collin1-19/+9
2010-08-07Disable the memory usage limiter by default.Lasse Collin10-448/+373
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.
2010-08-06Add missing const to a global constant in xz.Lasse Collin2-2/+2
2010-07-28Language fixes for man pages.Lasse Collin2-5/+5
Thanks to A. Costa and Jonathan Nieder.
2010-06-15Add --no-adjust.Lasse Collin5-9/+28
2010-06-11Clarify the description of the default memlimit in the man page.Lasse Collin1-2/+2
Thanks to Denis Excoffier.
2010-06-11Fix string to uint64_t conversion.Lasse Collin2-4/+19
Thanks to Denis Excoffier for the bug report.
2010-06-02Fix compiling with -Werror.Lasse Collin1-2/+2
2010-06-02Silence a bogus Valgrind warning.Lasse Collin1-1/+5
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.
2010-06-02Fix a Windows-specific FIXME in signal handling code.Lasse Collin3-13/+48
2010-06-02Adjust SA_RESTART workaround.Lasse Collin1-7/+7
I want to get a bug report if something else than DJGPP lacks SA_RESTART.
2010-06-01xz man page updates.Lasse Collin1-19/+366
- Concatenating .xz files and padding - List mode - Robot mode - A few examples (but many more are needed)
2010-06-01Major update to xz --list.Lasse Collin1-181/+471
2010-06-01Rename message_filters_get() to message_filters_to_str().Lasse Collin2-3/+3
2010-06-01Fix a comment.Lasse Collin1-1/+1
2010-05-27Fix lzma_block_compressed_size().Lasse Collin1-3/+3
2010-05-27Take Cygwin into account in some #if lines.Lasse Collin2-3/+3
This change is no-op, but good to have just in case for the future.
2010-05-27Remove references to the Subblock filter in xz and tests.Lasse Collin1-9/+0
Thanks to Jonathan Nieder.
2010-05-27Remove unused chunk_size.c.Lasse Collin1-67/+0
Thanks to Jonathan Nieder for the reminder.
2010-05-27Use my_min() instead of MIN() in src/xz/list.cJonathan Nieder1-1/+1
This should have been done in 920a69a8d8e4203c5edddd829d932130eac188ea.
2010-05-26Rename MIN() and MAX() to my_min() and my_max().Lasse Collin14-29/+29
This should avoid some minor portability issues.
2010-05-26Better #error message.Lasse Collin1-2/+2
2010-05-26Remove the Subblock filter code for now.Lasse Collin18-2102/+1
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.
2010-05-16Split message_filters().Lasse Collin3-69/+134
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.
2010-05-14Omit lzma_restrict from the API headers.Lasse Collin3-21/+7
It isn't really useful so omitting it makes things shorter and slightly more readable.
2010-05-10Updates to tuklib_physmem and tuklib_cpucores.Lasse Collin2-3/+44
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.
2010-04-12Show both elapsed time and estimated remaining time in xz -v.Lasse Collin1-48/+38
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.
2010-03-07Fix xzgrep to not break if filenames have spaces or quotes.Lasse Collin1-1/+1
Thanks to someone who reported the bug on IRC.
2010-03-07Treat all integer multiplier suffixes as base-2.Lasse Collin3-76/+67
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.
2010-03-07Consistently round up the memory usage limit in messages.Lasse Collin2-4/+8
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.
2010-03-07Increase the default memory usage limit on "low-memory" systems.Lasse Collin4-34/+80
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.
2010-03-06Fix missing initialization in lzma_strm_init().Lasse Collin1-0/+1
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.
2010-02-12Collection of language fixes to comments and docs.Lasse Collin41-70/+70
Thanks to Jonathan Nieder.
2010-02-12Fix jl -> jb in ASM files.Lasse Collin2-3/+3
2010-02-12Use __APPLE__ instead of __MACH__ in ASM files.Lasse Collin2-8/+8
This allows the files to work on HURD. Thanks to Jonathan Nieder.
2010-02-07Subtle change to liblzma Block handling API.Lasse Collin2-22/+20
lzma_block.version has to be initialized even for lzma_block_header_decode(). This way a future version of liblzma won't allocate memory in a way that an old application doesn't know how to free it. The subtlety of this change is that all current apps using lzma_block_header_decode() will keep working for now, because the only possible version value is zero, and lzma_block_header_decode() unconditionally sets the version to zero even now. Unless fixed, these apps will break in the future if a new version of the Block options is ever needed.
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