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2016-11-21liblzma: Avoid multiple definitions of lzma_coder structures.Lasse Collin1-14/+15
Only one definition was visible in a translation unit. It avoided a few casts and temp variables but seems that this hack doesn't work with link-time optimizations in compilers as it's not C99/C11 compliant. Fixes: http://www.mail-archive.com/xz-devel@tukaani.org/msg00279.html
2015-03-07liblzma: Silence more uint32_t vs. size_t warnings.Lasse Collin1-1/+1
2012-07-17liblzma: Make the use of lzma_allocator const-correct.Lasse Collin1-3/+4
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.
2010-10-26liblzma: Rename a few variables and constants.Lasse Collin1-28/+28
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).
2010-10-19Clean up a few FIXMEs and TODOs.Lasse Collin1-1/+1
lzma_chunk_size() was commented out because it is currently useless.
2009-10-04Use a tuklib module for integer handling.Lasse Collin1-1/+1
This replaces bswap.h and integer.h. The tuklib module uses <byteswap.h> on GNU, <sys/endian.h> on *BSDs and <sys/byteorder.h> on Solaris, which may contain optimized code like inline assembly.
2009-09-11Fix a couple of warnings.Lasse Collin1-1/+1
2009-04-13Put the interesting parts of XZ Utils into the public domain.Lasse Collin1-12/+5
Some minor documentation cleanups were made at the same time.
2009-02-02Modify LZMA_API macro so that it works on Windows withLasse Collin1-1/+1
other compilers than MinGW. This may hurt readability of the API headers slightly, but I don't know any better way to do this.
2009-01-27Added initial support for preset dictionary for raw LZMA1Lasse Collin1-1/+8
and LZMA2. It is not supported by the .xz format or the xz command line tool yet.
2009-01-19Move some LZMA2 constants to lzma2_encoder.h so that theyLasse Collin1-1/+2
can be used outside lzma2_encoder.c.
2008-12-27Bunch of liblzma tweaks, including some API changes.Lasse Collin1-1/+1
The API and ABI should now be very close to stable, although the code behind it isn't yet.
2008-12-09Make the memusage functions of LZMA1 and LZMA2 encodersLasse Collin1-14/+30
to validate the filter options. Add missing validation to LZMA2 encoder when options are changed in the middle of encoding.
2008-09-27Some API changes, bug fixes, cleanups etc.Lasse Collin1-30/+21
2008-09-17Miscellaneous LZ and LZMA encoder cleanupsLasse Collin1-41/+23
2008-09-13Renamed constants:Lasse Collin1-4/+4
- LZMA_VLI_VALUE_MAX -> LZMA_VLI_MAX - LZMA_VLI_VALUE_UNKNOWN -> LZMA_VLI_UNKNOWN - LZMA_HEADER_ERRRO -> LZMA_OPTIONS_ERROR
2008-08-31Fix wrong pointer calculation in LZMA encoder.Lasse Collin1-1/+3
2008-08-28Sort of garbage collection commit. :-| Many things are stillLasse Collin1-126/+450
broken. API has changed a lot and it will still change a little more here and there. The command line tool doesn't have all the required changes to reflect the API changes, so it's easy to get "internal error" or trigger assertions.
2008-06-20Remove some redundant code from LZMA encoder.Lasse Collin1-14/+1
2008-06-18CommentsLasse Collin1-5/+2
2008-06-01Fix a buffer overflow in the LZMA encoder. It was due to myLasse Collin1-290/+261
misunderstanding of the code. There's no tiny fix for this problem, so I also cleaned up the code in general. This reduces the speed of the encoder 2-5 % in the fastest compression mode ("lzma -1"). High compression modes should have no noticeable performance difference. This commit breaks things (especially LZMA_SYNC_FLUSH) but I will fix them once the new format and LZMA2 has been roughly implemented. Plain LZMA won't support LZMA_SYNC_FLUSH at all and won't be supported in the new .lzma format. This may change still but this is what it looks like now. Support for known uncompressed size (that is, LZMA or LZMA2 without EOPM) is likely to go away. This means there will be API changes.
2008-04-24Added two assert()s.Lasse Collin1-1/+3
2008-03-22Demystified the "state" variable in LZMA code. Use theLasse Collin1-7/+7
word literal instead of char for better consistency. There are still some names with _char instead of _literal in lzma_optimum, these may be changed later. Renamed length coder variables. This commit doesn't change the program logic.
2008-03-14Fix data corruption in LZMA encoder. Note that this bug wasLasse Collin1-0/+4
specific to liblzma and was *not* present in LZMA SDK.
2008-01-18Fix LZMA_SYNC_FLUSH handling in LZ and LZMA encoders.Lasse Collin1-25/+2
That code is now almost completely in LZ coder, where it can be shared with other LZ77-based algorithms in future.
2008-01-15Revised the fastpos code. It now uses the slightly fasterLasse Collin1-0/+1
table-based version from LZMA SDK 4.57. This should be fast on most systems. A simpler and smaller alternative version is also provided. On some CPUs this can be even a little faster than the default table-based version (see comments in fastpos.h), but on most systems the table-based code is faster.
2008-01-15Fix a typo in lzma_encoder.c.Lasse Collin1-1/+1
2008-01-15Convert bittree_get_price() and bittree_reverse_get_price()Lasse Collin1-12/+7
from macros to inline functions.
2008-01-14Major changes to LZ encoder, LZMA encoder, and range encoder.Lasse Collin1-31/+43
These changes implement support for LZMA_SYNC_FLUSH in LZMA encoder, and move the temporary buffer needed by range encoder from lzma_range_encoder structure to lzma_lz_encoder.
2007-12-09Imported to git.Lasse Collin1-0/+413