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2009-04-13Put the interesting parts of XZ Utils into the public domain.Lasse Collin1-10/+3
Some minor documentation cleanups were made at the same time.
2009-02-18Added files missing from the previous commit.Lasse Collin1-1/+6
2009-02-01Added initial version of raw buffer-to-buffer codingLasse Collin1-0/+2
functions, and cleaned up filter.h API header a little. May be very buggy, not tested yet.
2009-01-26Add lzma_block_buffer_decode().Lasse Collin1-0/+1
2009-01-23Added lzma_stream_buffer_decode() and made minor cleanups.Lasse Collin1-0/+1
2009-01-20Add some single-call buffer-to-buffer coding functions.Lasse Collin1-0/+2
2008-12-31Remove lzma_init() and other init functions from liblzma API.Lasse Collin1-3/+0
Half of developers were already forgetting to use these functions, which could have caused total breakage in some future liblzma version or even now if --enable-small was used. Now liblzma uses pthread_once() to do the initializations unless it has been built with --disable-threads which make these initializations thread-unsafe. When --enable-small isn't used, liblzma currently gets needlessly linked against libpthread (on systems that have it). While it is stupid for now, liblzma will need threads in future anyway, so this stupidity will be temporary only. When --enable-small is used, different code CRC32 and CRC64 is now used than without --enable-small. This made the resulting binary slightly smaller, but the main reason was to clean it up and to handle the lack of lzma_init_check(). The pkg-config file lzma.pc was renamed to liblzma.pc. I'm not sure if it works correctly and portably for static linking (Libs.private includes -pthread or other operating system specific flags). Hopefully someone complains if it is bad. lzma_rc_prices[] is now included as a precomputed array even with --enable-small. It's just 128 bytes now that it uses uint8_t instead of uint32_t. Smaller array seemed to be at least as fast as the more bloated uint32_t array on x86; hopefully it's not bad on other architectures.
2008-12-18Updated Makefile.am that was missing from the previous commit.Lasse Collin1-1/+0
2008-11-25Remove the nowadays unneeded memory limitting malloc() wrapper.Lasse Collin1-1/+0
2008-09-11Remove bogus #includes.Lasse Collin1-1/+0
2008-09-10Cleaned up Block encoder and moved the no longer sharedLasse Collin1-1/+0
code from block_private.h to block_decoder.c. Now the Block encoder doesn't need compressed_size and uncompressed_size from lzma_block structure to be initialized.
2008-08-28Sort of garbage collection commit. :-| Many things are stillLasse Collin1-34/+17
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.
2008-06-18Update the code to mostly match the new simpler file formatLasse Collin1-21/+10
specification. Simplify things by removing most of the support for known uncompressed size in most places. There are some miscellaneous changes here and there too. The API of liblzma has got many changes and still some more will be done soon. While most of the code has been updated, some things are not fixed (the command line tool will choke with invalid filter chain, if nothing else). Subblock filter is somewhat broken for now. It will be updated once the encoded format of the Subblock filter has been decided.
2008-04-28Fixed wrong spelling "limitter" to "limiter". This affectsLasse Collin1-1/+1
liblzma's API.
2008-04-25Removed src/liblzma/common/sysdefs.h symlink, which wasLasse Collin1-1/+0
annoying, because "make dist" put two copies of sysdefs.h into the tarball instead of the symlink.
2008-01-22Added lzma_easy_* functions. These should make usingLasse Collin1-0/+5
liblzma as easy as using zlib, because the easy API don't require developers to know any fancy LZMA options. Note that Multi-Block Stream encoding is currently broken. The easy API should be OK, the bug(s) are elsewhere.
2008-01-19Revised the Delta filter implementation. The initializationLasse Collin1-2/+12
function is still shared between encoder and decoder, but the actual coding is in separate files for encoder and decoder. There are now separate functions for the actual delta calculation depending on if Delta is the last filter in the chain or not. If it is the last, the new code copies the data from input to output buffer and does the delta calculation at the same time. The old code first copied the data, then did the delta in the target buffer, which required reading through the data twice. Support for LZMA_SYNC_FLUSH was added to the Delta encoder. This doesn't change anything in the file format.
2008-01-15Added bsr.h.Lasse Collin1-0/+1
2007-12-09Imported to git.Lasse Collin1-0/+94