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2016-12-26liblzma: Fix a memory leak in error path of lzma_index_dup().Lasse Collin1-9/+9
lzma_index_dup() calls index_dup_stream() which, in case of an error, calls index_stream_end() to free memory allocated by index_stream_init(). However, it illogically didn't actually free the memory. To make it logical, the tree handling code was modified a bit in addition to changing index_stream_end(). Thanks to Evan Nemerson for the bug report.
2016-06-28liblzma: Fix lzma_index_dup() for empty Streams.Lasse Collin1-5/+6
Stream Flags and Stream Padding weren't copied from empty Streams.
2016-06-28liblzma: Add a note to index.c for those using static analyzers.Lasse Collin1-0/+3
2015-03-07liblzma: Fix a warning in index.c.Lasse Collin1-1/+3
2012-07-17liblzma: Make the use of lzma_allocator const-correct.Lasse Collin1-13/+13
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.
2011-05-27liblzma: Handle allocation failures correctly in lzma_index_init().Lasse Collin1-2/+5
Thanks to Jim Meyering.
2010-10-23liblzma: Use 512 as INDEX_GROUP_SIZE.Lasse Collin1-1/+1
This lets compiler use shifting instead of 64-bit division.
2010-02-12Collection of language fixes to comments and docs.Lasse Collin1-3/+3
Thanks to Jonathan Nieder.
2009-12-31Revised the Index handling code.Lasse Collin1-548/+1005
This breaks API and ABI but most apps are not affected since most apps don't use this part of the API. You will get a compile error if you are using anything that got broken. Summary of changes: - Ability to store Stream Flags, which are needed for random-access reading in multi-Stream files. - Separate function to set size of Stream Padding. - Iterator structure makes it possible to read the same lzma_index from multiple threads at the same time. - A lot faster code to locate Blocks. - Removed lzma_index_equal() without adding anything to replace it. I don't know what it should do exactly with the new features and what actually needs this function in the first place other than test_index.c, which now has its own code to compare lzma_indexes.
2009-11-25Fix bugs in lzma_index_read() and lzma_index_cat().Lasse Collin1-11/+19
lzma_index_read() didn't skip over Stream Padding if it was the first record in the Index. lzma_index_cat() didn't combine small Indexes correctly. The test suite was updated to check for these bugs. These bugs didn't affect the xz command line tool or most users of liblzma in any way.
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.
2009-02-02Modify LZMA_API macro so that it works on Windows withLasse Collin1-16/+16
other compilers than MinGW. This may hurt readability of the API headers slightly, but I don't know any better way to do this.
2008-12-15Bunch of liblzma API cleanups and fixes.Lasse Collin1-0/+11
2008-11-19Oh well, big messy commit again. Some highlights:Lasse Collin1-117/+142
- Updated to the latest, probably final file format version. - Command line tool reworked to not use threads anymore. Threading will probably go into liblzma anyway. - Memory usage limit is now about 30 % for uncompression and about 90 % for compression. - Progress indicator with --verbose - Simplified --help and full --long-help - Upgraded to the last LGPLv2.1+ getopt_long from gnulib. - Some bug fixes
2008-09-13Renamed constants:Lasse Collin1-13/+11
- LZMA_VLI_VALUE_MAX -> LZMA_VLI_MAX - LZMA_VLI_VALUE_UNKNOWN -> LZMA_VLI_UNKNOWN - LZMA_HEADER_ERRRO -> LZMA_OPTIONS_ERROR
2008-06-18Update the code to mostly match the new simpler file formatLasse Collin1-82/+691
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.
2007-12-09Imported to git.Lasse Collin1-0/+140
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