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2017-04-24liblzma: Add lzma_file_info_decoder().Lasse Collin1-0/+66
2017-03-30liblzma: Fix handling of memlimit == 0 in lzma_index_decoder().Lasse Collin1-7/+11
It returned LZMA_PROG_ERROR, which was done to avoid zero as the limit (because it's a special value elsewhere), but using LZMA_PROG_ERROR is simply inconvenient and can cause bugs. The fix/workaround is to treat 0 as if it were 1 byte. It's effectively the same thing. The only weird consequence is that then lzma_memlimit_get() will return 1 even when 0 was specified as the limit. This fixes a very rare corner case in xz --list where a specific memory usage limit and a multi-stream file could print the error message "Internal error (bug)" instead of saying that the memory usage limit is too low.
2012-07-17liblzma: Make the use of lzma_allocator const-correct.Lasse Collin1-8/+8
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.
2010-10-21liblzma: Update the comments in the API headers.Lasse Collin1-11/+17
Adding support for LZMA_FINISH for Index encoding and decoding needed tiny additions to the relevant .c files too.
2010-06-01Fix a comment.Lasse Collin1-1/+1
2010-05-14Omit lzma_restrict from the API headers.Lasse Collin1-3/+2
It isn't really useful so omitting it makes things shorter and slightly more readable.
2010-02-12Collection of language fixes to comments and docs.Lasse Collin1-3/+3
Thanks to Jonathan Nieder.
2010-01-01Fix _memconfig() functions.Lasse Collin1-7/+0
This affects lzma_memusage() and lzma_memlimit_get().
2009-12-31Revised the Index handling code.Lasse Collin1-146/+426
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.
2009-11-25Index decoder fixes.Lasse Collin1-11/+12
The Index decoder code didn't perfectly match the API docs, which said that *i will be set to point to the decoded Index only after decoding has succeeded. The docs were a bit unclear too. Now the decoder will initially set *i to NULL. *i will be set to point to the decoded Index once decoding has succeeded. This simplifies applications too, since it avoids dangling pointers.
2009-08-27Updates to liblzma API headers.Lasse Collin1-39/+58
Added lzma_nothrow for every function. It adds throw() when the header is used in C++ code. Some lzma_attrs were added or removed. Lots of comments were improved.
2009-04-13Put the interesting parts of XZ Utils into the public domain.Lasse Collin1-11/+7
Some minor documentation cleanups were made at the same time.
2009-02-02Modify LZMA_API macro so that it works on Windows withLasse Collin1-20/+20
other compilers than MinGW. This may hurt readability of the API headers slightly, but I don't know any better way to do this.
2009-01-31Add LZMA_API to liblzma API headers. It's useful at leastLasse Collin1-20/+27
on Windows. sysdefs.h no longer #includes lzma.h, so lzma.h has to be #included separately where needed.
2009-01-20Add some single-call buffer-to-buffer coding functions.Lasse Collin1-6/+64
2008-12-15Bunch of liblzma API cleanups and fixes.Lasse Collin1-14/+83
2008-11-19Oh well, big messy commit again. Some highlights:Lasse Collin1-4/+16
- 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 Collin1-1/+1
- LZMA_VLI_VALUE_MAX -> LZMA_VLI_MAX - LZMA_VLI_VALUE_UNKNOWN -> LZMA_VLI_UNKNOWN - LZMA_HEADER_ERRRO -> LZMA_OPTIONS_ERROR
2008-08-28Sort of garbage collection commit. :-| Many things are stillLasse Collin1-15/+25
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 Collin1-28/+176
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/+84
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