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liblzma: Add API doc note about the .xz decoder LZMA_MEMLIMIT_ERROR bug. 

The bug was fixed in 660739f99a.
This commit is contained in:
Lasse Collin 2022-09-30 12:06:13 +03:00
parent 166431e995
commit 369afb5199
1 changed files with 11 additions and 0 deletions
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11
src/liblzma/api/lzma/base.h
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@ -145,6 +145,12 @@ typedef enum {
* specified memory usage limit. To continue decoding, * specified memory usage limit. To continue decoding,
* the memory usage limit has to be increased with * the memory usage limit has to be increased with
* lzma_memlimit_set(). * lzma_memlimit_set().
*
* liblzma 5.2.6 and earlier had a bug in single-threaded .xz
* decoder (lzma_stream_decoder()) which made it impossible
* to continue decoding after LZMA_MEMLIMIT_ERROR even if
* the limit was increased using lzma_memlimit_set().
* Other decoders worked correctly.
*/ */
LZMA_FORMAT_ERROR = 7, LZMA_FORMAT_ERROR = 7,
@ -649,6 +655,11 @@ extern LZMA_API(uint64_t) lzma_memlimit_get(const lzma_stream *strm)
* return LZMA_OK. Later versions treat 0 as if 1 had been specified (so * return LZMA_OK. Later versions treat 0 as if 1 had been specified (so
* lzma_memlimit_get() will return 1 even if you specify 0 here). * lzma_memlimit_get() will return 1 even if you specify 0 here).
* *
* liblzma 5.2.6 and earlier had a bug in single-threaded .xz decoder
* (lzma_stream_decoder()) which made it impossible to continue decoding
* after LZMA_MEMLIMIT_ERROR even if the limit was increased using
* lzma_memlimit_set(). Other decoders worked correctly.
*
* \return - LZMA_OK: New memory usage limit successfully set. * \return - LZMA_OK: New memory usage limit successfully set.
* - LZMA_MEMLIMIT_ERROR: The new limit is too small. * - LZMA_MEMLIMIT_ERROR: The new limit is too small.
* The limit was not changed. * The limit was not changed.