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Diffstat (limited to '')
| -rw-r--r-- | src/liblzma/api/lzma/base.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/liblzma/api/lzma/base.h b/src/liblzma/api/lzma/base.h index 7a31a420..a6005acc 100644 --- a/src/liblzma/api/lzma/base.h +++ b/src/liblzma/api/lzma/base.h @@ -644,11 +644,16 @@ extern LZMA_API(uint64_t) lzma_memlimit_get(const lzma_stream *strm) * This function is supported only when *strm has been initialized with * a function that takes a memlimit argument. * + * liblzma 5.2.3 and earlier has a bug where memlimit value of 0 causes + * this function to do nothing (leaving the limit unchanged) and still + * 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). + * * \return - LZMA_OK: New memory usage limit successfully set. * - LZMA_MEMLIMIT_ERROR: The new limit is too small. * The limit was not changed. * - LZMA_PROG_ERROR: Invalid arguments, e.g. *strm doesn't - * support memory usage limit or memlimit was zero. + * support memory usage limit. */ extern LZMA_API(lzma_ret) lzma_memlimit_set( lzma_stream *strm, uint64_t memlimit) lzma_nothrow; |