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Add mention of regression with poor size hints

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Nick Magerko
2019-08-19 13:41:36 -07:00
parent fee8fbcddf
commit 09894dc2eb
1 changed files with 2 additions and 1 deletions
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lib/zstd.h
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@@ -1447,7 +1447,8 @@ ZSTDLIB_API size_t ZSTD_CCtx_refPrefix_advanced(ZSTD_CCtx* cctx, const void* pre
/* User's best guess of source size.
* Hint is not valid when srcSizeHint == 0.
* There is no guarantee that hint is close to actual source size */
* There is no guarantee that hint is close to actual source size,
* but compression ratio may regress significantly if guess considerably underestimates */
#define ZSTD_c_srcSizeHint ZSTD_c_experimentalParam7
/*! ZSTD_CCtx_getParameter() :