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Add ZSTD_CCtx_resetParameters() function

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* Fix docs for `ZSTD_CCtx_reset()`.
* Add `ZSTD_CCtx_resetParameters()`.

Fixes #1094.
This commit is contained in:
Nick Terrell
2018-04-12 16:54:07 -07:00
parent 3c3f59e68f
commit 9f76eebd17
3 changed files with 23 additions and 4 deletions
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lib/zstd.h
+7 -2
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@@ -1142,11 +1142,16 @@ ZSTDLIB_API size_t ZSTD_CCtx_refPrefix_advanced(ZSTD_CCtx* cctx, const void* pre
* Useful after an error, or to interrupt an ongoing compression job and start a new one.
* Any internal data not yet flushed is cancelled.
* Dictionary (if any) is dropped.
* All parameters are back to default values (compression level is ZSTD_CLEVEL_DEFAULT).
* After a reset, all compression parameters can be modified again.
*/
ZSTDLIB_API void ZSTD_CCtx_reset(ZSTD_CCtx* cctx);
/*! ZSTD_CCtx_resetParameters() :
* All parameters are back to default values (compression level is ZSTD_CLEVEL_DEFAULT).
* Resetting parameters is only possible during frame initialization (before starting compression).
* @return 0 or an error code (which can be checked with ZSTD_isError()).
*/
ZSTDLIB_API size_t ZSTD_CCtx_resetParameters(ZSTD_CCtx* cctx);
typedef enum {