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Update Zstandard to v1.3.7

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This commit is contained in:
Tino Reichardt
2018-10-21 23:05:13 +02:00
parent 1babcbd862
commit f745dfb818
5 changed files with 51 additions and 33 deletions
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C/zstd/zstd.h
+19 -9
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@@ -71,7 +71,7 @@ extern "C" {
/*------ Version ------*/
#define ZSTD_VERSION_MAJOR 1
#define ZSTD_VERSION_MINOR 3
#define ZSTD_VERSION_RELEASE 6
#define ZSTD_VERSION_RELEASE 7
#define ZSTD_VERSION_NUMBER (ZSTD_VERSION_MAJOR *100*100 + ZSTD_VERSION_MINOR *100 + ZSTD_VERSION_RELEASE)
ZSTDLIB_API unsigned ZSTD_versionNumber(void); /**< useful to check dll version */
@@ -361,15 +361,21 @@ ZSTDLIB_API size_t ZSTD_CStreamOutSize(void); /**< recommended size for output
* The function will update both `pos` fields.
* If `input.pos < input.size`, some input has not been consumed.
* It's up to the caller to present again remaining data.
* The function tries to flush all data decoded immediately, repecting buffer sizes.
* If `output.pos < output.size`, decoder has flushed everything it could.
* @return : 0 when a frame is completely decoded and fully flushed,
* an error code, which can be tested using ZSTD_isError(),
* any other value > 0, which means there is still some decoding to do to complete current frame.
* The return value is a suggested next input size (a hint to improve latency) that will never load more than the current frame.
* But if `output.pos == output.size`, there is no such guarantee,
* it's likely that some decoded data was not flushed and still remains within internal buffers.
* In which case, call ZSTD_decompressStream() again to flush whatever remains in the buffer.
* When no additional input is provided, amount of data flushed is necessarily <= ZSTD_BLOCKSIZE_MAX.
* @return : 0 when a frame is completely decoded and fully flushed,
* or an error code, which can be tested using ZSTD_isError(),
* or any other value > 0, which means there is still some decoding or flushing to do to complete current frame :
* the return value is a suggested next input size (a hint for better latency)
* that will never load more than the current frame.
* *******************************************************************************/
typedef ZSTD_DCtx ZSTD_DStream; /**< DCtx and DStream are now effectively same object (>= v1.3.0) */
/* For compatibility with versions <= v1.2.0, continue to consider them separated. */
/* For compatibility with versions <= v1.2.0, prefer differentiating them. */
/*===== ZSTD_DStream management functions =====*/
ZSTDLIB_API ZSTD_DStream* ZSTD_createDStream(void);
ZSTDLIB_API size_t ZSTD_freeDStream(ZSTD_DStream* zds);
@@ -1235,9 +1241,13 @@ ZSTDLIB_API size_t ZSTD_CCtx_resetParameters(ZSTD_CCtx* cctx);
typedef enum {
ZSTD_e_continue=0, /* collect more data, encoder decides when to output compressed result, for optimal conditions */
ZSTD_e_flush, /* flush any data provided so far - frame will continue, future data can still reference previous data for better compression */
ZSTD_e_end /* flush any remaining data and close current frame. Any additional data starts a new frame. */
ZSTD_e_continue=0, /* collect more data, encoder decides when to output compressed result, for optimal compression ratio */
ZSTD_e_flush, /* flush any data provided so far,
* it creates (at least) one new block, that can be decoded immediately on reception;
* frame will continue: any future data can still reference previously compressed data, improving compression. */
ZSTD_e_end /* flush any remaining data and close current frame.
* any additional data starts a new frame.
* each frame is independent (does not reference any content from previous frame). */
} ZSTD_EndDirective;
/*! ZSTD_compress_generic() :