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@ -1,8 +1,7 @@
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v1.5.0 (May 11, 2021)
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v1.5.0 (May 11, 2021)
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api: Various functions and parameters promoted from experimental to stable API: (#2579-2581, @senhuang42)
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api: Various functions promoted from experimental to stable API: (#2579-2581, @senhuang42)
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`ZSTD_defaultCLevel()`
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`ZSTD_defaultCLevel()`
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`ZSTD_getDictID_fromCDict()`
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`ZSTD_getDictID_fromCDict()`
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`ZSTD_c_literalCompressionMode`
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api: Several experimental functions have been deprecated and will emit a compiler warning (#2582, @senhuang42)
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api: Several experimental functions have been deprecated and will emit a compiler warning (#2582, @senhuang42)
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`ZSTD_compress_advanced()`
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`ZSTD_compress_advanced()`
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`ZSTD_compress_usingCDict_advanced()`
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`ZSTD_compress_usingCDict_advanced()`
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@ -206,15 +206,6 @@ size_t ZSTD_freeDCtx(ZSTD_DCtx* dctx); </b>/* accept NULL pointer */<b>
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Only the order (from fast to strong) is guaranteed */
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Only the order (from fast to strong) is guaranteed */
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} ZSTD_strategy;
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} ZSTD_strategy;
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</b></pre><BR>
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</b></pre><BR>
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<pre><b>typedef enum {
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ZSTD_lcm_auto = 0, </b>/**< Automatically determine the compression mode based on the compression level.<b>
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* Negative compression levels will be uncompressed, and positive compression
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* levels will be compressed. */
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ZSTD_lcm_huffman = 1, </b>/**< Always attempt Huffman compression. Uncompressed literals will still be<b>
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* emitted if Huffman compression is not profitable. */
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ZSTD_lcm_uncompressed = 2 </b>/**< Always emit uncompressed literals. */<b>
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} ZSTD_literalCompressionMode_e; </b>/* Requires v1.5.0+ */<b>
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</b></pre><BR>
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<pre><b>typedef enum {
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<pre><b>typedef enum {
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</b>/* compression parameters<b>
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</b>/* compression parameters<b>
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@ -280,12 +271,6 @@ size_t ZSTD_freeDCtx(ZSTD_DCtx* dctx); </b>/* accept NULL pointer */<b>
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* The higher the value of selected strategy, the more complex it is,
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* The higher the value of selected strategy, the more complex it is,
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* resulting in stronger and slower compression.
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* resulting in stronger and slower compression.
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* Special: value 0 means "use default strategy". */
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* Special: value 0 means "use default strategy". */
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ZSTD_c_literalCompressionMode=108, </b>/* Note : requires v1.5.0+<b>
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* Controls how the literals are compressed (default is auto).
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* The value must be of type ZSTD_literalCompressionMode_e.
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* See ZSTD_literalCompressionMode_e enum definition for details.
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*/
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</b>/* LDM mode parameters */<b>
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</b>/* LDM mode parameters */<b>
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ZSTD_c_enableLongDistanceMatching=160, </b>/* Enable long distance matching.<b>
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ZSTD_c_enableLongDistanceMatching=160, </b>/* Enable long distance matching.<b>
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* This parameter is designed to improve compression ratio
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* This parameter is designed to improve compression ratio
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@ -364,6 +349,7 @@ size_t ZSTD_freeDCtx(ZSTD_DCtx* dctx); </b>/* accept NULL pointer */<b>
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* ZSTD_c_format
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* ZSTD_c_format
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* ZSTD_c_forceMaxWindow
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* ZSTD_c_forceMaxWindow
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* ZSTD_c_forceAttachDict
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* ZSTD_c_forceAttachDict
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* ZSTD_c_literalCompressionMode
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* ZSTD_c_targetCBlockSize
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* ZSTD_c_targetCBlockSize
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* ZSTD_c_srcSizeHint
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* ZSTD_c_srcSizeHint
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* ZSTD_c_enableDedicatedDictSearch
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* ZSTD_c_enableDedicatedDictSearch
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@ -381,6 +367,7 @@ size_t ZSTD_freeDCtx(ZSTD_DCtx* dctx); </b>/* accept NULL pointer */<b>
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ZSTD_c_experimentalParam2=10,
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ZSTD_c_experimentalParam2=10,
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ZSTD_c_experimentalParam3=1000,
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ZSTD_c_experimentalParam3=1000,
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ZSTD_c_experimentalParam4=1001,
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ZSTD_c_experimentalParam4=1001,
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ZSTD_c_experimentalParam5=1002,
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ZSTD_c_experimentalParam6=1003,
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ZSTD_c_experimentalParam6=1003,
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ZSTD_c_experimentalParam7=1004,
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ZSTD_c_experimentalParam7=1004,
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ZSTD_c_experimentalParam8=1005,
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ZSTD_c_experimentalParam8=1005,
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@ -1075,6 +1062,15 @@ size_t ZSTD_sizeof_DDict(const ZSTD_DDict* ddict);
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ZSTD_dictForceLoad = 3 </b>/* Always reload the dictionary */<b>
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ZSTD_dictForceLoad = 3 </b>/* Always reload the dictionary */<b>
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} ZSTD_dictAttachPref_e;
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} ZSTD_dictAttachPref_e;
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</b></pre><BR>
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</b></pre><BR>
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<pre><b>typedef enum {
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ZSTD_lcm_auto = 0, </b>/**< Automatically determine the compression mode based on the compression level.<b>
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* Negative compression levels will be uncompressed, and positive compression
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* levels will be compressed. */
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ZSTD_lcm_huffman = 1, </b>/**< Always attempt Huffman compression. Uncompressed literals will still be<b>
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* emitted if Huffman compression is not profitable. */
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ZSTD_lcm_uncompressed = 2 </b>/**< Always emit uncompressed literals. */<b>
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} ZSTD_literalCompressionMode_e;
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</b></pre><BR>
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<pre><b>typedef enum {
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<pre><b>typedef enum {
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ZSTD_urm_auto = 0, </b>/* Automatically determine whether or not we use row matchfinder */<b>
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ZSTD_urm_auto = 0, </b>/* Automatically determine whether or not we use row matchfinder */<b>
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ZSTD_urm_disableRowMatchFinder = 1, </b>/* Never use row matchfinder */<b>
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ZSTD_urm_disableRowMatchFinder = 1, </b>/* Never use row matchfinder */<b>
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32
lib/zstd.h
32
lib/zstd.h
@ -266,15 +266,6 @@ typedef enum { ZSTD_fast=1,
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Only the order (from fast to strong) is guaranteed */
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Only the order (from fast to strong) is guaranteed */
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} ZSTD_strategy;
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} ZSTD_strategy;
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typedef enum {
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ZSTD_lcm_auto = 0, /**< Automatically determine the compression mode based on the compression level.
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* Negative compression levels will be uncompressed, and positive compression
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* levels will be compressed. */
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ZSTD_lcm_huffman = 1, /**< Always attempt Huffman compression. Uncompressed literals will still be
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* emitted if Huffman compression is not profitable. */
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ZSTD_lcm_uncompressed = 2 /**< Always emit uncompressed literals. */
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} ZSTD_literalCompressionMode_e; /* Requires v1.5.0+ */
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typedef enum {
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typedef enum {
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/* compression parameters
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/* compression parameters
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@ -340,12 +331,6 @@ typedef enum {
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* The higher the value of selected strategy, the more complex it is,
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* The higher the value of selected strategy, the more complex it is,
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* resulting in stronger and slower compression.
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* resulting in stronger and slower compression.
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* Special: value 0 means "use default strategy". */
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* Special: value 0 means "use default strategy". */
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ZSTD_c_literalCompressionMode=108, /* Note : requires v1.5.0+
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* Controls how the literals are compressed (default is auto).
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* The value must be of type ZSTD_literalCompressionMode_e.
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* See ZSTD_literalCompressionMode_e enum definition for details.
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*/
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/* LDM mode parameters */
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/* LDM mode parameters */
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ZSTD_c_enableLongDistanceMatching=160, /* Enable long distance matching.
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ZSTD_c_enableLongDistanceMatching=160, /* Enable long distance matching.
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* This parameter is designed to improve compression ratio
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* This parameter is designed to improve compression ratio
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@ -424,6 +409,7 @@ typedef enum {
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* ZSTD_c_format
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* ZSTD_c_format
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* ZSTD_c_forceMaxWindow
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* ZSTD_c_forceMaxWindow
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* ZSTD_c_forceAttachDict
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* ZSTD_c_forceAttachDict
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* ZSTD_c_literalCompressionMode
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* ZSTD_c_targetCBlockSize
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* ZSTD_c_targetCBlockSize
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* ZSTD_c_srcSizeHint
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* ZSTD_c_srcSizeHint
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* ZSTD_c_enableDedicatedDictSearch
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* ZSTD_c_enableDedicatedDictSearch
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@ -441,6 +427,7 @@ typedef enum {
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ZSTD_c_experimentalParam2=10,
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ZSTD_c_experimentalParam2=10,
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ZSTD_c_experimentalParam3=1000,
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ZSTD_c_experimentalParam3=1000,
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ZSTD_c_experimentalParam4=1001,
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ZSTD_c_experimentalParam4=1001,
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ZSTD_c_experimentalParam5=1002,
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ZSTD_c_experimentalParam6=1003,
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ZSTD_c_experimentalParam6=1003,
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ZSTD_c_experimentalParam7=1004,
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ZSTD_c_experimentalParam7=1004,
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ZSTD_c_experimentalParam8=1005,
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ZSTD_c_experimentalParam8=1005,
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@ -1305,6 +1292,15 @@ typedef enum {
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ZSTD_dictForceLoad = 3 /* Always reload the dictionary */
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ZSTD_dictForceLoad = 3 /* Always reload the dictionary */
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} ZSTD_dictAttachPref_e;
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} ZSTD_dictAttachPref_e;
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typedef enum {
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ZSTD_lcm_auto = 0, /**< Automatically determine the compression mode based on the compression level.
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* Negative compression levels will be uncompressed, and positive compression
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* levels will be compressed. */
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ZSTD_lcm_huffman = 1, /**< Always attempt Huffman compression. Uncompressed literals will still be
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* emitted if Huffman compression is not profitable. */
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ZSTD_lcm_uncompressed = 2 /**< Always emit uncompressed literals. */
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} ZSTD_literalCompressionMode_e;
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typedef enum {
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typedef enum {
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ZSTD_urm_auto = 0, /* Automatically determine whether or not we use row matchfinder */
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ZSTD_urm_auto = 0, /* Automatically determine whether or not we use row matchfinder */
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ZSTD_urm_disableRowMatchFinder = 1, /* Never use row matchfinder */
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ZSTD_urm_disableRowMatchFinder = 1, /* Never use row matchfinder */
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@ -1716,6 +1712,12 @@ ZSTDLIB_API size_t ZSTD_CCtx_refPrefix_advanced(ZSTD_CCtx* cctx, const void* pre
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* See the comments on that enum for an explanation of the feature. */
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* See the comments on that enum for an explanation of the feature. */
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#define ZSTD_c_forceAttachDict ZSTD_c_experimentalParam4
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#define ZSTD_c_forceAttachDict ZSTD_c_experimentalParam4
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/* Controls how the literals are compressed (default is auto).
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* The value must be of type ZSTD_literalCompressionMode_e.
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* See ZSTD_literalCompressionMode_e enum definition for details.
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*/
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#define ZSTD_c_literalCompressionMode ZSTD_c_experimentalParam5
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/* Tries to fit compressed block size to be around targetCBlockSize.
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/* Tries to fit compressed block size to be around targetCBlockSize.
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* No target when targetCBlockSize == 0.
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* No target when targetCBlockSize == 0.
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* There is no guarantee on compressed block size (default:0) */
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* There is no guarantee on compressed block size (default:0) */
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