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Added ZSTDMT_initCStream_advanced() variant

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Correctly compress with custom params and dictionary
Added relevant fuzzer test in zstreamtest

Also :
new macro ZSTDMT_SECTION_LOGSIZE_MIN, which sets a minimum size for a full job
(note : a flush() command can still generate a partial job anytime)
This commit is contained in:
Yann Collet
2017-01-19 15:32:07 -08:00
parent 0f984d94c4
commit 19d670ba9d
4 changed files with 66 additions and 22 deletions
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lib/compress/zstdmt_compress.h
+7 -2
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@@ -1,6 +1,7 @@
/* === Dependencies === */
#include <stddef.h> /* size_t */
#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_parameters */
#include "zstd.h" /* ZSTD_inBuffer, ZSTD_outBuffer */
@@ -19,6 +20,10 @@ size_t ZSTDMT_compressCCtx(ZSTDMT_CCtx* cctx,
/* === Streaming functions === */
size_t ZSTDMT_initCStream(ZSTDMT_CCtx* zcs, int compressionLevel);
size_t ZSTDMT_initCStream_advanced(ZSTDMT_CCtx* zcs, const void* dict, size_t dictSize,
ZSTD_parameters params, unsigned long long pledgedSrcSize); /**< pledgedSrcSize is optional and can be zero == unknown ; current limitation : no checksum */
size_t ZSTDMT_compressStream(ZSTDMT_CCtx* zcs, ZSTD_outBuffer* output, ZSTD_inBuffer* input);
size_t ZSTDMT_flushStream(ZSTDMT_CCtx* zcs, ZSTD_outBuffer* output);
size_t ZSTDMT_endStream(ZSTDMT_CCtx* zcs, ZSTD_outBuffer* output);
size_t ZSTDMT_flushStream(ZSTDMT_CCtx* zcs, ZSTD_outBuffer* output); /**< @return : 0 == all flushed; >0 : still some data to be flushed; or an error code (ZSTD_isError()) */
size_t ZSTDMT_endStream(ZSTDMT_CCtx* zcs, ZSTD_outBuffer* output); /**< @return : 0 == all flushed; >0 : still some data to be flushed; or an error code (ZSTD_isError()) */