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added : streaming decompression API

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This commit is contained in:
Yann Collet
2016-08-12 13:04:27 +02:00
parent 5a0c8e2439
commit 104e5b072d
3 changed files with 259 additions and 4 deletions
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13
lib/compress/zstd_compress.c
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@@ -2758,7 +2758,9 @@ ZSTDLIB_API size_t ZSTD_compress_usingCDict(ZSTD_CCtx* cctx,
/*-====== Streaming ======-*/
/* ******************************************************************
* Streaming
********************************************************************/
typedef enum { zcss_init, zcss_load, zcss_flush, zcss_final } ZSTD_cStreamStage;
@@ -2815,7 +2817,10 @@ size_t ZSTD_freeCStream(ZSTD_CStream* zcs)
}
/* Initialization */
/*====== Initialization ======*/
size_t ZSTD_CStreamInSize(void) { return ZSTD_BLOCKSIZE_ABSOLUTEMAX; }
size_t ZSTD_CStreamOutSize(void) { return ZSTD_compressBound(ZSTD_BLOCKSIZE_ABSOLUTEMAX) + ZSTD_blockHeaderSize + 4 /* 32-bits hash */ ; }
size_t ZSTD_initCStream_advanced(ZSTD_CStream* zcs,
const void* dict, size_t dictSize,
@@ -2863,7 +2868,7 @@ size_t ZSTD_initCStream(ZSTD_CStream* zcs, int compressionLevel)
}
/* Compression */
/*====== Compression ======*/
typedef enum { zsf_gather, zsf_flush, zsf_end } ZSTD_flush_e;
@@ -2969,7 +2974,7 @@ size_t ZSTD_compressStream(ZSTD_CStream* zcs, ZSTD_wCursor* output, ZSTD_rCursor
}
/* Finalize */
/*====== Finalize ======*/
/*! ZSTD_flushStream() :
* @return : amount of data remaining to flush */