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Make seekable streams work w/ small buffers, misc fixes

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Sean Purcell
2017-04-11 13:53:09 -07:00
parent c3ba15e48f
commit a3b7c22604
6 changed files with 110 additions and 55 deletions
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doc/zstd_manual.html
+3 -1
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@@ -687,6 +687,8 @@ size_t ZSTD_insertBlock(ZSTD_DCtx* dctx, const void* blockStart, size_t blockSiz
for a new compression operation.
`maxChunkSize` indicates the size at which to automatically start a new
seekable frame. `maxChunkSize == 0` implies the default maximum size.
`checksumFlag` indicates whether or not the seek table should include chunk
checksums on the uncompressed data for verification.
@return : a size hint for input to provide for compression, or an error code
checkable with ZSTD_isError()
@@ -714,7 +716,7 @@ size_t ZSTD_insertBlock(ZSTD_DCtx* dctx, const void* blockStart, size_t blockSiz
<h3>Seekable compressor management</h3><pre></pre><b><pre>ZSTD_seekable_CStream* ZSTD_seekable_createCStream(void);
size_t ZSTD_seekable_freeCStream(ZSTD_seekable_CStream* zcs);
</pre></b><BR>
<h3>Seekable compression functions</h3><pre></pre><b><pre>size_t ZSTD_seekable_initCStream(ZSTD_seekable_CStream* zcs, int compressionLevel, unsigned maxChunkSize);
<h3>Seekable compression functions</h3><pre></pre><b><pre>size_t ZSTD_seekable_initCStream(ZSTD_seekable_CStream* zcs, int compressionLevel, int checksumFlag, unsigned maxChunkSize);
size_t ZSTD_seekable_compressStream(ZSTD_seekable_CStream* zcs, ZSTD_outBuffer* output, ZSTD_inBuffer* input);
size_t ZSTD_seekable_endChunk(ZSTD_seekable_CStream* zcs, ZSTD_outBuffer* output);
size_t ZSTD_seekable_endStream(ZSTD_seekable_CStream* zcs, ZSTD_outBuffer* output);