ddidderr/zstd-rs
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Decompressed size functions now handle multiframes and distinguish cases

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- Add ZSTD_findDecompressedSize
    - Traverses multiple frames to find total output size
- Add ZSTD_getFrameContentSize
    - Gets the decompressed size of a single frame by reading header
- Deprecate ZSTD_getDecompressedSize
This commit is contained in:
Sean Purcell
2017-02-08 14:50:10 -08:00
parent 60259eb9a0
commit 4e709712e1
24 changed files with 496 additions and 16 deletions
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programs/bench.c
+2 -2
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@@ -184,7 +184,7 @@ static int BMK_benchMem(const void* srcBuffer, size_t srcSize,
U64 dSize64 = 0;
U32 fileNb;
for (fileNb=0; fileNb<nbFiles; fileNb++) {
U64 const fSize64 = ZSTD_getDecompressedSize(srcPtr, fileSizes[fileNb]);
U64 const fSize64 = ZSTD_findDecompressedSize(srcPtr, fileSizes[fileNb]);
if (fSize64==0) EXM_THROW(32, "Impossible to determine original size ");
dSize64 += fSize64;
srcPtr += fileSizes[fileNb];
@@ -217,7 +217,7 @@ static int BMK_benchMem(const void* srcBuffer, size_t srcSize,
blockTable[nbBlocks].cRoom = g_decodeOnly ? thisBlockSize : ZSTD_compressBound(thisBlockSize);
blockTable[nbBlocks].cSize = blockTable[nbBlocks].cRoom;
blockTable[nbBlocks].resPtr = (void*)resPtr;
blockTable[nbBlocks].resSize = g_decodeOnly ? (size_t) ZSTD_getDecompressedSize(srcPtr, thisBlockSize) : thisBlockSize;
blockTable[nbBlocks].resSize = g_decodeOnly ? (size_t) ZSTD_findDecompressedSize(srcPtr, thisBlockSize) : thisBlockSize;
srcPtr += thisBlockSize;
cPtr += blockTable[nbBlocks].cRoom;
resPtr += thisBlockSize;