public static void ZSTD_copyDDictParameters(ZSTD_DCtx_s *dctx, ZSTD_DDict_s *ddict)
{
assert(dctx != null);
assert(ddict != null);
dctx->dictID = ddict->dictID;
dctx->prefixStart = ddict->dictContent;
dctx->virtualStart = ddict->dictContent;
dctx->dictEnd = (byte *)(ddict->dictContent) + ddict->dictSize;
dctx->previousDstEnd = dctx->dictEnd;
if (ddict->entropyPresent != 0)
{
dctx->litEntropy = 1;
dctx->fseEntropy = 1;
dctx->LLTptr = ddict->entropy.LLTable;
dctx->MLTptr = ddict->entropy.MLTable;
dctx->OFTptr = ddict->entropy.OFTable;
dctx->HUFptr = ddict->entropy.hufTable;
dctx->entropy.rep[0] = ddict->entropy.rep[0];
dctx->entropy.rep[1] = ddict->entropy.rep[1];
dctx->entropy.rep[2] = ddict->entropy.rep[2];
}
else
{
dctx->litEntropy = 0;
dctx->fseEntropy = 0;
}
}
private void ReleaseUnmanagedResources()
{
if (dctx != null)
{
Methods.ZSTD_freeDCtx(dctx);
dctx = null;
}
}
public Decompressor()
{
dctx = Methods.ZSTD_createDCtx();
if (dctx == null)
{
throw new ZstdException(ZSTD_ErrorCode.ZSTD_error_GENERIC, "Failed to create dctx");
}
}
public void Setup()
{
cCtx = Methods.ZSTD_createCCtx();
dCtx = Methods.ZSTD_createDCtx();
cCtxNative = ExternMethods.ZSTD_createCCtx();
dCtxNative = ExternMethods.ZSTD_createDCtx();
src = File.ReadAllBytes("dickens");
dest = new byte[Methods.ZSTD_compressBound((nuint)src.Length)];
uncompressed = new byte[src.Length];
fixed(byte *dstPtr = dest)
fixed(byte *srcPtr = src)
{
compressedLength = ExternMethods.ZSTD_compressCCtx(cCtxNative, (IntPtr)dstPtr, (nuint)dest.Length,
(IntPtr)srcPtr, (nuint)src.Length,
level);
}
}