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This commit is contained in:
Igor Pavlov
2015-10-05 00:00:00 +00:00
committed by Kornel Lesiński
parent f6444c3256
commit 6543c28020
113 changed files with 3101 additions and 382 deletions
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CPP/7zip/Archive/HandlerCont.cpp
+26
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@@ -227,4 +227,30 @@ STDMETHODIMP CHandlerImg::Extract(const UInt32 *indices, UInt32 numItems,
COM_TRY_END
}
HRESULT ReadZeroTail(ISequentialInStream *stream, bool &areThereNonZeros, UInt64 &numZeros, UInt64 maxSize)
{
areThereNonZeros = false;
numZeros = 0;
const size_t kBufSize = 1 << 11;
Byte buf[kBufSize];
for (;;)
{
UInt32 size = 0;
HRESULT(stream->Read(buf, kBufSize, &size));
if (size == 0)
return S_OK;
for (UInt32 i = 0; i < size; i++)
if (buf[i] != 0)
{
areThereNonZeros = true;
numZeros += i;
return S_OK;
}
numZeros += size;
if (numZeros > maxSize)
return S_OK;
}
}
}