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shcore/stream: Implement generic CopyTo().
Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
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@ -695,20 +695,54 @@ static HRESULT WINAPI memstream_SetSize(IStream *iface, ULARGE_INTEGER new_size)
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return S_OK;
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}
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static HRESULT WINAPI shstream_CopyTo(IStream *iface, IStream *pstm, ULARGE_INTEGER size, ULARGE_INTEGER *read_len, ULARGE_INTEGER *written)
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static HRESULT WINAPI shstream_CopyTo(IStream *iface, IStream *dest, ULARGE_INTEGER size,
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ULARGE_INTEGER *read_len, ULARGE_INTEGER *written)
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{
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struct shstream *stream = impl_from_IStream(iface);
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ULARGE_INTEGER total_read, total_written;
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HRESULT hr = S_OK;
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BYTE buffer[0x400];
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TRACE("(%p)\n", stream);
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TRACE("(%p, %p, %s, %p, %p)\n", stream, dest, wine_dbgstr_longlong(size.QuadPart), read_len, written);
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if (!dest)
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return E_POINTER;
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total_read.QuadPart = 0;
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total_written.QuadPart = 0;
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while (size.QuadPart > 0)
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{
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ULONG chunk_size = size.QuadPart >= sizeof(buffer) ? sizeof(buffer) : size.u.LowPart;
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ULONG chunk_read, chunk_written;
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hr = IStream_Read(iface, buffer, chunk_size, &chunk_read);
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if (FAILED(hr))
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break;
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total_read.QuadPart += chunk_read;
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if (chunk_read)
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{
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hr = IStream_Write(dest, buffer, chunk_read, &chunk_written);
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if (FAILED(hr))
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break;
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total_written.QuadPart += chunk_written;
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}
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if (chunk_read != chunk_size)
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size.QuadPart = 0;
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else
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size.QuadPart -= chunk_read;
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}
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if (read_len)
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read_len->QuadPart = 0;
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read_len->QuadPart = total_read.QuadPart;
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if (written)
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written->QuadPart = 0;
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written->QuadPart = total_written.QuadPart;
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/* TODO implement */
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return E_NOTIMPL;
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return hr;
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}
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static HRESULT WINAPI shstream_Commit(IStream *iface, DWORD flags)
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