misc/libphysfs/lzma/CPP/7zip/Common/StreamUtils.cpp
author Wuzzy <almikes@aol.com>
Sat, 15 Apr 2017 23:21:13 +0200
changeset 12265 0641da8c22ee
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permissions -rw-r--r--
Add two main menu tips regarding mission panel
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// StreamUtils.cpp
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#include "StdAfx.h"
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#include "../../Common/MyCom.h"
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#include "StreamUtils.h"
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HRESULT ReadStream(ISequentialInStream *stream, void *data, UInt32 size, UInt32 *processedSize)
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{
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  if (processedSize != 0)
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    *processedSize = 0;
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  while(size != 0)
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  {
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    UInt32 processedSizeLoc; 
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    HRESULT res = stream->Read(data, size, &processedSizeLoc);
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    if (processedSize != 0)
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      *processedSize += processedSizeLoc;
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    data = (Byte *)((Byte *)data + processedSizeLoc);
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    size -= processedSizeLoc;
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    RINOK(res);
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    if (processedSizeLoc == 0)
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      return S_OK;
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  }
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  return S_OK;
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}
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HRESULT WriteStream(ISequentialOutStream *stream, const void *data, UInt32 size, UInt32 *processedSize)
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{
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  if (processedSize != 0)
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    *processedSize = 0;
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  while(size != 0)
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  {
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    UInt32 processedSizeLoc; 
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    HRESULT res = stream->Write(data, size, &processedSizeLoc);
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    if (processedSize != 0)
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      *processedSize += processedSizeLoc;
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    data = (const void *)((const Byte *)data + processedSizeLoc);
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    size -= processedSizeLoc;
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    RINOK(res);
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    if (processedSizeLoc == 0)
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      return E_FAIL;
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  }
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  return S_OK;
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}