other-licenses/7zstub/src/7zip/Common/StreamUtils.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/other-licenses/7zstub/src/7zip/Common/StreamUtils.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,44 @@
     1.4 +// StreamUtils.cpp
     1.5 +
     1.6 +#include "StdAfx.h"
     1.7 +
     1.8 +#include "../../Common/MyCom.h"
     1.9 +#include "StreamUtils.h"
    1.10 +
    1.11 +HRESULT ReadStream(ISequentialInStream *stream, void *data, UInt32 size, UInt32 *processedSize)
    1.12 +{
    1.13 +  if (processedSize != 0)
    1.14 +    *processedSize = 0;
    1.15 +  while(size != 0)
    1.16 +  {
    1.17 +    UInt32 processedSizeLoc; 
    1.18 +    HRESULT res = stream->Read(data, size, &processedSizeLoc);
    1.19 +    if (processedSize != 0)
    1.20 +      *processedSize += processedSizeLoc;
    1.21 +    data = (Byte *)((Byte *)data + processedSizeLoc);
    1.22 +    size -= processedSizeLoc;
    1.23 +    RINOK(res);
    1.24 +    if (processedSizeLoc == 0)
    1.25 +      return S_OK;
    1.26 +  }
    1.27 +  return S_OK;
    1.28 +}
    1.29 +
    1.30 +HRESULT WriteStream(ISequentialOutStream *stream, const void *data, UInt32 size, UInt32 *processedSize)
    1.31 +{
    1.32 +  if (processedSize != 0)
    1.33 +    *processedSize = 0;
    1.34 +  while(size != 0)
    1.35 +  {
    1.36 +    UInt32 processedSizeLoc; 
    1.37 +    HRESULT res = stream->Write(data, size, &processedSizeLoc);
    1.38 +    if (processedSize != 0)
    1.39 +      *processedSize += processedSizeLoc;
    1.40 +    data = (const void *)((const Byte *)data + processedSizeLoc);
    1.41 +    size -= processedSizeLoc;
    1.42 +    RINOK(res);
    1.43 +    if (processedSizeLoc == 0)
    1.44 +      break;
    1.45 +  }
    1.46 +  return S_OK;
    1.47 +}

mercurial