45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
|
// StreamUtils.cpp
|
||
|
|
|
||
|
|
#include "StdAfx.h"
|
||
|
|
|
||
|
|
#include "../../Common/MyCom.h"
|
||
|
|
#include "StreamUtils.h"
|
||
|
|
|
||
|
|
HRESULT ReadStream(ISequentialInStream *stream, void *data, UInt32 size, UInt32 *processedSize)
|
||
|
|
{
|
||
|
|
if (processedSize != 0)
|
||
|
|
*processedSize = 0;
|
||
|
|
while(size != 0)
|
||
|
|
{
|
||
|
|
UInt32 processedSizeLoc;
|
||
|
|
HRESULT res = stream->Read(data, size, &processedSizeLoc);
|
||
|
|
if (processedSize != 0)
|
||
|
|
*processedSize += processedSizeLoc;
|
||
|
|
data = (Byte *)((Byte *)data + processedSizeLoc);
|
||
|
|
size -= processedSizeLoc;
|
||
|
|
RINOK(res);
|
||
|
|
if (processedSizeLoc == 0)
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT WriteStream(ISequentialOutStream *stream, const void *data, UInt32 size, UInt32 *processedSize)
|
||
|
|
{
|
||
|
|
if (processedSize != 0)
|
||
|
|
*processedSize = 0;
|
||
|
|
while(size != 0)
|
||
|
|
{
|
||
|
|
UInt32 processedSizeLoc;
|
||
|
|
HRESULT res = stream->Write(data, size, &processedSizeLoc);
|
||
|
|
if (processedSize != 0)
|
||
|
|
*processedSize += processedSizeLoc;
|
||
|
|
data = (const void *)((const Byte *)data + processedSizeLoc);
|
||
|
|
size -= processedSizeLoc;
|
||
|
|
RINOK(res);
|
||
|
|
if (processedSizeLoc == 0)
|
||
|
|
return E_FAIL;
|
||
|
|
}
|
||
|
|
return S_OK;
|
||
|
|
}
|