1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
// LockedStream.cpp
#include "StdAfx.h"
#include "LockedStream.h"
HRESULT CLockedInStream::Read(UInt64 startPos, void *data, UInt32 size,
UInt32 *processedSize)
{
NWindows::NSynchronization::CCriticalSectionLock lock(_criticalSection);
RINOK(_stream->Seek(startPos, STREAM_SEEK_SET, NULL));
return _stream->Read(data, size, processedSize);
}
HRESULT CLockedInStream::ReadPart(UInt64 startPos, void *data, UInt32 size,
UInt32 *processedSize)
{
NWindows::NSynchronization::CCriticalSectionLock lock(_criticalSection);
RINOK(_stream->Seek(startPos, STREAM_SEEK_SET, NULL));
return _stream->ReadPart(data, size, processedSize);
}
STDMETHODIMP CLockedSequentialInStreamImp::Read(void *data, UInt32 size, UInt32 *processedSize)
{
UInt32 realProcessedSize = 0;
HRESULT result = _lockedInStream->Read(_pos, data, size, &realProcessedSize);
_pos += realProcessedSize;
if (processedSize != NULL)
*processedSize = realProcessedSize;
return result;
}
STDMETHODIMP CLockedSequentialInStreamImp::ReadPart(void *data, UInt32 size, UInt32 *processedSize)
{
UInt32 realProcessedSize = 0;
HRESULT result = _lockedInStream->ReadPart(_pos, data, size, &realProcessedSize);
_pos += realProcessedSize;
if (processedSize != NULL)
*processedSize = realProcessedSize;
return result;
}
|
