You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
2.1 KiB
88 lines
2.1 KiB
//+---------------------------------------------------------------------------
|
|
//
|
|
// Microsoft Windows
|
|
// Copyright (C) Microsoft Corporation, 1992 - 1995.
|
|
//
|
|
// File: CLOCKBYT.CXX
|
|
//
|
|
// Contents:
|
|
//
|
|
// Classes: Implements the ILockBytes base class.
|
|
//
|
|
// Functions:
|
|
//
|
|
// History: 12-01-95 JoeS (Joe Souza) Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
#include <urlint.h>
|
|
#include <urlmon.hxx>
|
|
#include "clockbyt.hxx"
|
|
|
|
CLockBytes::CLockBytes() : _CRefs()
|
|
{
|
|
}
|
|
|
|
STDMETHODIMP CLockBytes::QueryInterface
|
|
(REFIID riid, LPVOID FAR* ppvObj)
|
|
{
|
|
VDATETHIS(this);
|
|
UrlMkDebugOut((DEB_ILOCKBYTES, "%p IN CLockBytes::QueryInterface\n", this));
|
|
|
|
HRESULT hresult = NOERROR;
|
|
|
|
if ( IsEqualIID(riid, IID_IUnknown)
|
|
|| IsEqualIID(riid, IID_ILockBytes)
|
|
)
|
|
{
|
|
*ppvObj = this;
|
|
}
|
|
else
|
|
{
|
|
*ppvObj = NULL;
|
|
hresult = E_NOINTERFACE;
|
|
}
|
|
|
|
if (*ppvObj)
|
|
AddRef();
|
|
|
|
UrlMkDebugOut((DEB_ILOCKBYTES, "%p OUT CLockBytes::QueryInterface\n", this));
|
|
return hresult;
|
|
}
|
|
|
|
STDMETHODIMP_(ULONG) CLockBytes::AddRef(void)
|
|
{
|
|
VDATETHIS(this);
|
|
UrlMkDebugOut((DEB_ILOCKBYTES, "%p IN CLockBytes::AddRef\n", this));
|
|
|
|
LONG lRet = ++_CRefs;
|
|
|
|
UrlMkDebugOut((DEB_ILOCKBYTES, "%p OUT CLockBytes::AddRef\n", this));
|
|
return lRet;
|
|
}
|
|
|
|
HRESULT CLockBytes::Flush()
|
|
{
|
|
UrlMkDebugOut((DEB_ILOCKBYTES, "%p CLockBytes::Flush (NoOp)\n", this));
|
|
return(NOERROR);
|
|
}
|
|
|
|
HRESULT CLockBytes::LockRegion(THIS_ ULARGE_INTEGER libOffset, ULARGE_INTEGER cb,
|
|
DWORD dwLockType)
|
|
{
|
|
UrlMkDebugOut((DEB_ILOCKBYTES, "%p CLockBytes::LockRegion (NoOp)\n", this));
|
|
return(NOERROR);
|
|
}
|
|
|
|
HRESULT CLockBytes::UnlockRegion(THIS_ ULARGE_INTEGER libOffset,
|
|
ULARGE_INTEGER cb, DWORD dwLockType)
|
|
{
|
|
UrlMkDebugOut((DEB_ILOCKBYTES, "%p CLockBytes::UnlockRegion (NoOp)\n", this));
|
|
return(NOERROR);
|
|
}
|
|
|
|
HRESULT CLockBytes::Stat(THIS_ STATSTG FAR *pStatStg, DWORD grfStatFlag)
|
|
{
|
|
UrlMkDebugOut((DEB_ILOCKBYTES, "%p CLockBytes::Stat (NoOp)\n", this));
|
|
return(STG_E_UNKNOWN);
|
|
}
|
|
|