ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Basic implementation of IStream:Clone.

This commit is contained in:
Bill Medland 2001-09-10 23:14:39 +00:00 committed by Alexandre Julliard
parent 0a64cc6992
commit 548d8a2a07
1 changed files with 36 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
dlls/ole32/stg_stream.c
View File

@ -826,10 +826,44 @@ HRESULT WINAPI StgStreamImpl_Stat(
return E_FAIL;
}
/***
* This method is part of the IStream interface.
*
* This method returns a clone of the interface that allows for
* another seek pointer
*
* See the documentation of IStream for more info.
*
* I am not totally sure what I am doing here but I presume that this
* should be basically as simple as creating a new stream with the same
* parent etc and positioning its seek cursor.
*/
HRESULT WINAPI StgStreamImpl_Clone(
IStream* iface,
IStream** ppstm) /* [out] */
{
FIXME("not implemented!\n");
return E_NOTIMPL;
StgStreamImpl* const This=(StgStreamImpl*)iface;
HRESULT hres;
StgStreamImpl* new_stream;
LARGE_INTEGER seek_pos;
/*
* Sanity check
*/
if ( ppstm == 0 )
return STG_E_INVALIDPOINTER;
new_stream = StgStreamImpl_Construct (This->parentStorage, This->grfMode, This->ownerProperty);
if (!new_stream)
return STG_E_INSUFFICIENTMEMORY; /* Currently the only reason for new_stream=0 */
*ppstm = (IStream*) new_stream;
seek_pos.QuadPart = This->currentPosition.QuadPart;
hres=StgStreamImpl_Seek (*ppstm, seek_pos, STREAM_SEEK_SET, NULL);
assert (SUCCEEDED(hres));
return S_OK;
}