windows-nt/Source/XPSP1/NT/com/ole32/stg/simp/simpdf.cxx

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2020-09-26 03:20:57 -05:00
//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1994.
//
// File: simpdf.cxx
//
// Contents: StdDocfile implementation
//
// Classes:
//
// Functions:
//
// History: 04-Aug-94 PhilipLa Created
//
//----------------------------------------------------------------------------
#include "simphead.cxx"
#pragma hdrstop
#if DBG == 1
DECLARE_INFOLEVEL(simp)
#endif
//+---------------------------------------------------------------------------
//
// Function: DfCreateSimpDocfile, private
//
// Synopsis:
//
// Arguments:
//
// Returns: Appropriate status code
//
// Modifies:
//
// History: 04-Aug-94 PhilipLa Created
//
// Notes:
//
//----------------------------------------------------------------------------
SCODE DfCreateSimpDocfile(WCHAR const *pwcsName,
DWORD grfMode,
DWORD reserved,
IStorage **ppstgOpen)
{
SCODE sc;
CSimpStorage *pstg;
if (grfMode !=
(STGM_SIMPLE | STGM_READWRITE | STGM_SHARE_EXCLUSIVE | STGM_CREATE))
return STG_E_INVALIDFLAG;
pstg = new CSimpStorage;
if (pstg == NULL)
{
return STG_E_INSUFFICIENTMEMORY;
}
sc = pstg->Init(pwcsName, NULL);
if (FAILED(sc))
{
pstg->Release();
pstg = NULL;
}
*ppstgOpen = pstg;
return sc;
}
#if WIN32 != 200
//+---------------------------------------------------------------------------
//
// Function: DfOpenSimpDocfile, private
//
// Synopsis: opens an existing docfile for reading
//
// Arguments: [pwcsName] name of docfile
// [grfMode] permission bits
// [reserved] must be zero
// [pstgOpen] opened storage pointer
//
// Returns: Appropriate status code
//
// History: 04-Aug-96 HenryLee Created
//
// Notes:
//
//----------------------------------------------------------------------------
SCODE DfOpenSimpDocfile(WCHAR const *pwcsName,
DWORD grfMode,
DWORD reserved,
IStorage **ppstgOpen)
{
SCODE sc = S_OK;
CSimpStorageOpen *pstg;
if (ppstgOpen == NULL)
return STG_E_INVALIDPARAMETER;
else
*ppstgOpen = NULL;
if (grfMode != (STGM_SIMPLE | STGM_READWRITE | STGM_SHARE_EXCLUSIVE) &&
grfMode != (STGM_SIMPLE | STGM_READ | STGM_SHARE_EXCLUSIVE))
return STG_E_INVALIDFLAG;
if ((pstg = new CSimpStorageOpen) == NULL)
{
return STG_E_INSUFFICIENTMEMORY;
}
if (FAILED(sc = pstg->Init(pwcsName, grfMode, NULL)))
{
pstg->Release();
pstg = NULL;
}
*ppstgOpen = pstg;
return sc;
}
#endif // WIN32 != 200