windows-nt/Source/XPSP1/NT/com/ole32/stg/ref/h/docfilep.hxx
2020-09-26 16:20:57 +08:00

41 lines
1.1 KiB
C++

//+--------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1996.
//
// File: docfilep.hxx
//
// Contents: Private DocFile definitions
//
//---------------------------------------------------------------
#ifndef __DOCFILEP_HXX__
#define __DOCFILEP_HXX__
#define CWCMAXPATHCOMPLEN CWCSTREAMNAME
#define CBMAXPATHCOMPLEN (CWCMAXPATHCOMPLEN*sizeof(WCHAR))
// Common bundles of STGM flags
#define STGM_RDWR (STGM_READ | STGM_WRITE | STGM_READWRITE)
#define STGM_DENY (STGM_SHARE_DENY_NONE | STGM_SHARE_DENY_READ | \
STGM_SHARE_DENY_WRITE | STGM_SHARE_EXCLUSIVE)
#define VALID_IFTHERE(it) \
((it) == STG_FAILIFTHERE || (it) == STG_CREATEIFTHERE || \
(it) == STG_CONVERTIFTHERE)
#define VALID_COMMIT(cf) \
(((cf) & ~(STGC_OVERWRITE | STGC_ONLYIFCURRENT | \
STGC_DANGEROUSLYCOMMITMERELYTODISKCACHE)) == 0)
#define VALID_LOCKTYPE(lt) \
((lt) == LOCK_WRITE || (lt) == LOCK_EXCLUSIVE || \
(lt) == LOCK_ONLYONCE)
#define FLUSH_CACHE(cf) \
((cf & STGC_DANGEROUSLYCOMMITMERELYTODISKCACHE) == 0)
#endif