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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1996.
//
// File: privoa.h
//
// Contents: Definitions for OleAut32.dll wrappers
//
// Classes:
//
// History: 20-Jun-96 MikeHill Created.
// 06-May-98 MikeHill Added SafeArray wrappers.
//
// Notes:
// This file has macros, function prototypes, and global
// externs that enable the OleAut32 wrapper functions.
// These functions load OleAut32.dll if necessary, and forward
// the call.
//
//----------------------------------------------------------------------------
#ifndef _PRIV_OA_H_
#define _PRIV_OA_H_
// OleAut32 function prototypes
typedef BSTR (STDAPICALLTYPE SYS_ALLOC_STRING)(LPCOLESTR pwsz);typedef VOID (STDAPICALLTYPE SYS_FREE_STRING)(BSTR bstr);typedef BOOL (STDAPICALLTYPE SYS_REALLOC_STRING_LEN)(BSTR* pbstr, OLECHAR* pch, UINT cch);typedef UINT (STDAPICALLTYPE SYS_STRING_BYTE_LEN)(BSTR bstr);typedef UINT (STDAPICALLTYPE FNTYPE_SysStringLen)(BSTR bstr);
typedef HRESULT (STDAPICALLTYPE SAFE_ARRAY_ACCESS_DATA)(SAFEARRAY * psa, void HUGEP** ppvData);typedef HRESULT (STDAPICALLTYPE SAFE_ARRAY_GET_L_BOUND)(SAFEARRAY * psa, UINT nDim, LONG * plLbound);typedef UINT (STDAPICALLTYPE SAFE_ARRAY_GET_DIM)(SAFEARRAY * psa);typedef UINT (STDAPICALLTYPE SAFE_ARRAY_GET_ELEM_SIZE)(SAFEARRAY * psa);typedef HRESULT (STDAPICALLTYPE SAFE_ARRAY_GET_U_BOUND)(SAFEARRAY * psa, UINT nDim, LONG * plUbound);typedef HRESULT (STDAPICALLTYPE SAFE_ARRAY_UNACCESS_DATA)(SAFEARRAY * psa);typedef SAFEARRAY* (STDAPICALLTYPE SAFE_ARRAY_CREATE_EX)(VARTYPE vt, UINT cDims, SAFEARRAYBOUND * rgsabound, PVOID pvExtra);typedef HRESULT (STDAPICALLTYPE SAFE_ARRAY_GET_VARTYPE)(SAFEARRAY * psa, VARTYPE * pvt);
typedef SAFEARRAY* (STDAPICALLTYPE FNTYPE_SafeArrayCreate)(VARTYPE vt, UINT cDims, SAFEARRAYBOUND * rgsabound);typedef HRESULT (STDAPICALLTYPE FNTYPE_SafeArrayPutElement)(SAFEARRAY* psa, long* pIdx, void* pv );typedef HRESULT (STDAPICALLTYPE FNTYPE_SafeArrayDestroy)(SAFEARRAY* psa );
typedef void (STDAPICALLTYPE FNTYPE_VariantInit)(VARIANTARG * pvarg);typedef HRESULT (STDAPICALLTYPE FNTYPE_VariantClear)(VARIANTARG * pvarg);typedef HRESULT (STDAPICALLTYPE FNTYPE_VariantCopy)(VARIANTARG * pvargDest, VARIANTARG * pvargSrc);typedef HRESULT (STDAPICALLTYPE FNTYPE_VariantChangeTypeEx)(VARIANTARG * pvargDest, VARIANTARG * pvarSrc, LCID lcid, USHORT wFlags, VARTYPE vt);
typedef unsigned long BSTR_USER_SIZE ( unsigned long __RPC_FAR *, unsigned long , BSTR __RPC_FAR * ); typedef unsigned char __RPC_FAR * BSTR_USER_MARSHAL ( unsigned long __RPC_FAR *, unsigned char __RPC_FAR*, BSTR __RPC_FAR * ); typedef unsigned char __RPC_FAR * BSTR_USER_UNMARSHAL (unsigned long __RPC_FAR *, unsigned char __RPC_FAR *, BSTR __RPC_FAR * ); typedef void BSTR_USER_FREE ( unsigned long __RPC_FAR *, BSTR __RPC_FAR * );
typedef unsigned long LPSAFEARRAY_USER_SIZE ( unsigned long __RPC_FAR *, unsigned long , LPSAFEARRAY __RPC_FAR * ); typedef unsigned char __RPC_FAR * LPSAFEARRAY_USER_MARSHAL ( unsigned long __RPC_FAR *, unsigned char __RPC_FAR *, LPSAFEARRAY __RPC_FAR * ); typedef unsigned char __RPC_FAR * LPSAFEARRAY_USER_UNMARSHAL (unsigned long __RPC_FAR *, unsigned char __RPC_FAR *, LPSAFEARRAY __RPC_FAR * ); typedef void LPSAFEARRAY_USER_FREE ( unsigned long __RPC_FAR *, LPSAFEARRAY __RPC_FAR * );
// The Wrapper routines, and function pointers for them.
#define DECLARE_OLEAUT_FUNCTION( fname ) \
FNTYPE_##fname Load##fname; \ EXTERN_C FNTYPE_##fname *pfn##fname;
SYS_ALLOC_STRING LoadSysAllocString;EXTERN_C SYS_ALLOC_STRING *pfnSysAllocString;
SYS_FREE_STRING LoadSysFreeString;EXTERN_C SYS_FREE_STRING *pfnSysFreeString;
SYS_REALLOC_STRING_LEN LoadSysReAllocStringLen;EXTERN_C SYS_REALLOC_STRING_LEN *pfnSysReAllocStringLen;
SYS_STRING_BYTE_LEN LoadSysStringByteLen;EXTERN_C SYS_STRING_BYTE_LEN *pfnSysStringByteLen;
DECLARE_OLEAUT_FUNCTION( SysStringLen );
SAFE_ARRAY_ACCESS_DATA LoadSafeArrayAccessData;EXTERN_C SAFE_ARRAY_ACCESS_DATA *pfnSafeArrayAccessData;
SAFE_ARRAY_GET_L_BOUND LoadSafeArrayGetLBound;EXTERN_C SAFE_ARRAY_GET_L_BOUND *pfnSafeArrayGetLBound;
SAFE_ARRAY_GET_DIM LoadSafeArrayGetDim;EXTERN_C SAFE_ARRAY_GET_DIM *pfnSafeArrayGetDim;
SAFE_ARRAY_GET_ELEM_SIZE LoadSafeArrayGetElemsize;EXTERN_C SAFE_ARRAY_GET_ELEM_SIZE *pfnSafeArrayGetElemsize;
SAFE_ARRAY_GET_U_BOUND LoadSafeArrayGetUBound;EXTERN_C SAFE_ARRAY_GET_U_BOUND *pfnSafeArrayGetUBound;
SAFE_ARRAY_GET_VARTYPE LoadSafeArrayGetVartype;EXTERN_C SAFE_ARRAY_GET_VARTYPE *pfnSafeArrayGetVartype;
SAFE_ARRAY_UNACCESS_DATA LoadSafeArrayUnaccessData;EXTERN_C SAFE_ARRAY_UNACCESS_DATA *pfnSafeArrayUnaccessData;
SAFE_ARRAY_CREATE_EX LoadSafeArrayCreateEx;EXTERN_C SAFE_ARRAY_CREATE_EX *pfnSafeArrayCreateEx;
DECLARE_OLEAUT_FUNCTION( SafeArrayCreate );DECLARE_OLEAUT_FUNCTION( SafeArrayPutElement );DECLARE_OLEAUT_FUNCTION( SafeArrayDestroy );
DECLARE_OLEAUT_FUNCTION( VariantClear );DECLARE_OLEAUT_FUNCTION( VariantInit );DECLARE_OLEAUT_FUNCTION( VariantCopy );DECLARE_OLEAUT_FUNCTION( VariantChangeTypeEx );
EXTERN_C BSTR_USER_SIZE LoadBSTR_UserSize;EXTERN_C BSTR_USER_SIZE *pfnBSTR_UserSize;
EXTERN_C BSTR_USER_MARSHAL LoadBSTR_UserMarshal;EXTERN_C BSTR_USER_MARSHAL *pfnBSTR_UserMarshal;
EXTERN_C BSTR_USER_UNMARSHAL LoadBSTR_UserUnmarshal;EXTERN_C BSTR_USER_UNMARSHAL *pfnBSTR_UserUnmarshal;
EXTERN_C BSTR_USER_FREE LoadBSTR_UserFree;EXTERN_C BSTR_USER_FREE *pfnBSTR_UserFree;
EXTERN_C LPSAFEARRAY_USER_SIZE LoadLPSAFEARRAY_UserSize;EXTERN_C LPSAFEARRAY_USER_SIZE *pfnLPSAFEARRAY_UserSize;
EXTERN_C LPSAFEARRAY_USER_MARSHAL LoadLPSAFEARRAY_UserMarshal;EXTERN_C LPSAFEARRAY_USER_MARSHAL *pfnLPSAFEARRAY_UserMarshal;
EXTERN_C LPSAFEARRAY_USER_UNMARSHAL LoadLPSAFEARRAY_UserUnmarshal;EXTERN_C LPSAFEARRAY_USER_UNMARSHAL *pfnLPSAFEARRAY_UserUnmarshal;
EXTERN_C LPSAFEARRAY_USER_FREE LoadLPSAFEARRAY_UserFree;EXTERN_C LPSAFEARRAY_USER_FREE *pfnLPSAFEARRAY_UserFree;
// Macros to ease the calling of the above function pointers
#define PrivSysAllocString(pwsz) (*pfnSysAllocString)(pwsz)
#define PrivSysFreeString(bstr) (*pfnSysFreeString)(bstr)
#define PrivSysReAllocStringLen(pbstr,olestr,ui) (*pfnSysReAllocStringLen)(pbstr, olestr, ui)
#define PrivSysStringByteLen(pbstr) (*pfnSysStringByteLen)(pbstr)
#define PrivSysStringLen(pbstr) (*pfnSysStringByteLen)(pbstr)
#define PrivSafeArrayAccessData(psa,ppvData) (*pfnSafeArrayAccessData)(psa, ppvData )
#define PrivSafeArrayGetLBound(psa,nDim, plLbound) (*pfnSafeArrayGetLBound)( psa, nDim, plLbound )
#define PrivSafeArrayGetDim(psa) (*pfnSafeArrayGetDim)( psa )
#define PrivSafeArrayGetElemsize(psa) (*pfnSafeArrayGetElemsize)( psa )
#define PrivSafeArrayGetUBound(psa,nDim, plUbound) (*pfnSafeArrayGetUBound)( psa, nDim, plUbound )
#define PrivSafeArrayGetVartype(psa, pvt) (*pfnSafeArrayGetVartype)( psa, pvt )
#define PrivSafeArrayUnaccessData(psa) (*pfnSafeArrayUnaccessData)( psa )
#define PrivSafeArrayCreateEx(vt,cDims,rgsabound,pvExtra) \
(*pfnSafeArrayCreateEx)(vt, cDims, rgsabound, pvExtra)#define PrivSafeArrayCreate(vt,cDims,rgsabound) (*pfnSafeArrayCreate)(vt, cDims, rgsabound)
#define PrivSafeArrayPutElement(psa, pIdx, pv) (*pfnSafeArrayPutElement)(psa, pIdx, pv)
#define PrivSafeArrayDestroy( psa ) (*pfnSafeArrayDestroy)(psa)
#define PrivVariantClear(pvarg) (*pfnVariantClear)( pvarg )
#define PrivVariantInit(pvarg) (*pfnVariantInit)(pvarg)
#define PrivVariantCopy(pvargDest,pvargSrc) (*pfnVariantCopy)( pvargDest, pvargSrc )
#define PrivVariantChangeTypeEx(pvargDest,pvarSrc,lcid,wFlags,vt) \
(*pfnVariantChangeTypeEx)( pvargDest, pvarSrc, lcid, wFlags, vt )
#endif // ! _PRIV_OA_H_
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