wine/include/guiddef.h
Jacek Caban 51b75e9a53 guiddef.h: Improve __uuidof implementation.
This patch ensures that the reference is unique and identical for all
uses in module, fixes handling of const types and uses direct reference
instead of depending on optimizer to produce sane code.

Based on patch by Kevin Puetz.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2020-02-05 21:28:39 +01:00

186 lines
5.6 KiB
C++

/*
* Copyright (C) 2000 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef GUID_DEFINED
#define GUID_DEFINED
#ifdef __WIDL__
typedef struct
{
unsigned long Data1;
unsigned short Data2;
unsigned short Data3;
byte Data4[ 8 ];
} GUID;
#else
typedef struct _GUID
{
#ifdef _MSC_VER
unsigned long Data1;
#else
unsigned int Data1;
#endif
unsigned short Data2;
unsigned short Data3;
unsigned char Data4[ 8 ];
} GUID;
#endif
/* Macros for __uuidof emulation */
#ifdef __cplusplus
# if defined(__MINGW32__)
# define __WINE_UUID_ATTR __attribute__((selectany))
# elif defined(__GNUC__)
# define __WINE_UUID_ATTR __attribute__((visibility("hidden"),weak))
# endif
#endif
#ifdef __WINE_UUID_ATTR
extern "C++" {
template<typename T> struct __wine_uuidof;
template<typename T> struct __wine_uuidof_type {
typedef __wine_uuidof<T> inst;
};
template<typename T> struct __wine_uuidof_type<T *> {
typedef __wine_uuidof<T> inst;
};
template<typename T> struct __wine_uuidof_type<T * const> {
typedef __wine_uuidof<T> inst;
};
}
#define __CRT_UUID_DECL(type,l,w1,w2,b1,b2,b3,b4,b5,b6,b7,b8) \
extern "C++" { \
template<> struct __wine_uuidof<type> { \
static const GUID uuid; \
}; \
__WINE_UUID_ATTR const GUID __wine_uuidof<type>::uuid = {l,w1,w2,{b1,b2,b3,b4,b5,b6,b7,b8}}; \
}
#define __uuidof(type) __wine_uuidof_type<typeof(type)>::inst::uuid
#else /* __WINE_UUID_ATTR */
#define __CRT_UUID_DECL(type,l,w1,w2,b1,b2,b3,b4,b5,b6,b7,b8)
#endif /* __WINE_UUID_ATTR */
#endif
#undef DEFINE_GUID
#ifdef INITGUID
#ifdef __cplusplus
#define DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
EXTERN_C const GUID name DECLSPEC_HIDDEN; \
EXTERN_C const GUID name = \
{ l, w1, w2, { b1, b2, b3, b4, b5, b6, b7, b8 } }
#else
#define DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
const GUID name DECLSPEC_HIDDEN; \
const GUID name = \
{ l, w1, w2, { b1, b2, b3, b4, b5, b6, b7, b8 } }
#endif
#else
#define DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
EXTERN_C const GUID name DECLSPEC_HIDDEN
#endif
#define DEFINE_OLEGUID(name, l, w1, w2) \
DEFINE_GUID(name, l, w1, w2, 0xC0,0,0,0,0,0,0,0x46)
#ifndef _GUIDDEF_H_
#define _GUIDDEF_H_
#ifndef __LPGUID_DEFINED__
#define __LPGUID_DEFINED__
typedef GUID *LPGUID;
#endif
#ifndef __LPCGUID_DEFINED__
#define __LPCGUID_DEFINED__
typedef const GUID *LPCGUID;
#endif
#ifndef __IID_DEFINED__
#define __IID_DEFINED__
typedef GUID IID,*LPIID;
typedef GUID CLSID,*LPCLSID;
typedef GUID FMTID,*LPFMTID;
#define IsEqualIID(riid1, riid2) IsEqualGUID(riid1, riid2)
#define IsEqualCLSID(rclsid1, rclsid2) IsEqualGUID(rclsid1, rclsid2)
#define IsEqualFMTID(rfmtid1, rfmtid2) IsEqualGUID(rfmtid1, rfmtid2)
#define IID_NULL GUID_NULL
#define CLSID_NULL GUID_NULL
#define FMTID_NULL GUID_NULL
#ifdef __midl_proxy
#define __MIDL_CONST
#else
#define __MIDL_CONST const
#endif
#endif /* ndef __IID_DEFINED__ */
#ifdef __cplusplus
#define REFGUID const GUID &
#define REFCLSID const CLSID &
#define REFIID const IID &
#define REFFMTID const FMTID &
#else /* !defined(__cplusplus) */
#define REFGUID const GUID* __MIDL_CONST
#define REFCLSID const CLSID* __MIDL_CONST
#define REFIID const IID* __MIDL_CONST
#define REFFMTID const FMTID* __MIDL_CONST
#endif /* !defined(__cplusplus) */
#if defined(__cplusplus) && !defined(CINTERFACE)
#define IsEqualGUID(rguid1, rguid2) (!memcmp(&(rguid1), &(rguid2), sizeof(GUID)))
inline int InlineIsEqualGUID(REFGUID rguid1, REFGUID rguid2)
{
return (((ULONG *)&rguid1)[0] == ((ULONG *)&rguid2)[0] &&
((ULONG *)&rguid1)[1] == ((ULONG *)&rguid2)[1] &&
((ULONG *)&rguid1)[2] == ((ULONG *)&rguid2)[2] &&
((ULONG *)&rguid1)[3] == ((ULONG *)&rguid2)[3]);
}
#else /* defined(__cplusplus) && !defined(CINTERFACE) */
#define IsEqualGUID(rguid1, rguid2) (!memcmp(rguid1, rguid2, sizeof(GUID)))
#define InlineIsEqualGUID(rguid1, rguid2) \
(((ULONG *)rguid1)[0] == ((ULONG *)rguid2)[0] && \
((ULONG *)rguid1)[1] == ((ULONG *)rguid2)[1] && \
((ULONG *)rguid1)[2] == ((ULONG *)rguid2)[2] && \
((ULONG *)rguid1)[3] == ((ULONG *)rguid2)[3])
#endif /* defined(__cplusplus) && !defined(CINTERFACE) */
#if defined(__cplusplus) && !defined(CINTERFACE)
#include <string.h>
inline bool operator==(const GUID& guidOne, const GUID& guidOther)
{
return !memcmp(&guidOne,&guidOther,sizeof(GUID));
}
inline bool operator!=(const GUID& guidOne, const GUID& guidOther)
{
return !(guidOne == guidOther);
}
#endif
#endif /* _GUIDDEF_H_ */