msi: Don't call PropVariantClear on uninitialized variants.
[wine/multimedia.git] / include / guiddef.h
blob507eb5a1a5afe36c00e5ed13bd5fc754288a9e6e
1 /*
2 * Copyright (C) 2000 Alexandre Julliard
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 #ifndef GUID_DEFINED
20 #define GUID_DEFINED
21 typedef struct _GUID
23 #if defined(_MSC_VER) || (defined(WINE_NO_LONG_AS_INT) && !defined(_WIN64))
24 unsigned long Data1;
25 #else
26 unsigned int Data1;
27 #endif
28 unsigned short Data2;
29 unsigned short Data3;
30 unsigned char Data4[ 8 ];
31 } GUID;
32 #endif
34 #undef DEFINE_GUID
36 #ifdef INITGUID
37 #ifdef __cplusplus
38 #define DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
39 EXTERN_C const GUID name DECLSPEC_HIDDEN; \
40 EXTERN_C const GUID name = \
41 { l, w1, w2, { b1, b2, b3, b4, b5, b6, b7, b8 } }
42 #else
43 #define DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
44 const GUID name DECLSPEC_HIDDEN; \
45 const GUID name = \
46 { l, w1, w2, { b1, b2, b3, b4, b5, b6, b7, b8 } }
47 #endif
48 #else
49 #define DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
50 EXTERN_C const GUID name DECLSPEC_HIDDEN
51 #endif
53 #define DEFINE_OLEGUID(name, l, w1, w2) \
54 DEFINE_GUID(name, l, w1, w2, 0xC0,0,0,0,0,0,0,0x46)
56 #ifndef _GUIDDEF_H_
57 #define _GUIDDEF_H_
59 #ifndef __LPGUID_DEFINED__
60 #define __LPGUID_DEFINED___
61 typedef GUID *LPGUID;
62 #endif
64 #ifndef __LPCGUID_DEFINED__
65 #define __LPCGUID_DEFINED__
66 typedef const GUID *LPCGUID;
67 #endif
69 #ifndef __IID_DEFINED__
70 #define __IID_DEFINED__
72 typedef GUID IID,*LPIID;
73 typedef GUID CLSID,*LPCLSID;
74 typedef GUID FMTID,*LPFMTID;
75 #define IsEqualIID(riid1, riid2) IsEqualGUID(riid1, riid2)
76 #define IsEqualCLSID(rclsid1, rclsid2) IsEqualGUID(rclsid1, rclsid2)
77 #define IsEqualFMTID(rfmtid1, rfmtid2) IsEqualGUID(rfmtid1, rfmtid2)
78 #define IID_NULL GUID_NULL
79 #define CLSID_NULL GUID_NULL
80 #define FMTID_NULL GUID_NULL
82 #ifdef __midl_proxy
83 #define __MIDL_CONST
84 #else
85 #define __MIDL_CONST const
86 #endif
88 #endif /* ndef __IID_DEFINED__ */
90 #if defined(__cplusplus) && !defined(CINTERFACE)
91 #define REFGUID const GUID &
92 #define REFCLSID const CLSID &
93 #define REFIID const IID &
94 #define REFFMTID const FMTID &
95 #else /* !defined(__cplusplus) && !defined(CINTERFACE) */
96 #define REFGUID const GUID* __MIDL_CONST
97 #define REFCLSID const CLSID* __MIDL_CONST
98 #define REFIID const IID* __MIDL_CONST
99 #define REFFMTID const FMTID* __MIDL_CONST
100 #endif /* !defined(__cplusplus) && !defined(CINTERFACE) */
102 #if defined(__cplusplus) && !defined(CINTERFACE)
103 #define IsEqualGUID(rguid1, rguid2) (!memcmp(&(rguid1), &(rguid2), sizeof(GUID)))
104 #else /* defined(__cplusplus) && !defined(CINTERFACE) */
105 #define IsEqualGUID(rguid1, rguid2) (!memcmp(rguid1, rguid2, sizeof(GUID)))
106 #endif /* defined(__cplusplus) && !defined(CINTERFACE) */
108 #if defined(__cplusplus) && !defined(CINTERFACE)
109 #include <string.h>
110 inline bool operator==(const GUID& guidOne, const GUID& guidOther)
112 return !memcmp(&guidOne,&guidOther,sizeof(GUID));
114 inline bool operator!=(const GUID& guidOne, const GUID& guidOther)
116 return !(guidOne == guidOther);
118 #endif
120 extern const IID GUID_NULL;
122 #endif /* _GUIDDEF_H_ */