include/guiddef.h

   1 /*
   2  * Copyright (C) 2000 Alexandre Julliard
   3  *
   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.
   8  *
   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.
  13  *
  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
  17  */
  18
  19 #ifndef GUID_DEFINED
  20 #define GUID_DEFINED
  21
  22 #ifdef __WIDL__
  23 typedef struct
  24 {
  25     unsigned long  Data1;
  26     unsigned short Data2;
  27     unsigned short Data3;
  28     byte           Data4[ 8 ];
  29 } GUID;
  30 #else
  31 typedef struct _GUID
  32 {
  33 #ifndef __LP64__
  34     unsigned long  Data1;
  35 #else
  36     unsigned int   Data1;
  37 #endif
  38     unsigned short Data2;
  39     unsigned short Data3;
  40     unsigned char  Data4[ 8 ];
  41 } GUID;
  42 #endif
  43
  44 /* Macros for __uuidof emulation */
  45 #ifdef __cplusplus
  46 # if defined(__MINGW32__)
  47 #  define __WINE_UUID_ATTR __attribute__((selectany))
  48 # elif defined(__GNUC__)
  49 #  define __WINE_UUID_ATTR __attribute__((visibility("hidden"),weak))
  50 # endif
  51 #endif
  52
  53 #ifdef __WINE_UUID_ATTR
  54
  55 extern "C++" {
  56     template<typename T> struct __wine_uuidof;
  57
  58     template<typename T> struct __wine_uuidof_type {
  59         typedef __wine_uuidof<T> inst;
  60     };
  61     template<typename T> struct __wine_uuidof_type<T *> {
  62         typedef __wine_uuidof<T> inst;
  63     };
  64     template<typename T> struct __wine_uuidof_type<T * const> {
  65         typedef __wine_uuidof<T> inst;
  66     };
  67 }
  68
  69 #define __CRT_UUID_DECL(type,l,w1,w2,b1,b2,b3,b4,b5,b6,b7,b8)           \
  70     extern "C++" {                                                      \
  71         template<> struct __wine_uuidof<type> {                         \
  72             static const GUID uuid;                                     \
  73         };                                                              \
  74         __WINE_UUID_ATTR const GUID __wine_uuidof<type>::uuid = {l,w1,w2,{b1,b2,b3,b4,b5,b6,b7,b8}}; \
  75     }
  76
  77 #define __uuidof(type) __wine_uuidof_type<__typeof__(type)>::inst::uuid
  78
  79 #else /* __WINE_UUID_ATTR */
  80
  81 #define __CRT_UUID_DECL(type,l,w1,w2,b1,b2,b3,b4,b5,b6,b7,b8)
  82
  83 #endif /* __WINE_UUID_ATTR */
  84
  85 #endif
  86
  87 #undef DEFINE_GUID
  88
  89 #ifndef DECLSPEC_HIDDEN
  90 # if defined(__GNUC__) && !defined(__MINGW32__) && !defined(__CYGWIN__)
  91 #  define DECLSPEC_HIDDEN __attribute__((visibility ("hidden")))
  92 # else
  93 #  define DECLSPEC_HIDDEN
  94 # endif
  95 #endif
  96
  97 #ifdef INITGUID
  98 #ifdef __cplusplus
  99 #define DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
 100         EXTERN_C const GUID name DECLSPEC_HIDDEN; \
 101         EXTERN_C const GUID name = \
 102         { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } }
 103 #else
 104 #define DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
 105         const GUID name DECLSPEC_HIDDEN; \
 106         const GUID name = \
 107         { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } }
 108 #endif
 109 #else
 110 #define DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
 111     EXTERN_C const GUID name DECLSPEC_HIDDEN
 112 #endif
 113
 114 #define DEFINE_OLEGUID(name, l, w1, w2) \
 115         DEFINE_GUID(name, l, w1, w2, 0xC0,0,0,0,0,0,0,0x46)
 116
 117 #ifndef _GUIDDEF_H_
 118 #define _GUIDDEF_H_
 119
 120 #ifndef __LPGUID_DEFINED__
 121 #define __LPGUID_DEFINED__
 122 typedef GUID *LPGUID;
 123 #endif
 124
 125 #ifndef __LPCGUID_DEFINED__
 126 #define __LPCGUID_DEFINED__
 127 typedef const GUID *LPCGUID;
 128 #endif
 129
 130 #ifndef __IID_DEFINED__
 131 #define __IID_DEFINED__
 132
 133 typedef GUID IID,*LPIID;
 134 typedef GUID CLSID,*LPCLSID;
 135 typedef GUID FMTID,*LPFMTID;
 136 #define IsEqualIID(riid1, riid2) IsEqualGUID(riid1, riid2)
 137 #define IsEqualCLSID(rclsid1, rclsid2) IsEqualGUID(rclsid1, rclsid2)
 138 #define IsEqualFMTID(rfmtid1, rfmtid2) IsEqualGUID(rfmtid1, rfmtid2)
 139 #define IID_NULL   GUID_NULL
 140 #define CLSID_NULL GUID_NULL
 141 #define FMTID_NULL GUID_NULL
 142
 143 #ifdef __midl_proxy
 144 #define __MIDL_CONST
 145 #else
 146 #define __MIDL_CONST const
 147 #endif
 148
 149 #endif /* ndef __IID_DEFINED__ */
 150
 151 #ifdef __cplusplus
 152 #define REFGUID             const GUID &
 153 #define REFCLSID            const CLSID &
 154 #define REFIID              const IID &
 155 #define REFFMTID            const FMTID &
 156 #else
 157 #define REFGUID             const GUID* __MIDL_CONST
 158 #define REFCLSID            const CLSID* __MIDL_CONST
 159 #define REFIID              const IID* __MIDL_CONST
 160 #define REFFMTID            const FMTID* __MIDL_CONST
 161 #endif
 162
 163 #ifdef __cplusplus
 164 #define IsEqualGUID(rguid1, rguid2) (!memcmp(&(rguid1), &(rguid2), sizeof(GUID)))
 165 inline int InlineIsEqualGUID(REFGUID rguid1, REFGUID rguid2)
 166 {
 167    return (((unsigned int *)&rguid1)[0] == ((unsigned int *)&rguid2)[0] &&
 168            ((unsigned int *)&rguid1)[1] == ((unsigned int *)&rguid2)[1] &&
 169            ((unsigned int *)&rguid1)[2] == ((unsigned int *)&rguid2)[2] &&
 170            ((unsigned int *)&rguid1)[3] == ((unsigned int *)&rguid2)[3]);
 171 }
 172 #else
 173 #define IsEqualGUID(rguid1, rguid2) (!memcmp(rguid1, rguid2, sizeof(GUID)))
 174 #define InlineIsEqualGUID(rguid1, rguid2)  \
 175         (((unsigned int *)rguid1)[0] == ((unsigned int *)rguid2)[0] && \
 176          ((unsigned int *)rguid1)[1] == ((unsigned int *)rguid2)[1] && \
 177          ((unsigned int *)rguid1)[2] == ((unsigned int *)rguid2)[2] && \
 178          ((unsigned int *)rguid1)[3] == ((unsigned int *)rguid2)[3])
 179 #endif
 180
 181 #ifdef __cplusplus
 182 #include <string.h>
 183 inline bool operator==(const GUID& guidOne, const GUID& guidOther)
 184 {
 185     return !memcmp(&guidOne,&guidOther,sizeof(GUID));
 186 }
 187 inline bool operator!=(const GUID& guidOne, const GUID& guidOther)
 188 {
 189     return !(guidOne == guidOther);
 190 }
 191 #endif
 192
 193 #endif /* _GUIDDEF_H_ */