[jgardou] 53024: [PSDK/WINNT.H] - add DEFINE_ENUM_FLAG_OPERATORS macro

Author: jgardou
Date: Tue Aug  2 06:10:15 2011
New Revision: 53024

URL: http://svn.reactos.org/svn/reactos?rev=53024&view=rev
Log:
[PSDK/WINNT.H]
- add DEFINE_ENUM_FLAG_OPERATORS macro

Modified:
    trunk/reactos/include/psdk/winnt.h

Modified: trunk/reactos/include/psdk/winnt.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/include/psdk/winnt.h?rev=53...
==============================================================================
--- trunk/reactos/include/psdk/winnt.h [iso-8859-1] (original)
+++ trunk/reactos/include/psdk/winnt.h [iso-8859-1] Tue Aug  2 06:10:15 2011
@@ -313,6 +313,22 @@
 #define ERROR_SEVERITY_INFORMATIONAL 0x40000000
 #define ERROR_SEVERITY_WARNING       0x80000000
 #define ERROR_SEVERITY_ERROR         0xC0000000
+
+#ifdef __cplusplus
+#define DEFINE_ENUM_FLAG_OPERATORS(ENUMTYPE) \
+extern "C++" { \
+    inline ENUMTYPE operator | (ENUMTYPE a, ENUMTYPE b) { return ENUMTYPE(((int)a)|((int)b)); } \
+    inline ENUMTYPE operator |= (ENUMTYPE &a, ENUMTYPE b) { return (ENUMTYPE &)(((int &)a) |= ((int)b)); } \
+    inline ENUMTYPE operator & (ENUMTYPE a, ENUMTYPE b) { return ENUMTYPE(((int)a)&((int)b)); } \
+    inline ENUMTYPE operator &= (ENUMTYPE &a, ENUMTYPE b) { return (ENUMTYPE &)(((int &)a) &= ((int)b)); } \
+    inline ENUMTYPE operator ~ (ENUMTYPE a) { return (ENUMTYPE)(~((int)a)); } \
+    inline ENUMTYPE operator ^ (ENUMTYPE a, ENUMTYPE b) { return ENUMTYPE(((int)a)^((int)b)); } \
+    inline ENUMTYPE operator ^= (ENUMTYPE &a, ENUMTYPE b) { return (ENUMTYPE &)(((int &)a) ^= ((int)b)); } \
+}
+#else
+#define DEFINE_ENUM_FLAG_OPERATORS(ENUMTYPE) /* */
+#endif
+
 /* also in ddk/ntifs.h */
 #define COMPRESSION_FORMAT_NONE         (0x0000)
 #define COMPRESSION_FORMAT_DEFAULT      (0x0001)