simgear/misc/sgversionhelpers.hxx

   1 // Clean drop-in replacement for the versionhelpers.h header\r
   2 //\r
   3 // Copyright (C) 2015 Alessandro Menti <alessandro.menti@hotmail.it>\r
   4 //\r
   5 // This library is free software; you can redistribute it and/or\r
   6 // modify it under the terms of the GNU Library General Public\r
   7 // License as published by the Free Software Foundation; either\r
   8 // version 2 of the License, or (at your option) any later version.\r
   9 //\r
  10 // This library is distributed in the hope that it will be useful,\r
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\r
  13 // Library General Public License for more details.\r
  14 //\r
  15 // You should have received a copy of the GNU Library General Public\r
  16 // License along with this library; if not, write to the Free Software\r
  17 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA\r
  18 \r
  19 #ifndef SG_VERSIONHELPERS_HXX_\r
  20 #define SG_VERSIONHELPERS_HXX_\r
  21 \r
  22 #include <sdkddkver.h>\r
  23 \r
  24 #ifdef __cplusplus\r
  25 #define VERSIONHELPERAPI inline bool\r
  26 #else\r
  27 #define VERSIONHELPERAPI FORCEINLINE BOOL\r
  28 #endif // __cplusplus\r
  29 \r
  30 /* Windows 8/8.1 version numbers, not defined in the Windows 7 SDK. */\r
  31 #ifndef _WIN32_WINNT_WIN8\r
  32 #define _WIN32_WINNT_WIN8 0x0602\r
  33 #endif\r
  34 #ifndef _WIN32_WINNT_WINBLUE\r
  35 #define _WIN32_WINNT_WINBLUE 0x0603\r
  36 #endif\r
  37 \r
  38 VERSIONHELPERAPI IsWindowsVersionOrGreater(WORD wMajorVersion,\r
  39     WORD wMinorVersion, WORD wServicePackMajor) {\r
  40     OSVERSIONINFOEXW osVersionInfo;\r
  41     DWORDLONG dwlConditionMask = 0;\r
  42     ZeroMemory(&osVersionInfo, sizeof(osVersionInfo));\r
  43     osVersionInfo.dwOSVersionInfoSize = sizeof(osVersionInfo);\r
  44     osVersionInfo.dwMajorVersion = wMajorVersion;\r
  45     osVersionInfo.dwMinorVersion = wMinorVersion;\r
  46     osVersionInfo.wServicePackMajor = wServicePackMajor;\r
  47     VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION,\r
  48         VER_GREATER_EQUAL);\r
  49     VER_SET_CONDITION(dwlConditionMask, VER_MINORVERSION,\r
  50         VER_GREATER_EQUAL);\r
  51     VER_SET_CONDITION(dwlConditionMask, VER_SERVICEPACKMAJOR,\r
  52         VER_GREATER_EQUAL);\r
  53     return VerifyVersionInfoW(&osVersionInfo, VER_MAJORVERSION\r
  54         | VER_MINORVERSION | VER_SERVICEPACKMAJOR, dwlConditionMask);\r
  55 }\r
  56 \r
  57 VERSIONHELPERAPI IsWindowsXPOrGreater() {\r
  58     return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINXP),\r
  59         LOBYTE(_WIN32_WINNT_WINXP), 0);\r
  60 }\r
  61 \r
  62 VERSIONHELPERAPI IsWindowsXPSP1OrGreater() {\r
  63     return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINXP),\r
  64         LOBYTE(_WIN32_WINNT_WINXP), 1);\r
  65 }\r
  66 \r
  67 VERSIONHELPERAPI IsWindowsXPSP2OrGreater() {\r
  68     return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINXP),\r
  69         LOBYTE(_WIN32_WINNT_WINXP), 2);\r
  70 }\r
  71 \r
  72 VERSIONHELPERAPI IsWindowsXPSP3OrGreater() {\r
  73     return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINXP),\r
  74         LOBYTE(_WIN32_WINNT_WINXP), 3);\r
  75 }\r
  76 \r
  77 VERSIONHELPERAPI IsWindowsVistaOrGreater() {\r
  78     return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_VISTA),\r
  79         LOBYTE(_WIN32_WINNT_VISTA), 0);\r
  80 }\r
  81 \r
  82 VERSIONHELPERAPI IsWindowsVistaSP1OrGreater() {\r
  83     return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_VISTA),\r
  84         LOBYTE(_WIN32_WINNT_VISTA), 1);\r
  85 }\r
  86 \r
  87 VERSIONHELPERAPI IsWindowsVistaSP2OrGreater() {\r
  88     return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_VISTA),\r
  89         LOBYTE(_WIN32_WINNT_VISTA), 2);\r
  90 }\r
  91 \r
  92 VERSIONHELPERAPI IsWindows7OrGreater() {\r
  93     return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WIN7),\r
  94         LOBYTE(_WIN32_WINNT_WIN7), 0);\r
  95 }\r
  96 \r
  97 VERSIONHELPERAPI IsWindows7SP1OrGreater() {\r
  98     return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WIN7),\r
  99         LOBYTE(_WIN32_WINNT_WIN7), 1);\r
 100 }\r
 101 \r
 102 VERSIONHELPERAPI IsWindows8OrGreater() {\r
 103     return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WIN8),\r
 104         LOBYTE(_WIN32_WINNT_WIN8), 0);\r
 105 }\r
 106 \r
 107 VERSIONHELPERAPI IsWindows8Point1OrGreater() {\r
 108     return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINBLUE),\r
 109         LOBYTE(_WIN32_WINNT_WINBLUE), 0);\r
 110 }\r
 111 \r
 112 VERSIONHELPERAPI IsWindowsServer() {\r
 113     OSVERSIONINFOEXW osVersionInfo;\r
 114     DWORDLONG dwlConditionMask = 0;\r
 115     ZeroMemory(&osVersionInfo, sizeof(osVersionInfo));\r
 116     osVersionInfo.dwOSVersionInfoSize = sizeof(osVersionInfo);\r
 117     osVersionInfo.wProductType = VER_NT_WORKSTATION;\r
 118     VER_SET_CONDITION(dwlConditionMask, VER_PRODUCT_TYPE, VER_EQUAL);\r
 119     return !VerifyVersionInfoW(&osVersionInfo, VER_PRODUCT_TYPE,\r
 120         dwlConditionMask);\r
 121 }\r
 122 #endif // SG_VERSIONHELPERS_HXX_\r