vdservice: extract supported_system_version() to vdcommon

rhbz #919451 preparation

2 files changed, 44 insertions, 0 deletions

diff --git a/common/vdcommon.cpp b/common/vdcommon.cpp
new file mode 100644
index 0000000..4dc50b4
--- /dev/null
+++ b/common/vdcommon.cpp
@@ -0,0 +1,36 @@
+/*
+   Copyright (C) 2013 Red Hat, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2 of
+   the License, or (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "vdcommon.h"
+
+int supported_system_version()
+{
+    OSVERSIONINFOEX osvi;
+
+    ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
+    osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
+    if (!GetVersionEx((OSVERSIONINFO*)&osvi)) {
+        vd_printf("GetVersionEx() failed: %lu", GetLastError());
+        return 0;
+    }
+    if (osvi.dwMajorVersion == 5 && (osvi.dwMinorVersion == 1 || osvi.dwMinorVersion == 2)) {
+        return SYS_VER_WIN_XP_CLASS;
+    } else if (osvi.dwMajorVersion == 6 && osvi.dwMinorVersion >= 0 && osvi.dwMinorVersion <= 2) {
+        return SYS_VER_WIN_7_CLASS;
+    }
+    return 0;
+}
diff --git a/common/vdcommon.h b/common/vdcommon.h
index 605153d..177721c 100644
--- a/common/vdcommon.h
+++ b/common/vdcommon.h
@@ -51,5 +51,13 @@ typedef CRITICAL_SECTION mutex_t;
 #define _ftime_s(timeb) _ftime(timeb)
 #endif
 
+enum SystemVersion {
+    SYS_VER_UNSUPPORTED,
+    SYS_VER_WIN_XP_CLASS, // also Server 2003/R2
+    SYS_VER_WIN_7_CLASS,  // also Windows 8, Server 2012, Server 2008/R2 & Vista
+};
+
+int supported_system_version();
+
 #endif