"Fossies" - the Fresh Open Source Software archive 
Member "tvnserver-2.0.4/win-system/VersionInfo.cpp" of archive tvnserver-2.0.4-src.zip:
// Copyright (C) 2008, 2009, 2010 GlavSoft LLC.
// All rights reserved.
//
//-------------------------------------------------------------------------
// This file is part of the TightVNC software. Please visit our Web site:
//
// http://www.tightvnc.com/
//
// 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, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//-------------------------------------------------------------------------
//
#include "VersionInfo.h"
VersionInfo::VersionInfo(const TCHAR *pathToFile)
{
DWORD handle = 0;
DWORD verInfoSize = GetFileVersionInfoSize(pathToFile, &handle);
if (verInfoSize == 0) {
throw SystemException();
}
char *verInfo = new char[verInfoSize];
if (GetFileVersionInfo(pathToFile, handle, verInfoSize, verInfo) == 0) {
delete[] verInfo;
throw SystemException();
}
UINT fixedInfoSize = 0;
VS_FIXEDFILEINFO *fixedInfo = 0;
if (VerQueryValue(verInfo, _T("\\"), (void **)&fixedInfo, &fixedInfoSize) == 0) {
delete[] verInfo;
throw SystemException();
}
unsigned short a = ((unsigned short *)&fixedInfo->dwProductVersionMS)[1];
unsigned short b = ((unsigned short *)&fixedInfo->dwProductVersionMS)[0];
unsigned short c = ((unsigned short *)&fixedInfo->dwProductVersionLS)[1];
unsigned short d = ((unsigned short *)&fixedInfo->dwProductVersionLS)[0];
delete[] verInfo;
TCHAR *secondDelimiter = _T(".");
if (c > 100) {
secondDelimiter = _T("beta");
c -= 100;
if (++b >= 100) {
b = 0;
a++;
}
}
if (c == 0 && d == 0) {
m_productVersionString.format(_T("%d.%d"), (int)a, (int)b);
} else if (d == 0) {
m_productVersionString.format(_T("%d.%d%s%d"), (int)a, (int)b,
secondDelimiter, (int)c);
} else {
m_productVersionString.format(_T("%d.%d%s%d.%d"), (int)a, (int)b,
secondDelimiter, (int)c, (int)d);
}
}
const TCHAR *VersionInfo::getProductVersionString() const
{
return m_productVersionString.getString();
}