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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 "common/scummsys.h"
// We need certain functions that are excluded by default
#undef NONLS
#include <windows.h>
#include "backends/platform/sdl/win32/win32_wrapper.h"
// VerSetConditionMask and VerifyVersionInfo didn't appear until Windows 2000,
// so we need to check for them at runtime
LONGLONG VerSetConditionMaskFunc(ULONGLONG dwlConditionMask, DWORD dwTypeMask, BYTE dwConditionMask) {
typedef BOOL(WINAPI *VerSetConditionMaskFunction)(ULONGLONG conditionMask, DWORD typeMask, BYTE conditionOperator);
VerSetConditionMaskFunction verSetConditionMask = (VerSetConditionMaskFunction)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")), "VerSetConditionMask");
if (verSetConditionMask == NULL)
return 0;
return verSetConditionMask(dwlConditionMask, dwTypeMask, dwConditionMask);
}
BOOL VerifyVersionInfoFunc(LPOSVERSIONINFOEXA lpVersionInformation, DWORD dwTypeMask, DWORDLONG dwlConditionMask) {
typedef BOOL(WINAPI *VerifyVersionInfoFunction)(LPOSVERSIONINFOEXA versionInformation, DWORD typeMask, DWORDLONG conditionMask);
VerifyVersionInfoFunction verifyVersionInfo = (VerifyVersionInfoFunction)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")), "VerifyVersionInfoA");
if (verifyVersionInfo == NULL)
return FALSE;
return verifyVersionInfo(lpVersionInformation, dwTypeMask, dwlConditionMask);
}
namespace Win32 {
bool confirmWindowsVersion(int majorVersion, int minorVersion) {
OSVERSIONINFOEX versionInfo;
DWORDLONG conditionMask = 0;
ZeroMemory(&versionInfo, sizeof(OSVERSIONINFOEX));
versionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
versionInfo.dwMajorVersion = majorVersion;
versionInfo.dwMinorVersion = minorVersion;
conditionMask = VerSetConditionMaskFunc(conditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL);
conditionMask = VerSetConditionMaskFunc(conditionMask, VER_MINORVERSION, VER_GREATER_EQUAL);
return VerifyVersionInfoFunc(&versionInfo, VER_MAJORVERSION | VER_MINORVERSION, conditionMask);
}
wchar_t *ansiToUnicode(const char *s) {
DWORD size = MultiByteToWideChar(0, 0, s, -1, NULL, 0);
if (size > 0) {
LPWSTR result = new WCHAR[size];
if (MultiByteToWideChar(0, 0, s, -1, result, size) != 0)
return result;
}
return NULL;
}
char *unicodeToAnsi(const wchar_t *s) {
DWORD size = WideCharToMultiByte(0, 0, s, -1, NULL, 0, 0, 0);
if (size > 0) {
char *result = new char[size];
if (WideCharToMultiByte(0, 0, s, -1, result, size, 0, 0) != 0)
return result;
}
return NULL;
}
}
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