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152 lines
3.3 KiB
152 lines
3.3 KiB
#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#include <windows.h>
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#include <windowsx.h>
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#include "cutil.h"
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#define MemAlloc(a) GlobalAlloc(GMEM_FIXED, (a))
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#define MemFree(a) GlobalFree((a))
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static POSVERSIONINFO _getOSVersion(VOID)
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{
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static BOOL fFirst = TRUE;
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static OSVERSIONINFO os;
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if ( fFirst ) {
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os.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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if (GetVersionEx( &os ) ) {
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fFirst = FALSE;
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}
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}
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return &os;
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}
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BOOL
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CUtil::IsWinNT(VOID)
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{
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return (_getOSVersion()->dwPlatformId == VER_PLATFORM_WIN32_NT);
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}
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BOOL
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CUtil::IsWinNT4(VOID)
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{
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if((_getOSVersion()->dwPlatformId == VER_PLATFORM_WIN32_NT) &&
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(_getOSVersion()->dwMajorVersion == 4) &&
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(_getOSVersion()->dwMinorVersion >= 0) ) {
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return TRUE;
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}
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return FALSE;
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}
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BOOL
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CUtil::IsWinNT5(VOID)
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{
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if((_getOSVersion()->dwPlatformId == VER_PLATFORM_WIN32_NT) &&
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(_getOSVersion()->dwMajorVersion == 5) &&
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(_getOSVersion()->dwMinorVersion >= 0)) {
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return TRUE;
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}
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return FALSE;
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}
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BOOL
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CUtil::IsWin9x(VOID)
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{
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if((_getOSVersion()->dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) &&
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(_getOSVersion()->dwMajorVersion >= 4)) {
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return TRUE;
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}
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return FALSE;
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}
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BOOL
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CUtil::IsWin95(VOID)
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{
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if((_getOSVersion()->dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) &&
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(_getOSVersion()->dwMajorVersion >= 4) &&
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(_getOSVersion()->dwMinorVersion < 10)) {
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return TRUE;
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}
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return FALSE;
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}
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BOOL
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CUtil::IsWin98(VOID)
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{
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if((_getOSVersion()->dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) &&
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(_getOSVersion()->dwMajorVersion >= 4) &&
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(_getOSVersion()->dwMinorVersion >= 10)) {
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return TRUE;
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}
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return FALSE;
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}
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BOOL
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CUtil::IsHydra(VOID)
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{
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#ifdef UNDER_CE
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return FALSE;
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#else //!UNDER_CE
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static DWORD fTested = FALSE, fHydra = FALSE;
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HKEY hKey;
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if(fTested) {
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return fHydra;
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}
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if(ERROR_SUCCESS == RegOpenKeyEx(HKEY_LOCAL_MACHINE,
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TEXT("System\\CurrentControlSet\\Control\\ProductOptions"),
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0,
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KEY_READ,
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&hKey)){
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DWORD cbData;
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if(ERROR_SUCCESS == RegQueryValueEx(hKey,
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TEXT("ProductSuite"),
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NULL,
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NULL,
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NULL,
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&cbData)){
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TCHAR *mszBuffer, *szCurPtr;
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if(NULL != (mszBuffer = (TCHAR *)MemAlloc(cbData))){
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RegQueryValueEx(hKey,
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TEXT("ProductSuite"),
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NULL,
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NULL,
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(unsigned char *)mszBuffer,
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&cbData);
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for(szCurPtr = mszBuffer; 0 != *szCurPtr; szCurPtr += lstrlen(szCurPtr)+1){
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if(0 == lstrcmpi(szCurPtr, TEXT("Terminal Server"))){
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fHydra = TRUE;
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break;
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}
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}
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MemFree(mszBuffer);
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}
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}
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RegCloseKey(hKey);
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}
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fTested = TRUE;
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return(fHydra);
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#endif //UNDER_CE
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}
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INT
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CUtil::GetWINDIR(LPTSTR lpstr, INT len)
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{
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#ifdef UNDER_CE
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static const TCHAR szWindowsDir[] = TEXT("\\Windows");
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_tcsncpy(lpstr, szWindowsDir, len);
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if(len < sizeof szWindowsDir/sizeof(TCHAR))
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lpstr[len-1] = TEXT('\0');
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return lstrlen(lpstr);
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#else //!UNDER_CE
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INT dirSize=0;
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if(CUtil::IsHydra()) {
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dirSize = ::GetEnvironmentVariable(TEXT("WINDIR"), lpstr, len);
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}
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else {
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dirSize = ::GetWindowsDirectory(lpstr, len);
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}
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return dirSize;
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#endif //UNDER_CE
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}
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