BOOL GetDriverSpecs( struct display_t *pEntry, char *szSubKey )
{
HKEY hKey, hKey2;
char *p;
char szTemp[ MAX_PATH + 1 ] = "", szTemp2[ MAX_PATH + 1 ] = "";
hKey = MyRegOpenKey( HKEY_LOCAL_MACHINE, "System\\CurrentControlSet\\Services\\Class" );
if( hKey )
hKey2 = MyRegOpenKey( hKey, szSubKey );
else
return FALSE;
RegCloseKey( hKey );
if( !hKey2 )
return FALSE;
if( !(p = MyRegQueryValueMalloc( hKey2, "DriverDesc", NULL, NULL ) ) )
return FALSE;
strcpy( pEntry->szName, p );
free( p );
hKey = MyRegOpenKey( hKey2, "DEFAULT" );
if( !hKey )
return FALSE;
if( !(p = MyRegQueryValueMalloc( hKey, "drv", NULL, NULL ) ) )
return FALSE;
strcpy( pEntry->szDriver, p );
// if no drive is specified in the driver filename, assume a path relative to the windows
// system directory
if( !strchr( p, ':' ) )
{
GetSystemDirectory( szTemp, MAX_PATH );
strcat( szTemp, "\\" );
strcat( szTemp, p );
}
else
strcpy( szTemp, p );
free( p );
if( !GetMyFileVersionInfo( szTemp, pEntry ) )
return FALSE;
if( strlen( szTemp ) )
SetCurrentDirectory( szTemp );
RegCloseKey( hKey );
RegCloseKey( hKey2 );
return TRUE;
}
DWORD SearchAllSubkeysForDisplays( HKEY hKey, struct display_t *pDispEntry, DWORD nMaxInt, DWORD nFound )
{
DWORD index = 0;
HKEY hSubKey;
char *name = NULL;
char *data = NULL;
if( !hKey )
return nFound;
if( !(nFound < nMaxInt) )
return nFound;
while( name = MyRegEnumKeyMalloc( hKey, index ) )
{
nFound = SearchAllSubkeysForDisplays( hSubKey = MyRegOpenKey( hKey, name ), pDispEntry, nMaxInt, nFound );
if( hSubKey )
data = MyRegQueryValueMalloc( hSubKey, "Class", NULL, NULL );
if( data )
{
if( strnicmp( data, "Display", 8 ) == 0 )
{
free( data );
data = MyRegQueryValueMalloc( hSubKey, "Driver", NULL, NULL );
if( data )
{
if( nFound < nMaxInt )
{
if( GetDriverSpecs( (pDispEntry + nFound), data ) )
nFound++;
else
ClearEntry( pDispEntry + nFound );
}
free( data );
}
}
}
if( hSubKey )
RegCloseKey( hSubKey );
free( name );
index++;
}
return nFound;
}
char *MyRegQuickQueryMalloc( HKEY hKey, LPCSTR szSubKey, LPCSTR szValueName, LPDWORD pType, LPDWORD pSize )
{
HKEY hNew;
char *pData;
if( !(hNew = MyRegOpenKey( hKey, szSubKey)) )
return NULL;
pData = MyRegQueryValueMalloc( hNew, szValueName, pType, pSize );
RegCloseKey( hNew );
return pData;
}
