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- /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
- /* detectu2.c */
-
- #include "intlpriv.h"
- #include "xp.h"
- #include "libi18n.h"
-
-
- /*
- This function returns csid if it finds that the data is UCS-2 or
- UCS-2 needs swap.
- */
- #define UCS2_GIVEUP_COUNT 512 /* Test at most 512 byte */
- #define UCS2_00_TRIGGER 8 /* Need at least 4 0x00 to make our sample meanful */
- #define UCS2_DETECT_DIFF 4
-
- MODULE_PRIVATE int DetectUCS2(CCCDataObject obj, unsigned char *pSrc, int len)
- {
- /* need to fix DetectUCS2 to look for UTF8 */
- if(len < 2) return(CS_DEFAULT);
-
- if(((pSrc[0]<<8) | pSrc[1]) == BYTE_ORDER_MARK)
- return(CS_UCS2);
-
- if(((pSrc[0]<<8) | pSrc[1]) == NEEDS_SWAP_MARK)
- return(CS_UCS2_SWAP);
- return(CS_DEFAULT);
- }
-
-
-
-
-
-