1 /* Conversion UTF-16 to UCS-4.
2 Copyright (C) 2001-2002, 2006 Free Software Foundation, Inc.
3 Written by Bruno Haible <bruno@clisp.org>, 2001.
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of the GNU Library General Public License as published
7 by the Free Software Foundation; either version 2, or (at your option)
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
23 #include "utf16-ucs4-safe.h"
26 u16_mbtouc_safe_aux (ucs4_t *puc, const uint16_t *s, size_t n)
34 if (s[1] >= 0xdc00 && s[1] < 0xe000)
36 *puc = 0x10000 + ((c - 0xd800) << 10) + (s[1] - 0xdc00);
39 /* invalid multibyte character */
43 /* incomplete multibyte character */
46 /* invalid multibyte character */