1 /* Store a character in UTF-16 string.
2 Copyright (C) 2002, 2005-2006, 2009-2010 Free Software Foundation, Inc.
3 Written by Bruno Haible <bruno@clisp.org>, 2002.
5 This program is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Lesser General Public License as published
7 by the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
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 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
20 #if defined IN_LIBUNISTRING
21 /* Tell unistr.h to declare u16_uctomb as 'extern', not 'static inline'. */
22 # include "unistring-notinline.h"
31 u16_uctomb (uint16_t *s, ucs4_t uc, int n)
40 /* else return -2, below. */
42 else if (uc < 0x10000)
61 s[0] = 0xd800 + ((uc - 0x10000) >> 10);
62 s[1] = 0xdc00 + ((uc - 0x10000) & 0x3ff);