1 /* Conversion UCS-4 to UTF-16.
2 Copyright (C) 2002, 2006 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 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 "ucs4-utf16.h"
26 u16_uctomb_aux (uint16_t *s, ucs4_t uc, int n)
30 /* The case n >= 1 is already handled by the caller. */
32 else if (uc < 0x10000)
51 s[0] = 0xd800 + ((uc - 0x10000) >> 10);
52 s[1] = 0xdc00 + ((uc - 0x10000) & 0x3ff);