1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2013 Ed Schouten <ed@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <errno.h> 33 #include <uchar.h> 34 #include <wchar.h> 35 #include "xlocale_private.h" 36 37 size_t 38 c32rtomb_l(char * __restrict s, char32_t c32, mbstate_t * __restrict ps, 39 locale_t locale) 40 { 41 42 /* Unicode Standard 5.0, D90: ill-formed characters. */ 43 if ((c32 >= 0xd800 && c32 <= 0xdfff) || c32 > 0x10ffff) { 44 errno = EILSEQ; 45 return ((size_t)-1); 46 } 47 48 FIX_LOCALE(locale); 49 if (ps == NULL) 50 ps = &locale->c32rtomb; 51 52 /* Assume wchar_t uses UTF-32. */ 53 return (wcrtomb_l(s, c32, ps, locale)); 54 } 55 56 size_t 57 c32rtomb(char * __restrict s, char32_t c32, mbstate_t * __restrict ps) 58 { 59 60 return (c32rtomb_l(s, c32, ps, __get_locale())); 61 } 62