1101267Stjr/*- 2118589Stjr * Copyright (c) 2002, 2003 Tim J. Robbins. 3101267Stjr * All rights reserved. 4101267Stjr * 5227753Stheraven * Copyright (c) 2011 The FreeBSD Foundation 6227753Stheraven * All rights reserved. 7227753Stheraven * Portions of this software were developed by David Chisnall 8227753Stheraven * under sponsorship from the FreeBSD Foundation. 9227753Stheraven * 10101267Stjr * Redistribution and use in source and binary forms, with or without 11101267Stjr * modification, are permitted provided that the following conditions 12101267Stjr * are met: 13101267Stjr * 1. Redistributions of source code must retain the above copyright 14101267Stjr * notice, this list of conditions and the following disclaimer. 15101267Stjr * 2. Redistributions in binary form must reproduce the above copyright 16101267Stjr * notice, this list of conditions and the following disclaimer in the 17101267Stjr * documentation and/or other materials provided with the distribution. 18101267Stjr * 19101267Stjr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20101267Stjr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21101267Stjr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22101267Stjr * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23101267Stjr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24101267Stjr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25101267Stjr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26101267Stjr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27101267Stjr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28101267Stjr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29101267Stjr * SUCH DAMAGE. 30101267Stjr */ 31101267Stjr 32101267Stjr#include <sys/cdefs.h> 33101267Stjr__FBSDID("$FreeBSD$"); 34101267Stjr 35118589Stjr#include <stdio.h> 36101267Stjr#include <wchar.h> 37129154Stjr#include "mblocal.h" 38101267Stjr 39101267Stjrwint_t 40227753Stheravenbtowc_l(int c, locale_t l) 41101267Stjr{ 42127944Stjr static const mbstate_t initial; 43127944Stjr mbstate_t mbs = initial; 44101267Stjr char cc; 45118589Stjr wchar_t wc; 46227753Stheraven FIX_LOCALE(l); 47101267Stjr 48101267Stjr if (c == EOF) 49101267Stjr return (WEOF); 50118589Stjr /* 51118589Stjr * We expect mbrtowc() to return 0 or 1, hence the check for n > 1 52118589Stjr * which detects error return values as well as "impossible" byte 53118589Stjr * counts. 54118589Stjr */ 55127944Stjr cc = (char)c; 56227753Stheraven if (XLOCALE_CTYPE(l)->__mbrtowc(&wc, &cc, 1, &mbs) > 1) 57101267Stjr return (WEOF); 58118589Stjr return (wc); 59101267Stjr} 60227753Stheravenwint_t 61227753Stheravenbtowc(int c) 62227753Stheraven{ 63227753Stheraven return btowc_l(c, __get_locale()); 64227753Stheraven} 65