13d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes/* $OpenBSD: wctob.c,v 1.2 2012/12/05 23:20:00 deraadt Exp $ */ 23d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes/*- 33d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * Copyright (c) 2002-2004 Tim J. Robbins. 43d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * All rights reserved. 53d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * 63d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * Redistribution and use in source and binary forms, with or without 73d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * modification, are permitted provided that the following conditions 83d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * are met: 93d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * 1. Redistributions of source code must retain the above copyright 103d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * notice, this list of conditions and the following disclaimer. 113d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * 2. Redistributions in binary form must reproduce the above copyright 123d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * notice, this list of conditions and the following disclaimer in the 133d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * documentation and/or other materials provided with the distribution. 143d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * 153d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 163d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 173d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 183d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 193d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 203d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 213d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 223d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 233d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 243d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 253d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes * SUCH DAMAGE. 263d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes */ 273d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes 283d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes#include <limits.h> 293d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes#include <stdio.h> 303d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes#include <string.h> 313d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes#include <wchar.h> 323d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes 333d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughesint 343d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hugheswctob(wint_t c) 353d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes{ 363d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes mbstate_t mbs; 373d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes char buf[MB_LEN_MAX]; 383d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes 393d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes memset(&mbs, 0, sizeof(mbs)); 403d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes if (c == WEOF || wcrtomb(buf, c, &mbs) != 1) 413d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes return (EOF); 423d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes return ((unsigned char)*buf); 433d7a0d9b08ecab054b2dff8332507644de3690b0Elliott Hughes} 44