14297a3b0SGarrett D'Amore /* 2*2d08521bSGarrett D'Amore * Copyright 2013 Garrett D'Amore <garrett@damore.org> 36b5e5868SGarrett D'Amore * Copyright 2010 Nexenta Systems, Inc. All rights reserved. 44297a3b0SGarrett D'Amore * Copyright (c) 2002, 2003 Tim J. Robbins. 54297a3b0SGarrett D'Amore * All rights reserved. 64297a3b0SGarrett D'Amore * 74297a3b0SGarrett D'Amore * Redistribution and use in source and binary forms, with or without 84297a3b0SGarrett D'Amore * modification, are permitted provided that the following conditions 94297a3b0SGarrett D'Amore * are met: 104297a3b0SGarrett D'Amore * 1. Redistributions of source code must retain the above copyright 114297a3b0SGarrett D'Amore * notice, this list of conditions and the following disclaimer. 124297a3b0SGarrett D'Amore * 2. Redistributions in binary form must reproduce the above copyright 134297a3b0SGarrett D'Amore * notice, this list of conditions and the following disclaimer in the 144297a3b0SGarrett D'Amore * documentation and/or other materials provided with the distribution. 154297a3b0SGarrett D'Amore * 164297a3b0SGarrett D'Amore * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 174297a3b0SGarrett D'Amore * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 184297a3b0SGarrett D'Amore * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 194297a3b0SGarrett D'Amore * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 204297a3b0SGarrett D'Amore * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 214297a3b0SGarrett D'Amore * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 224297a3b0SGarrett D'Amore * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 234297a3b0SGarrett D'Amore * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 244297a3b0SGarrett D'Amore * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 254297a3b0SGarrett D'Amore * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 264297a3b0SGarrett D'Amore * SUCH DAMAGE. 274297a3b0SGarrett D'Amore */ 284297a3b0SGarrett D'Amore 294297a3b0SGarrett D'Amore #include "lint.h" 304297a3b0SGarrett D'Amore #include <stdio.h> 314297a3b0SGarrett D'Amore #include <wchar.h> 32*2d08521bSGarrett D'Amore #include <locale.h> 33*2d08521bSGarrett D'Amore #include <xlocale.h> 344297a3b0SGarrett D'Amore #include "mblocal.h" 354297a3b0SGarrett D'Amore 364297a3b0SGarrett D'Amore wint_t 37*2d08521bSGarrett D'Amore btowc_l(int c, locale_t loc) 384297a3b0SGarrett D'Amore { 394297a3b0SGarrett D'Amore static const mbstate_t initial = { 0 }; 404297a3b0SGarrett D'Amore mbstate_t mbs = initial; 414297a3b0SGarrett D'Amore char cc; 424297a3b0SGarrett D'Amore wchar_t wc; 434297a3b0SGarrett D'Amore 444297a3b0SGarrett D'Amore if (c == EOF) 454297a3b0SGarrett D'Amore return (WEOF); 464297a3b0SGarrett D'Amore /* 474297a3b0SGarrett D'Amore * We expect mbrtowc() to return 0 or 1, hence the check for n > 1 484297a3b0SGarrett D'Amore * which detects error return values as well as "impossible" byte 494297a3b0SGarrett D'Amore * counts. 504297a3b0SGarrett D'Amore */ 514297a3b0SGarrett D'Amore cc = (char)c; 52*2d08521bSGarrett D'Amore if (mbrtowc_l(&wc, &cc, 1, &mbs, loc) > 1) 534297a3b0SGarrett D'Amore return (WEOF); 544297a3b0SGarrett D'Amore return (wc); 554297a3b0SGarrett D'Amore } 56*2d08521bSGarrett D'Amore 57*2d08521bSGarrett D'Amore wint_t 58*2d08521bSGarrett D'Amore btowc(int c) 59*2d08521bSGarrett D'Amore { 60*2d08521bSGarrett D'Amore return (btowc_l(c, uselocale(NULL))); 61*2d08521bSGarrett D'Amore } 62