1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2002-2004 Tim J. Robbins. 5 * All rights reserved. 6 * 7 * Copyright (c) 2011 The FreeBSD Foundation 8 * 9 * Portions of this software were developed by David Chisnall 10 * under sponsorship from the FreeBSD Foundation. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include "namespace.h" 35 #include <errno.h> 36 #include <limits.h> 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <wchar.h> 40 #include "un-namespace.h" 41 #include "libc_private.h" 42 #include "local.h" 43 #include "mblocal.h" 44 45 /* 46 * Non-MT-safe version. 47 */ 48 wint_t 49 __fputwc(wchar_t wc, FILE *fp, locale_t locale) 50 { 51 char buf[MB_LEN_MAX]; 52 size_t i, len; 53 struct xlocale_ctype *l = XLOCALE_CTYPE(locale); 54 55 if ((len = l->__wcrtomb(buf, wc, &fp->_mbstate)) == (size_t)-1) { 56 fp->_flags |= __SERR; 57 return (WEOF); 58 } 59 60 for (i = 0; i < len; i++) 61 if (__sputc((unsigned char)buf[i], fp) == EOF) 62 return (WEOF); 63 64 return ((wint_t)wc); 65 } 66 67 /* 68 * MT-safe version. 69 */ 70 wint_t 71 fputwc_l(wchar_t wc, FILE *fp, locale_t locale) 72 { 73 wint_t r; 74 FIX_LOCALE(locale); 75 76 FLOCKFILE_CANCELSAFE(fp); 77 ORIENT(fp, 1); 78 r = __fputwc(wc, fp, locale); 79 FUNLOCKFILE_CANCELSAFE(); 80 81 return (r); 82 } 83 wint_t 84 fputwc(wchar_t wc, FILE *fp) 85 { 86 return fputwc_l(wc, fp, __get_locale()); 87 } 88