1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2002-2004 Tim J. Robbins. 5 * All rights reserved. 6 * 7 * Copyright (c) 2011 The FreeBSD Foundation 8 * All rights reserved. 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 <sys/cdefs.h> 35 __FBSDID("$FreeBSD$"); 36 37 #include "namespace.h" 38 #include <errno.h> 39 #include <limits.h> 40 #include <stdio.h> 41 #include <stdlib.h> 42 #include <wchar.h> 43 #include "un-namespace.h" 44 #include "libc_private.h" 45 #include "local.h" 46 #include "mblocal.h" 47 48 /* 49 * Non-MT-safe version. 50 */ 51 wint_t 52 __fputwc(wchar_t wc, FILE *fp, locale_t locale) 53 { 54 char buf[MB_LEN_MAX]; 55 size_t i, len; 56 struct xlocale_ctype *l = XLOCALE_CTYPE(locale); 57 58 if ((len = l->__wcrtomb(buf, wc, &fp->_mbstate)) == (size_t)-1) { 59 fp->_flags |= __SERR; 60 return (WEOF); 61 } 62 63 for (i = 0; i < len; i++) 64 if (__sputc((unsigned char)buf[i], fp) == EOF) 65 return (WEOF); 66 67 return ((wint_t)wc); 68 } 69 70 /* 71 * MT-safe version. 72 */ 73 wint_t 74 fputwc_l(wchar_t wc, FILE *fp, locale_t locale) 75 { 76 wint_t r; 77 FIX_LOCALE(locale); 78 79 FLOCKFILE_CANCELSAFE(fp); 80 ORIENT(fp, 1); 81 r = __fputwc(wc, fp, locale); 82 FUNLOCKFILE_CANCELSAFE(); 83 84 return (r); 85 } 86 wint_t 87 fputwc(wchar_t wc, FILE *fp) 88 { 89 return fputwc_l(wc, fp, __get_locale()); 90 } 91