1/*- 2 * Copyright (c) 2002-2004 Tim J. Robbins. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: src/lib/libc/stdio/fputwc.c,v 1.11 2008/04/17 22:17:53 jhb Exp $"); 29 30#include "xlocale_private.h" 31 32#include "namespace.h" 33#include <errno.h> 34#include <limits.h> 35#include <stdio.h> 36#include <stdlib.h> 37#include <wchar.h> 38#include "un-namespace.h" 39#include "libc_private.h" 40#include "local.h" 41#include "mblocal.h" 42 43/* 44 * Non-MT-safe version. 45 */ 46__private_extern__ wint_t 47__fputwc(wchar_t wc, FILE *fp, locale_t loc) 48{ 49 char buf[MB_LEN_MAX]; 50 size_t i, len; 51 struct __xlocale_st_runelocale *xrl = loc->__lc_ctype; 52 53 if (xrl->__mb_cur_max == 1 && wc > 0 && wc <= UCHAR_MAX) { 54 /* 55 * Assume single-byte locale with no special encoding. 56 * A more careful test would be to check 57 * _CurrentRuneLocale->encoding. 58 */ 59 *buf = (unsigned char)wc; 60 len = 1; 61 } else { 62 if ((len = loc->__lc_ctype->__wcrtomb(buf, wc, &fp->_mbstate, loc)) == (size_t)-1) { 63 fp->_flags |= __SERR; 64 return (WEOF); 65 } 66 } 67 68 for (i = 0; i < len; i++) 69 if (__sputc((unsigned char)buf[i], fp) == EOF) 70 return (WEOF); 71 72 return ((wint_t)wc); 73} 74 75/* 76 * MT-safe version. 77 */ 78wint_t 79fputwc(wchar_t wc, FILE *fp) 80{ 81 wint_t r; 82 83 FLOCKFILE(fp); 84 ORIENT(fp, 1); 85 r = __fputwc(wc, fp, __current_locale()); 86 FUNLOCKFILE(fp); 87 88 return (r); 89} 90 91wint_t 92fputwc_l(wchar_t wc, FILE *fp, locale_t loc) 93{ 94 wint_t r; 95 96 NORMALIZE_LOCALE(loc); 97 FLOCKFILE(fp); 98 ORIENT(fp, 1); 99 r = __fputwc(wc, fp, loc); 100 FUNLOCKFILE(fp); 101 102 return (r); 103} 104