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 <wchar.h> 39 #include "un-namespace.h" 40 #include "fvwrite.h" 41 #include "libc_private.h" 42 #include "local.h" 43 #include "mblocal.h" 44 45 int 46 fputws_l(const wchar_t * __restrict ws, FILE * __restrict fp, locale_t locale) 47 { 48 size_t nbytes; 49 char buf[BUFSIZ]; 50 struct __suio uio; 51 struct __siov iov; 52 const wchar_t *wsp; 53 FIX_LOCALE(locale); 54 struct xlocale_ctype *l = XLOCALE_CTYPE(locale); 55 int ret; 56 57 ret = -1; 58 FLOCKFILE_CANCELSAFE(fp); 59 ORIENT(fp, 1); 60 if (prepwrite(fp) != 0) 61 goto end; 62 uio.uio_iov = &iov; 63 uio.uio_iovcnt = 1; 64 iov.iov_base = buf; 65 wsp = ws; 66 do { 67 nbytes = l->__wcsnrtombs(buf, &wsp, SIZE_T_MAX, sizeof(buf), 68 &fp->_mbstate); 69 if (nbytes == (size_t)-1) 70 goto end; 71 uio.uio_resid = iov.iov_len = nbytes; 72 if (__sfvwrite(fp, &uio) != 0) 73 goto end; 74 } while (wsp != NULL); 75 ret = 0; 76 end: 77 FUNLOCKFILE_CANCELSAFE(); 78 return (ret); 79 } 80 81 int 82 fputws(const wchar_t * __restrict ws, FILE * __restrict fp) 83 { 84 return fputws_l(ws, fp, __get_locale()); 85 } 86