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("$FreeBSD$"); 29 30 #include "namespace.h" 31 #include <errno.h> 32 #include <limits.h> 33 #include <stdio.h> 34 #include <wchar.h> 35 #include "un-namespace.h" 36 #include "fvwrite.h" 37 #include "libc_private.h" 38 #include "local.h" 39 #include "mblocal.h" 40 41 int 42 fputws(const wchar_t * __restrict ws, FILE * __restrict fp) 43 { 44 size_t nbytes; 45 char buf[BUFSIZ]; 46 struct __suio uio; 47 struct __siov iov; 48 const wchar_t *wsp; 49 50 FLOCKFILE(fp); 51 ORIENT(fp, 1); 52 if (prepwrite(fp) != 0) 53 goto error; 54 uio.uio_iov = &iov; 55 uio.uio_iovcnt = 1; 56 iov.iov_base = buf; 57 do { 58 wsp = ws; 59 nbytes = __wcsnrtombs(buf, &wsp, SIZE_T_MAX, sizeof(buf), 60 &fp->_mbstate); 61 if (nbytes == (size_t)-1) 62 goto error; 63 iov.iov_len = uio.uio_resid = nbytes; 64 if (__sfvwrite(fp, &uio) != 0) 65 goto error; 66 } while (ws != NULL); 67 FUNLOCKFILE(fp); 68 return (0); 69 70 error: 71 FUNLOCKFILE(fp); 72 return (-1); 73 } 74