1 /*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Chris Torek. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 4. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)puts.c 8.1 (Berkeley) 6/4/93 33 * $FreeBSD: src/lib/libc/stdio/puts.c,v 1.11 2007/01/09 00:28:07 imp Exp $ 34 * $DragonFly: src/lib/libc/stdio/puts.c,v 1.5 2005/07/23 20:23:06 joerg Exp $ 35 */ 36 37 #include "namespace.h" 38 #include <stdio.h> 39 #include <string.h> 40 #include "un-namespace.h" 41 #include "priv_stdio.h" 42 #include "libc_private.h" 43 #include "local.h" 44 45 /* 46 * Write the given string to stdout, appending a newline. 47 */ 48 int 49 puts(const char *s) 50 { 51 int retval; 52 size_t c = strlen(s); 53 struct __suio uio; 54 struct __siov iov[2]; 55 56 iov[0].iov_base = __DECONST(char *, s); 57 iov[0].iov_len = c; 58 iov[1].iov_base = __DECONST(char *, "\n"); 59 iov[1].iov_len = 1; 60 uio.uio_resid = c + 1; 61 uio.uio_iov = &iov[0]; 62 uio.uio_iovcnt = 2; 63 FLOCKFILE(stdout); 64 ORIENT(stdout, -1); 65 retval = __sfvwrite(stdout, &uio) ? EOF : '\n'; 66 FUNLOCKFILE(stdout); 67 return (retval); 68 } 69