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 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)puts.c 8.1 (Berkeley) 6/4/93 37 * $FreeBSD: src/lib/libc/stdio/puts.c,v 1.7 1999/08/28 00:01:12 peter Exp $ 38 * $DragonFly: src/lib/libc/stdio/puts.c,v 1.5 2005/07/23 20:23:06 joerg Exp $ 39 */ 40 41 #include "namespace.h" 42 #include <sys/types.h> 43 #include <stdio.h> 44 #include <string.h> 45 #include "un-namespace.h" 46 #include "priv_stdio.h" 47 #include "libc_private.h" 48 49 /* 50 * Write the given string to stdout, appending a newline. 51 */ 52 int 53 puts(char const *s) 54 { 55 int retval; 56 size_t c = strlen(s); 57 struct __suio uio; 58 struct __siov iov[2]; 59 60 iov[0].iov_base = __DECONST(char *, s); 61 iov[0].iov_len = c; 62 iov[1].iov_base = __DECONST(char *, "\n"); 63 iov[1].iov_len = 1; 64 uio.uio_resid = c + 1; 65 uio.uio_iov = &iov[0]; 66 uio.uio_iovcnt = 2; 67 FLOCKFILE(stdout); 68 retval = __sfvwrite(stdout, &uio) ? EOF : '\n'; 69 FUNLOCKFILE(stdout); 70 return (retval); 71 } 72