puts.c revision 165903
190075Sobrien/*- 2102780Skan * Copyright (c) 1990, 1993 390075Sobrien * The Regents of the University of California. All rights reserved. 490075Sobrien * 590075Sobrien * This code is derived from software contributed to Berkeley by 690075Sobrien * Chris Torek. 790075Sobrien * 890075Sobrien * Redistribution and use in source and binary forms, with or without 990075Sobrien * modification, are permitted provided that the following conditions 1090075Sobrien * are met: 1190075Sobrien * 1. Redistributions of source code must retain the above copyright 1290075Sobrien * notice, this list of conditions and the following disclaimer. 1390075Sobrien * 2. Redistributions in binary form must reproduce the above copyright 1490075Sobrien * notice, this list of conditions and the following disclaimer in the 1590075Sobrien * documentation and/or other materials provided with the distribution. 1690075Sobrien * 4. Neither the name of the University nor the names of its contributors 1790075Sobrien * may be used to endorse or promote products derived from this software 1890075Sobrien * without specific prior written permission. 1990075Sobrien * 2090075Sobrien * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2190075Sobrien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2290075Sobrien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2390075Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2490075Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2590075Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2690075Sobrien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2790075Sobrien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2890075Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2990075Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3090075Sobrien * SUCH DAMAGE. 31102780Skan */ 32102780Skan 3390075Sobrien#if defined(LIBC_SCCS) && !defined(lint) 3490075Sobrienstatic char sccsid[] = "@(#)puts.c 8.1 (Berkeley) 6/4/93"; 3590075Sobrien#endif /* LIBC_SCCS and not lint */ 3690075Sobrien#include <sys/cdefs.h> 3790075Sobrien__FBSDID("$FreeBSD: head/lib/libc/stdio/puts.c 165903 2007-01-09 00:28:16Z imp $"); 3890075Sobrien 3990075Sobrien#include "namespace.h" 4090075Sobrien#include <stdio.h> 4190075Sobrien#include <string.h> 4290075Sobrien#include "un-namespace.h" 4390075Sobrien#include "fvwrite.h" 4490075Sobrien#include "libc_private.h" 4590075Sobrien#include "local.h" 4690075Sobrien 47102780Skan/* 4890075Sobrien * Write the given string to stdout, appending a newline. 4990075Sobrien */ 5090075Sobrienint 5190075Sobrienputs(s) 5290075Sobrien char const *s; 5390075Sobrien{ 5490075Sobrien int retval; 5590075Sobrien size_t c = strlen(s); 5690075Sobrien struct __suio uio; 5790075Sobrien struct __siov iov[2]; 5890075Sobrien 5990075Sobrien iov[0].iov_base = (void *)s; 6090075Sobrien iov[0].iov_len = c; 6190075Sobrien iov[1].iov_base = "\n"; 6290075Sobrien iov[1].iov_len = 1; 6390075Sobrien uio.uio_resid = c + 1; 6490075Sobrien uio.uio_iov = &iov[0]; 6590075Sobrien uio.uio_iovcnt = 2; 6690075Sobrien FLOCKFILE(stdout); 6790075Sobrien ORIENT(stdout, -1); 6890075Sobrien retval = __sfvwrite(stdout, &uio) ? EOF : '\n'; 6990075Sobrien FUNLOCKFILE(stdout); 7090075Sobrien return (retval); 7190075Sobrien} 7290075Sobrien