1 /* $OpenBSD: puts.c,v 1.11 2009/11/21 09:53:44 guenther Exp $ */
2 /*-
3 * Copyright (c) 1990, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Chris Torek.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 <stdio.h>
35 #include <string.h>
36 #include "local.h"
37 #include "fvwrite.h"
38
39 /*
40 * Write the given string to stdout, appending a newline.
41 */
42 int
puts(const char * s)43 puts(const char *s)
44 {
45 size_t c = strlen(s);
46 struct __suio uio;
47 struct __siov iov[2];
48 int ret;
49
50 iov[0].iov_base = (void *)s;
51 iov[0].iov_len = c;
52 iov[1].iov_base = "\n";
53 iov[1].iov_len = 1;
54 uio.uio_resid = c + 1;
55 uio.uio_iov = &iov[0];
56 uio.uio_iovcnt = 2;
57 FLOCKFILE(stdout);
58 _SET_ORIENTATION(stdout, -1);
59 ret = __sfvwrite(stdout, &uio);
60 FUNLOCKFILE(stdout);
61 return (ret ? EOF : '\n');
62 }
63