1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Chris Torek.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35 #include "namespace.h"
36 #include <limits.h>
37 #include <stdio.h>
38 #include <string.h>
39 #include "un-namespace.h"
40 #include "fvwrite.h"
41 #include "libc_private.h"
42 #include "local.h"
43
44 /*
45 * Write the given string to the given file.
46 */
47 int
fputs_unlocked(const char * __restrict s,FILE * __restrict fp)48 fputs_unlocked(const char * __restrict s, FILE * __restrict fp)
49 {
50 int retval;
51 struct __suio uio;
52 struct __siov iov;
53
54 iov.iov_base = (void *)s;
55 uio.uio_resid = iov.iov_len = strlen(s);
56 uio.uio_iov = &iov;
57 uio.uio_iovcnt = 1;
58 ORIENT(fp, -1);
59 retval = __sfvwrite(fp, &uio);
60 if (retval == 0)
61 return (iov.iov_len > INT_MAX ? INT_MAX : iov.iov_len);
62 return (retval);
63 }
64
65 int
fputs(const char * __restrict s,FILE * __restrict fp)66 fputs(const char * __restrict s, FILE * __restrict fp)
67 {
68 int retval;
69
70 FLOCKFILE_CANCELSAFE(fp);
71 retval = fputs_unlocked(s, fp);
72 FUNLOCKFILE_CANCELSAFE();
73 return (retval);
74 }
75