1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2000 Paul Saab <ps@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef lint
30#endif /* not lint */
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD$");
33
34#include <err.h>
35#include <fcntl.h>
36#include <stdio.h>
37#include <stdlib.h>
38#include <sysexits.h>
39#include <unistd.h>
40
41static void	usage(void);
42
43int
44main(int argc, char *argv[])
45{
46	int fd;
47	int i;
48	int rval;
49
50	if (argc < 2) {
51		usage();
52		/* NOTREACHED */
53	}
54
55	rval = EX_OK;
56	for (i = 1; i < argc; ++i) {
57		if ((fd = open(argv[i], O_RDONLY)) == -1) {
58			warn("open %s", argv[i]);
59			if (rval == EX_OK)
60				rval = EX_NOINPUT;
61			continue;
62		}
63
64		if (fsync(fd) == -1) {
65			warn("fsync %s", argv[i]);
66			if (rval == EX_OK)
67				rval = EX_OSERR;
68		}
69		close(fd);
70	}
71	exit(rval);
72	/* NOTREACHED */
73}
74
75static void
76usage(void)
77{
78
79	fprintf(stderr, "usage: fsync file ...\n");
80	exit(EX_USAGE);
81	/* NOTREACHED */
82}
83