xref: /dragonfly/usr.bin/fsync/fsync.c (revision 2d8a3be7)
1 /*-
2  * Copyright (c) 2000 Paul Saab <ps@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD: src/usr.bin/fsync/fsync.c,v 1.1.2.2 2000/07/25 07:48:25 ps Exp $
27  * $DragonFly: src/usr.bin/fsync/fsync.c,v 1.3 2003/10/04 20:36:44 hmp Exp $
28  */
29 
30 #include <err.h>
31 #include <fcntl.h>
32 #include <stdio.h>
33 #include <sysexits.h>
34 #include <unistd.h>
35 
36 void	usage(void);
37 
38 int
39 main(int argc, char *argv[])
40 {
41 	int fd;
42 	int i;
43 
44 	if (argc < 2)
45 		usage();
46 
47 	for (i = 1; i < argc; ++i) {
48 		if ((fd = open(argv[i], O_RDONLY)) < 0)
49 			err(1, "open %s", argv[i]);
50 
51 		if (fsync(fd) != 0)
52 			err(1, "fsync %s", argv[1]);
53 		close(fd);
54 	}
55 	return(0);
56 }
57 
58 void
59 usage(void)
60 {
61 	fprintf(stderr, "usage: fsync file ...\n");
62 	exit(EX_USAGE);
63 }
64