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 1.4 2004/12/12 17:01:05 liamfoy 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 static void usage(void); 37 38 int 39 main(int argc, char *argv[]) 40 { 41 int fd; 42 int i; 43 int rval = 0; 44 45 if (argc < 2) 46 usage(); 47 48 for (i = 1; i < argc; ++i) { 49 if ((fd = open(argv[i], O_RDONLY)) < 0) { 50 warn("open failed %s", argv[i]); 51 rval = 1; 52 continue; 53 } 54 55 if (fsync(fd) != 0) { 56 warn("failed to fsync %s", argv[i]); 57 rval = 1; 58 } 59 close(fd); 60 } 61 return(rval); 62 } 63 64 static void 65 usage(void) 66 { 67 fprintf(stderr, "usage: fsync file ...\n"); 68 exit(EX_USAGE); 69 } 70