1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
37 #include <sys/types.h>
47 usage (char *argv0, int help)
49 char *progname = strrchr(argv0, '/');
54 fprintf (help ? stdout : stderr,
55 "Usage: %s [-e] file\n", progname);
59 fprintf (stderr, " or try '-h' for help\n");
63 printf ("Create the given file with O_EXCL...\n");
64 printf (" -e expect EEXIST\n");
65 printf (" -h print help");
66 printf (" Exit status is 0 on success, 1 on failure\n");
69 int main(int argc, char **argv)
74 while ((rc = getopt (argc, argv, "eh")) != -1)
87 if (optind != argc - 1) {
92 rc = open(argv[optind], O_CREAT|O_EXCL, 0644);
95 if (want_eexist && errno == EEXIST)
97 printf("open failed: %s (expected)\n", strerror(errno));
100 printf("open failed: %s\n", strerror(errno));
105 printf("open success (expecting EEXIST).\n");
108 printf("open success.\n");
112 return ((rc == 0) ? 0 : 1);