1 /* $NetBSD: fa_spawn_utils.c,v 1.1 2021/11/07 15:46:20 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2012 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles Zhang <charles@NetBSD.org> and
9 * Martin Husemann <martin@NetBSD.org>.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32 #include <sys/cdefs.h>
33 __RCSID("$NetBSD: fa_spawn_utils.c,v 1.1 2021/11/07 15:46:20 christos Exp $");
34
35 #include <atf-c.h>
36 #include <stdio.h>
37 #include <errno.h>
38 #include <string.h>
39 #include <sys/stat.h>
40
41 #include "fa_spawn_utils.h"
42
43 off_t
filesize(const char * restrict fname)44 filesize(const char * restrict fname)
45 {
46 struct stat st;
47 int err;
48
49 err = stat(fname, &st);
50 ATF_REQUIRE_MSG(err == 0, "Can't stat %s (%s)", fname, strerror(errno));
51 return st.st_size;
52 }
53
54 void
empty_outfile(const char * restrict fname)55 empty_outfile(const char * restrict fname)
56 {
57 FILE *f;
58
59 f = fopen(fname, "w");
60 ATF_REQUIRE_MSG(f != NULL, "Can't open %s (%s)", fname, strerror(errno));
61 fclose(f);
62 }
63