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 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 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