From db02adfa13f4ffbd507012ca5ef156e0803b9cf5 Mon Sep 17 00:00:00 2001 From: christos Date: Sun, 10 Dec 2017 15:37:54 +0000 Subject: Add tests to make sure that the program name is what it is supposed to be. --- tests/kernel/h_getprocpath.c | 59 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 tests/kernel/h_getprocpath.c (limited to 'tests/kernel/h_getprocpath.c') diff --git a/tests/kernel/h_getprocpath.c b/tests/kernel/h_getprocpath.c new file mode 100644 index 00000000000..43fa2c73b72 --- /dev/null +++ b/tests/kernel/h_getprocpath.c @@ -0,0 +1,59 @@ +/*- + * Copyright (c) 2017 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Christos Zoulas. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include +#include +#include + +static int +getprocpath(char *path, size_t len, pid_t pid) +{ + const int name[] = { + CTL_KERN, KERN_PROC_ARGS, pid, KERN_PROC_PATHNAME, + }; + return sysctl(name, __arraycount(name), path, &len, NULL, 0); +} + +int +main(int argc, char *argv[]) +{ + if (argc != 2) { + fprintf(stderr, "Usage: %s \n", getprogname()); + return EXIT_FAILURE; + } + + char buf[MAXPATHLEN]; + pid_t pid = atoi(argv[1]); + + if (getprocpath(buf, sizeof(buf), pid) == -1) + err(EXIT_FAILURE, "sysctl: %d", pid); + printf("%s\n", buf); + return EXIT_SUCCESS; +} -- cgit