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authorchristos <christos@NetBSD.org>2017-12-10 15:37:54 +0000
committerchristos <christos@NetBSD.org>2017-12-10 15:37:54 +0000
commitdb02adfa13f4ffbd507012ca5ef156e0803b9cf5 (patch)
tree620b84b70a8b5942c247bb1a206e75950929908e /tests/kernel/h_getprocpath.c
parent74c94b3b2cbddd5b8cd95a1b291092bd9e29a153 (diff)
Add tests to make sure that the program name is what it is supposed to be.
Diffstat (limited to 'tests/kernel/h_getprocpath.c')
-rw-r--r--tests/kernel/h_getprocpath.c59
1 files changed, 59 insertions, 0 deletions
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 <stdio.h>
+#include <stdlib.h>
+#include <err.h>
+#include <sys/sysctl.h>
+
+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 <pid>\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;
+}