From 6602da1b903f67b9aba0037b011341f8bba9abdd Mon Sep 17 00:00:00 2001
From: Eugene Syromyatnikov <evgsyr@gmail.com>
Date: Mon, 28 Nov 2016 12:44:54 +0300
Subject: [PATCH] tests: add more utime checks

* tests/utime.c: Include <unistd.h> and <asm/unistd.h>.
(main): Add checks for invalid pointers.
---
 tests/utime.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/tests/utime.c b/tests/utime.c
index 91044705..ea5ecc40 100644
--- a/tests/utime.c
+++ b/tests/utime.c
@@ -32,6 +32,9 @@
 #include <utime.h>
 #include <errno.h>
 #include <stdio.h>
+#include <unistd.h>
+
+#include <asm/unistd.h>
 
 static void
 print_tm(const struct tm * const p)
@@ -52,6 +55,21 @@ main(void)
 	const struct utimbuf u = { .actime = t, .modtime = t };
 	const struct utimbuf const *tail_u = tail_memdup(&u, sizeof(u));
 
+#ifdef __NR_utime
+	static const char *const dummy_str = "dummy filename";
+	char *const dummy_filename =
+		tail_memdup(dummy_str, sizeof(dummy_str) - 1);
+
+	rc = syscall(__NR_utime, dummy_filename + sizeof(dummy_str),
+		     tail_u + 1);
+	printf("utime(%p, %p) = %s\n", dummy_filename + sizeof(dummy_str),
+	       tail_u + 1, sprintrc(rc));
+
+	rc = syscall(__NR_utime, dummy_filename, (struct tm *) tail_u + 1);
+	printf("utime(%p, %p) = %s\n",
+	       dummy_filename, (struct tm *) tail_u + 1, sprintrc(rc));
+#endif /* __NR_utime */
+
 	rc = utime("utime\nfilename", tail_u);
 	const char *errstr = sprintrc(rc);
 	printf("utime(\"utime\\nfilename\", {actime=");
-- 
2.50.1