From: Dmitry V. Levin <ldv@altlinux.org>
Date: Sun, 7 Feb 2016 23:46:33 +0000 (+0000)
Subject: tests: extend coverage of time syscall
X-Git-Tag: v4.12~577
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c736b456ad34ef37039f19dee48bc98af5a86d2f;p=strace

tests: extend coverage of time syscall

* tests/time.c (main): Check decoding of NULL time_t pointer.
---

diff --git a/tests/time.c b/tests/time.c
index f9fde5cb..041b0117 100644
--- a/tests/time.c
+++ b/tests/time.c
@@ -1,4 +1,6 @@
 /*
+ * This file is part of time strace test.
+ *
  * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
  * All rights reserved.
  *
@@ -39,11 +41,13 @@ int
 main(void)
 {
 	time_t *p = tail_alloc(sizeof(time_t));
-	time_t t = syscall(__NR_time, p);
 
+	time_t t = syscall(__NR_time, NULL);
 	if ((time_t) -1 == t)
 		perror_msg_and_skip("time");
+	printf("time(NULL) = %jd\n", (intmax_t) t);
 
+	t = syscall(__NR_time, p);
 	printf("time([%jd]) = %jd\n", (intmax_t) *p, (intmax_t) t);
 
 	puts("+++ exited with 0 +++");