1 /*
2  * This file and its contents are supplied under the terms of the
3  * Common Development and Distribution License ("CDDL"), version 1.0.
4  * You may only use this file in accordance with the terms of version
5  * 1.0 of the CDDL.
6  *
7  * A full copy of the text of the CDDL should have accompanied this
8  * source.  A copy of the CDDL is also available via the Internet at
9  * http://www.illumos.org/license/CDDL.
10  */
11 
12 /*
13  * Copyright 2016 Joyent, Inc.
14  */
15 
16 /*
17  * Regression test for illumos#7350. Make sure that wcsncasecmp() doesn't read
18  * data from the data buffer when zero characters are specified.
19  */
20 
21 #include <wchar.h>
22 #include <sys/debug.h>
23 
24 int
25 main(void)
26 {
27 	wchar_t *a = (void *)(uintptr_t)0x8;
28 	wchar_t *b = (void *)(uintptr_t)0x40;
29 
30 	VERIFY0(wcsncasecmp(a, b, 0));
31 	return (0);
32 }
33