usr/src/test/libc-tests/tests/wcsncasecmp-7350.c

   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 }