regress/lib/libc/string/wcsncpy/wcsncpy_test.c

   1 /*      $NetBSD$        */
   2
   3 /*-
   4  * Copyright (c)2005 Citrus Project,
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  */
  29
  30 #include <string.h>
  31 #include <wchar.h>
  32
  33 int
  34 main(void)
  35 {
  36 #define CASESIZE        32
  37         wchar_t buf[CASESIZE + 1];
  38         const wchar_t *str[] = {
  39                 L"0",
  40                 L"01",
  41                 L"012",
  42                 L"0123",
  43                 L"01234",
  44                 L"012345",
  45                 L"0123456",
  46                 L"01234567",
  47                 L"012345678",
  48                 L"0123456789",
  49                 NULL
  50         }, **p;
  51         int i;
  52
  53         for (p = str; *p; ++p) {
  54                 wmemset(buf, (wchar_t)0xdeadbeef, CASESIZE + 1);
  55                 wcsncpy(buf, *p, CASESIZE);
  56                 if (wcscmp(buf, *p))
  57                         return (1);
  58                 for (i = wcslen(*p); i < CASESIZE; ++i) {
  59                         if (buf[i] != L'\0')
  60                                 return (2);
  61                 }
  62                 if (buf[CASESIZE] != (wchar_t)0xdeadbeef)
  63                         return (3);
  64         }
  65         return (0);
  66 }