wcsmbs/tst-wcpncpy.c

   1 /* Copyright (C) 2003-2021 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@cygnus.com>, 2003.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <stdio.h>
  20 #include <wchar.h>
  21
  22
  23 static int
  24 do_test (void)
  25 {
  26   int result = 0;
  27
  28   const wchar_t src[] = L"0";
  29   wchar_t dest[21];
  30   wmemset (dest, L'\0', 10);
  31   wchar_t *endp = wcpncpy (dest, src, 2);
  32   if (wcscmp (dest, src) != 0)
  33     {
  34       result = 1;
  35       puts ("L\"0\" string test failed");
  36     }
  37   if (endp != dest + 1)
  38     {
  39       result = 1;
  40       puts ("return value of L\"0\" string call incorrect");
  41     }
  42
  43   const wchar_t src2[] = L"abc";
  44   endp = wcpncpy (dest, src2, 2);
  45   if (endp != dest + 2)
  46     {
  47       result = 1;
  48       puts ("return value of limited call incorrect");
  49     }
  50
  51   const wchar_t src3[] = L"";
  52   endp = wcpncpy (dest, src3, 2);
  53   if (endp != dest)
  54     {
  55       result = 1;
  56       puts ("return value of empty string call incorrect");
  57     }
  58
  59   const wchar_t src4[] = L"abcdefghijklmnopqrstuvwxyz";
  60   endp = wcpncpy (dest, src4, 2);
  61   if (endp != dest + 2)
  62     {
  63       result = 1;
  64       puts ("return value of long string call incorrect");
  65     }
  66
  67   const wchar_t src5[] = L"ab";
  68   endp = wcpncpy (dest, src5, 20);
  69   if (endp != dest + 2)
  70     {
  71       result = 1;
  72       puts ("return value of large limit call incorrect");
  73     }
  74
  75   return result;
  76 }
  77
  78 #include <support/test-driver.c>