wcsmbs/tst-wcpncpy.c

   1 /* Copyright (C) 2003-2023 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <stdio.h>
  19 #include <wchar.h>
  20
  21
  22 static int
  23 do_test (void)
  24 {
  25   int result = 0;
  26
  27   const wchar_t src[] = L"0";
  28   wchar_t dest[21];
  29   wmemset (dest, L'\0', 10);
  30   wchar_t *endp = wcpncpy (dest, src, 2);
  31   if (wcscmp (dest, src) != 0)
  32     {
  33       result = 1;
  34       puts ("L\"0\" string test failed");
  35     }
  36   if (endp != dest + 1)
  37     {
  38       result = 1;
  39       puts ("return value of L\"0\" string call incorrect");
  40     }
  41
  42   const wchar_t src2[] = L"abc";
  43   endp = wcpncpy (dest, src2, 2);
  44   if (endp != dest + 2)
  45     {
  46       result = 1;
  47       puts ("return value of limited call incorrect");
  48     }
  49
  50   const wchar_t src3[] = L"";
  51   endp = wcpncpy (dest, src3, 2);
  52   if (endp != dest)
  53     {
  54       result = 1;
  55       puts ("return value of empty string call incorrect");
  56     }
  57
  58   const wchar_t src4[] = L"abcdefghijklmnopqrstuvwxyz";
  59   endp = wcpncpy (dest, src4, 2);
  60   if (endp != dest + 2)
  61     {
  62       result = 1;
  63       puts ("return value of long string call incorrect");
  64     }
  65
  66   const wchar_t src5[] = L"ab";
  67   endp = wcpncpy (dest, src5, 20);
  68   if (endp != dest + 2)
  69     {
  70       result = 1;
  71       puts ("return value of large limit call incorrect");
  72     }
  73
  74   return result;
  75 }
  76
  77 #include <support/test-driver.c>