libio/tst_getwc.c

   1 /* Simple test of getwc in the C locale.
   2    Copyright (C) 2000-2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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 int
  24 main (void)
  25 {
  26   wchar_t buf[100];
  27   size_t n = 0;
  28
  29   wmemset (buf, L'\0', sizeof (buf) / sizeof (buf[0]));
  30   while (! feof (stdin) && n < sizeof (buf) - 1)
  31     {
  32       buf[n] = getwc (stdin);
  33       if (buf[n] == WEOF)
  34         break;
  35       ++n;
  36     }
  37   buf[n] = L'\0';
  38
  39   return wcscmp (buf, L"This is a test of getwc\n") != 0;
  40 }