mes/scaffold/tests/86-strncpy.c

/* -*-comment-start: "//";comment-end:""-*-
 * GNU Mes --- Maxwell Equations of Software
 * Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
 *
 * This file is part of GNU Mes.
 *
 * GNU Mes is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or (at
 * your option) any later version.
 *
 * GNU Mes is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "30-test.i"
#include <stdio.h>
#include <string.h>

int
test ()
{
  puts ("\n");
  char buf[10] = {0,0,0,0,0,0,0,0,0,0};
  strncpy (buf, "mesxxx", 3);
  puts ("buf:");
  puts (buf);
  puts ("\n");
  if (strncmp (buf, "mes", 3))
    return 1;

  strncpy (buf, "m", 4);
  if (buf[3])
    return 2;

  return 0;
}