view tests/test-stpncpy.c @ 7376:5b76a3b030e7

.
author Karl Berry <karl@freefriends.org>
date Wed, 27 Sep 2006 07:37:50 +0000
parents a48fb0e98c8c
children bbbbbf4cd1c5
line wrap: on
line source

/* Test the system defined function stpncpy().
   Copyright (C) 2003 Free Software Foundation, Inc.

   This program 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 2, or (at your option)
   any later version.

   This program 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 this program; if not, write to the Free Software Foundation,
   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */

#include <string.h>
#include <stdio.h>

int
main ()
{
  char from[10];
  char to[10];
  int i, j, k, h;
  char *ret;

  for (i = 0; i < 10; i++)
    for (j = 0; j < 10; j++)
      for (k = 0; k < 10; k++)
        {
          memset (from, 'X', sizeof from);
          memcpy (from, "SourceString", i);
          if (i < 10) from[i] = '\0';
          memset (to, 'Y', sizeof to);
          memcpy (to, "Destination", k);
          if (k < 10) to[k] = '\0';
          ret = stpncpy (to, from, j);
          printf ("i = %2d, j = %2d, k = %2d:  from = ", i, j, k);
          for (h = 0; h < 10; h++)
            if (from[h] >= 0x20 && from[h] < 0x7f)
              putchar (from[h]);
            else
              printf ("\\x%02x", from[h]);
          printf ("  to = ");
          for (h = 0; h < 10; h++)
            if (to[h] >= 0x20 && to[h] < 0x7f)
              putchar (to[h]);
            else
              printf ("\\x%02x", to[h]);
          printf ("  ret = to + %d\n", ret - to);
        }

  return 0;
}