/* Test and measure stpncpy functions.

   Copyright (C) 1999-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Written by Jakub Jelinek <jakub@redhat.com>, 1999.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#define STRNCPY_RESULT(dst, len, n) ((dst) + ((len) > (n) ? (n) : (len)))

#define TEST_MAIN

#ifndef WIDE

# define TEST_NAME "stpncpy"

#else

# define TEST_NAME "wcpncpy"

#endif /* WIDE */

#include "test-string.h"

#ifndef WIDE

# define CHAR char

# define SIMPLE_STPNCPY simple_stpncpy

# define STUPID_STPNCPY stupid_stpncpy

# define STPNCPY stpncpy

# define STRNLEN strnlen

#else

# include <wchar.h>

# define CHAR wchar_t

# define SIMPLE_STPNCPY simple_wcpncpy

# define STUPID_STPNCPY stupid_wcpncpy

# define STPNCPY wcpncpy

# define STRNLEN wcsnlen

#endif /* WIDE */

CHAR *SIMPLE_STPNCPY (CHAR *, const CHAR *, size_t);

CHAR *STUPID_STPNCPY (CHAR *, const CHAR *, size_t);

IMPL (STUPID_STPNCPY, 0)

IMPL (SIMPLE_STPNCPY, 0)

IMPL (STPNCPY, 1)

CHAR *

SIMPLE_STPNCPY (CHAR *dst, const CHAR *src, size_t n)

{

  while (n--)

    if ((*dst++ = *src++) == '\0')

      {

	size_t i;

	for (i = 0; i < n; ++i)

	  dst[i] = '\0';

	return dst - 1;

      }

  return dst;

}

CHAR *

STUPID_STPNCPY (CHAR *dst, const CHAR *src, size_t n)

{

  size_t nc = STRNLEN (src, n);

  size_t i;

  for (i = 0; i < nc; ++i)

    dst[i] = src[i];

  for (; i < n; ++i)

    dst[i] = '\0';

  return dst + nc;

}

#undef CHAR

#include "test-strncpy.c"