/* Copyright (C) 1991-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   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/>.  */

#include <string.h>

#ifndef STRNCAT

# undef strncat

# define STRNCAT  strncat

# define STRNCAT_PRIMARY

#endif

char *

STRNCAT (char *s1, const char *s2, size_t n)

{

  char *s = s1;

  /* Find the end of S1.  */

  s1 += strlen (s1);

  size_t ss = __strnlen (s2, n);

  s1[ss] = '\0';

  memcpy (s1, s2, ss);

  return s;

}

#ifdef STRNCAT_PRIMARY

strong_alias (STRNCAT, __strncat)

libc_hidden_def (__strncat)

#endif