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/* Checking strncpy.

   Copyright (C) 2005 Free Software Foundation, Inc.

This file is part of GCC.

GCC 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.

In addition to the permissions in the GNU General Public License, the

Free Software Foundation gives you unlimited permission to link the

compiled version of this file into combinations with other programs,

and to distribute those combinations without any restriction coming

from the use of this file.  (The General Public License restrictions

do apply in other respects; for example, they cover modification of

the file, and distribution when not linked into a combine

executable.)

GCC 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 GCC; see the file COPYING.  If not, write to the Free

Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA

02110-1301, USA.  */

/* As a special exception, if you link this library with files compiled with

   GCC to produce an executable, this does not cause the resulting executable

   to be covered by the GNU General Public License. This exception does not

   however invalidate any other reasons why the executable file might be

   covered by the GNU General Public License.  */

#include "config.h"

#include <ssp/ssp.h>

#ifdef HAVE_STRING_H

# include <string.h>

#endif

extern void __chk_fail (void) __attribute__((__noreturn__));

#ifdef HAVE_STRNCPY

char *

__strncpy_chk (char *__restrict__ dest, const char *__restrict__ src,

               size_t len, size_t slen)

{

  if (len > slen)

    __chk_fail ();

  return strncpy (dest, src, len);

}

#endif