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/* strndup.c -- Substitute implementation of strndup ()

   Copyright (C) 1999 Damjan Lampret, lampret@opencores.org

   Copyright (C) 2008 Embecosm Limited

   Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>

   This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator.

   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 3 of the License, 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, see <http://www.gnu.org/licenses/>.  */

/* This program is commented throughout in a fashion suitable for processing

   with Doxygen. */

/* Autoconf and/or portability configuration */

#include "config.h"

#ifndef HAVE_STRNDUP

/* the definition of size_t is provided in stddef.h.

   Mark Jarvin patch notes that stdlib.h and string.h are also needed. */

#include <stddef.h>

#include <stdlib.h>

#include <string.h>

/* Taken from glibc */

char *

strndup (const char *s, size_t n)

{

        char *new;

        size_t len = strlen (s);

        if (len>n)

                len=n;

        new = (char *) malloc (len + 1);

        if (new == NULL)

                return NULL;

        new[len] = '\0';

        return (char *) memcpy (new, s, len);

}

#endif  /* HAVE_STRNDUP */