strndup.c
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strndup.c
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	/* A replacement function, for systems that lack strndup.

	Copyright (C) 1996-1998, 2001-2003, 2005-2007, 2009-2011 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 3, 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 <config.h>

	#include <string.h>

	#include <stdlib.h>

	char *
	strndup (char const *s, size_t n)
	{
	size_t len = strnlen (s, n);
	char *new = malloc (len + 1);

	if (new == NULL)
	return NULL;

	new[len] = '\0';
	return memcpy (new, s, len);
	}