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/*
* This file is part of libtrace
*
* Copyright (c) 2007,2008,2009,2010 The University of Waikato, Hamilton,
* New Zealand.
*
* Authors: Matthew Luckie
*
* All rights reserved.
*
* This code has been developed by the University of Waikato WAND
* research group. For further information please see http://www.wand.net.nz/
*
* libtrace 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 of the License, or
* (at your option) any later version.
*
* libtrace 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 libtrace; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id: strndup.c 1635 2010-07-29 12:54:56Z smr26 $
*
*/
#include "config.h"
#ifndef HAVE_STRNDUP
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <libtrace_int.h>
/* Some systems don't include strndup as part of their standard C library, so
* we need to provide our own version.
*
* Full credit to Matthew Luckie, who wrote this particular version and allowed
* us to borrow it.
*/
char *strndup(const char *s, size_t size)
{
char *str;
size_t len;
if(size == 0 || s == NULL)
{
errno = EINVAL;
return NULL;
}
if(size > (len = strlen(s)))
{
size = len+1;
}
if((str = malloc(size)) == NULL)
{
errno = ENOMEM;
return NULL;
}
memcpy(str, s, size);
str[size-1] = '\0';
return str;
}
#endif
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