pacemaker/replace/strndup.c

#include <crm_internal.h>
#include <stdlib.h>
#include <string.h>
/*
 * Copyright (C) 2004 Matt Soffen <sirgeek-ha@mrsucko.org>
 * This software licensed under the GNU LGPL.
 *
 * This 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.
 * 
 * This 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 this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

/* Taken from the GlibC implementation of strndup */

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

    if (NULL == new) {
        return NULL;
    }

    new[n] = '\0';
    return (char *)memcpy(new, str, len);
}