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#ifndef _IP_SET_COMMENT_H
#define _IP_SET_COMMENT_H
/* Copyright (C) 2013 Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifdef __KERNEL__
static inline char*
ip_set_comment_uget(struct nlattr *tb)
{
return nla_data(tb);
}
static inline void
ip_set_init_comment(struct ip_set_comment *comment,
const struct ip_set_ext *ext)
{
size_t len = ext->comment ? strlen(ext->comment) : 0;
if (unlikely(comment->str)) {
kfree(comment->str);
comment->str = NULL;
}
if (!len)
return;
if (unlikely(len > IPSET_MAX_COMMENT_SIZE))
len = IPSET_MAX_COMMENT_SIZE;
comment->str = kzalloc(len + 1, GFP_ATOMIC);
if (unlikely(!comment->str))
return;
strlcpy(comment->str, ext->comment, len + 1);
}
static inline int
ip_set_put_comment(struct sk_buff *skb, struct ip_set_comment *comment)
{
if (!comment->str)
return 0;
return nla_put_string(skb, IPSET_ATTR_COMMENT, comment->str);
}
static inline void
ip_set_comment_free(struct ip_set_comment *comment)
{
if (unlikely(!comment->str))
return;
kfree(comment->str);
comment->str = NULL;
}
#endif
#endif
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