| #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 |
