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/*
* Copyright (c) 2011 Nicira Networks.
* Distributed under the terms of the GNU GPL version 2.
*
* Significant portions of this file may be copied from parts of the Linux
* kernel, by Linus Torvalds and others.
*/
#ifndef COMPAT_H
#define COMPAT_H 1
#include <linux/netlink.h>
#ifndef HAVE_NLA_NUL_STRING
static inline int CHECK_NUL_STRING(struct nlattr *attr, int maxlen)
{
char *s;
int len;
if (!attr)
return 0;
len = nla_len(attr);
if (len >= maxlen)
return -EINVAL;
s = nla_data(attr);
if (s[len - 1] != '\0')
return -EINVAL;
return 0;
}
#else
static inline int CHECK_NUL_STRING(struct nlattr *attr, int maxlen)
{
return 0;
}
#endif /* !HAVE_NLA_NUL_STRING */
#endif /* compat.h */
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