stv0g/libnl
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

attr: Provide nla_is_nested() function

Browse source 
Signed-off-by: Thomas Graf <tgraf@suug.ch>
This commit is contained in:
Thomas Graf 2013-02-05 22:31:31 +01:00
parent 8026fe2e3a
commit 9f8548b551
2 changed files with 14 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
include/netlink/attr.h
View file

@ -6,7 +6,7 @@
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* Copyright (c) 2003-2008 Thomas Graf <tgraf@suug.ch>
* Copyright (c) 2003-2013 Thomas Graf <tgraf@suug.ch>
*/
#ifndef NETLINK_ATTR_H_
@ -126,6 +126,7 @@ extern struct nlattr * nla_nest_start(struct nl_msg *, int);
extern int nla_nest_end(struct nl_msg *, struct nlattr *);
extern int nla_parse_nested(struct nlattr **, int, struct nlattr *,
struct nla_policy *);
extern int nla_is_nested(struct nlattr *);
/**
* @name Attribute Construction (Exception Based)

13
lib/attr.c
View file

@ -6,7 +6,7 @@
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* Copyright (c) 2003-2008 Thomas Graf <tgraf@suug.ch>
* Copyright (c) 2003-2013 Thomas Graf <tgraf@suug.ch>
*/
#include <netlink-private/netlink.h>
@ -868,6 +868,17 @@ int nla_parse_nested(struct nlattr *tb[], int maxtype, struct nlattr *nla,
return nla_parse(tb, maxtype, nla_data(nla), nla_len(nla), policy);
}
/**
* Return true if attribute has NLA_F_NESTED flag set
* @arg attr Netlink attribute
*
* @return True if attribute has NLA_F_NESTED flag set, oterhwise False.
*/
int nla_is_nested(struct nlattr *attr)
{
return !!(nla_type(attr) & NLA_F_NESTED);
}
/** @} */
/** @} */