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| author | Thomas Graf <tgraf@suug.ch> | 2013-02-05 21:31:31 (GMT) |
|---|---|---|
| committer | Thomas Graf <tgraf@suug.ch> | 2013-02-05 21:31:31 (GMT) |
| commit | 9f8548b5513a9e9aba52b417c4e36e817d68781f (patch) | |
| tree | b9614e2a8236bd16ab5ed2144b809dd7427d9778 | |
| parent | 8026fe2e3a9089eff3f5a06ee6e3cc78d96334ed (diff) | |
| download | libnl-9f8548b5513a9e9aba52b417c4e36e817d68781f.zip libnl-9f8548b5513a9e9aba52b417c4e36e817d68781f.tar.gz libnl-9f8548b5513a9e9aba52b417c4e36e817d68781f.tar.bz2 | |
attr: Provide nla_is_nested() function
Signed-off-by: Thomas Graf <tgraf@suug.ch>
| -rw-r--r-- | include/netlink/attr.h | 3 | ||||
| -rw-r--r-- | lib/attr.c | 13 |
2 files changed, 14 insertions, 2 deletions
diff --git a/include/netlink/attr.h b/include/netlink/attr.h index 4d32113..69ecb08 100644 --- a/include/netlink/attr.h +++ b/include/netlink/attr.h @@ -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) @@ -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); +} + /** @} */ /** @} */ |