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| author | Holger Eitzenberger <holger@eitzenberger.org> | 2009-03-25 18:26:30 +0100 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2009-03-25 18:26:30 +0100 |
| commit | e487eb99cf9381a4f8254fa01747a85818da612b (patch) | |
| tree | 2381e552d88063982bea03a16db942ebcc295fc2 /include/net/netlink.h | |
| parent | d0dba7255b541f1651a88e75ebdb20dd45509c2f (diff) | |
| download | lwn-e487eb99cf9381a4f8254fa01747a85818da612b.tar.gz lwn-e487eb99cf9381a4f8254fa01747a85818da612b.zip | |
netlink: add nla_policy_len()
It calculates the max. length of a Netlink policy, which is usefull
for allocating Netlink buffers roughly the size of the actual
message.
Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'include/net/netlink.h')
| -rw-r--r-- | include/net/netlink.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/netlink.h b/include/net/netlink.h index 8a6150a3f4c7..eddb50289d6d 100644 --- a/include/net/netlink.h +++ b/include/net/netlink.h @@ -230,6 +230,7 @@ extern int nla_validate(struct nlattr *head, int len, int maxtype, extern int nla_parse(struct nlattr *tb[], int maxtype, struct nlattr *head, int len, const struct nla_policy *policy); +extern int nla_policy_len(const struct nla_policy *, int); extern struct nlattr * nla_find(struct nlattr *head, int len, int attrtype); extern size_t nla_strlcpy(char *dst, const struct nlattr *nla, size_t dstsize); |