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Make nl.c:nl_rtattr_parse() use the standard NLMSG_* and RTA_* macros.

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It's easier to verify correct behavior this way.
This commit is contained in:
Nicholas J. Kain 2014-03-17 20:02:22 -04:00
parent 268e88dc24
commit 8416d5a633
2 changed files with 4 additions and 12 deletions
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11
ndhc/nl.c
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@ -81,13 +81,10 @@ void nl_attr_parse(const struct nlmsghdr *nlh, size_t offset,
void nl_rtattr_parse(const struct nlmsghdr *nlh, size_t offset,
nl_rtattr_parse_fn workfn, void *data)
{
struct rtattr *attr;
for (attr = (struct rtattr *)
((char *)nlh + NLMSG_HDRLEN + NLMSG_ALIGN(offset));
rtattr_ok(attr, (char *)nlh + NLMSG_ALIGN(nlh->nlmsg_len) -
(char *)attr);
attr = (struct rtattr *)((char *)attr + NLMSG_ALIGN(attr->rta_len)))
{
struct rtattr *attr =
(struct rtattr *)((char *)NLMSG_DATA(nlh) + NLMSG_ALIGN(offset));
size_t rtlen = nlh->nlmsg_len - NLMSG_HDRLEN - NLMSG_ALIGN(offset);
for (; RTA_OK(attr, rtlen); attr = RTA_NEXT(attr, rtlen)) {
if (workfn(attr, attr->rta_type, data) < 0)
break;
}

5
ndhc/nl.h
View File

@ -44,11 +44,6 @@ static inline int nl_attr_ok(const struct nlattr *attr, size_t len)
return 1;
}
static inline int rtattr_ok(const struct rtattr *attr, size_t len)
{
return RTA_OK(attr, len);
}
static inline size_t nlattr_get_len(const struct nlattr *attr)
{
return attr->nla_len;