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include: Add helper to retrieve a __s64 from a netlink msg 

This allows signed 64-bit integers to be retrieved from a netlink
message.

Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
This commit is contained in:
Vinicius Costa Gomes 2018-10-05 16:25:18 -07:00 committed by David Ahern
parent a066bac8a2
commit de63cd9044
1 changed files with 7 additions and 0 deletions
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7
include/libnetlink.h
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@ -203,6 +203,13 @@ static inline __u64 rta_getattr_u64(const struct rtattr *rta)
memcpy(&tmp, RTA_DATA(rta), sizeof(__u64)); memcpy(&tmp, RTA_DATA(rta), sizeof(__u64));
return tmp; return tmp;
} }
static inline __s64 rta_getattr_s64(const struct rtattr *rta)
{
__s64 tmp;
memcpy(&tmp, RTA_DATA(rta), sizeof(tmp));
return tmp;
}
static inline const char *rta_getattr_str(const struct rtattr *rta) static inline const char *rta_getattr_str(const struct rtattr *rta)
{ {
return (const char *)RTA_DATA(rta); return (const char *)RTA_DATA(rta);