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Diffstat (limited to 'netlink.c')
-rw-r--r--netlink.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/netlink.c b/netlink.c
index a60bd05..051d46c 100644
--- a/netlink.c
+++ b/netlink.c
@@ -277,6 +277,8 @@ unsigned int nl_get_ext_if(int s, sa_family_t af)
ifi = *(unsigned int *)RTA_DATA(rta);
}
}
+ if (status < 0)
+ warn("netlink: RTM_GETROUTE failed: %s", strerror(-status));
return ifi;
}
@@ -287,8 +289,10 @@ unsigned int nl_get_ext_if(int s, sa_family_t af)
* @ifi: Interface index
* @af: Address family
* @gw: Default gateway to fill on NL_GET
+ *
+ * Return: 0 on success, negative error code on failure
*/
-void nl_route_get_def(int s, unsigned int ifi, sa_family_t af, void *gw)
+int nl_route_get_def(int s, unsigned int ifi, sa_family_t af, void *gw)
{
struct req_t {
struct nlmsghdr nlh;
@@ -329,6 +333,7 @@ void nl_route_get_def(int s, unsigned int ifi, sa_family_t af, void *gw)
found = true;
}
}
+ return status;
}
/**
@@ -507,9 +512,11 @@ void nl_route_dup(int s_src, unsigned int ifi_src,
* @addr: Global address to fill
* @prefix_len: Mask or prefix length, to fill (for IPv4)
* @addr_l: Link-scoped address to fill (for IPv6)
+ *
+ * Return: 9 on success, negative error code on failure
*/
-void nl_addr_get(int s, unsigned int ifi, sa_family_t af,
- void *addr, int *prefix_len, void *addr_l)
+int nl_addr_get(int s, unsigned int ifi, sa_family_t af,
+ void *addr, int *prefix_len, void *addr_l)
{
struct req_t {
struct nlmsghdr nlh;
@@ -550,6 +557,7 @@ void nl_addr_get(int s, unsigned int ifi, sa_family_t af,
memcpy(addr_l, RTA_DATA(rta), RTA_PAYLOAD(rta));
}
}
+ return status;
}
/**
@@ -677,8 +685,10 @@ void nl_addr_dup(int s_src, unsigned int ifi_src,
* @s: Netlink socket
* @ifi: Interface index
* @mac: Fill with current MAC address
+ *
+ * Return: 0 on success, negative error code on failure
*/
-void nl_link_get_mac(int s, unsigned int ifi, void *mac)
+int nl_link_get_mac(int s, unsigned int ifi, void *mac)
{
struct req_t {
struct nlmsghdr nlh;
@@ -707,6 +717,7 @@ void nl_link_get_mac(int s, unsigned int ifi, void *mac)
memcpy(mac, RTA_DATA(rta), ETH_ALEN);
}
}
+ return status;
}
/**