interface: rework code to get rid of arbitrary IFNAMSIZ limitation for interface...

[project/netifd.git] / interface.c

diff --git a/interface.c b/interface.c
index 18322d7..5649324 100644 (file)
--- a/interface.c
+++ b/interface.c
@@ -536,15 +536,17 @@ void interface_set_proto_state(struct interface *iface, struct interface_proto_s
        state->iface = iface;
 }
 
-void
-interface_init(struct interface *iface, const char *name,
-              struct blob_attr *config)
+struct interface *
+interface_alloc(const char *name, struct blob_attr *config)
 {
+       struct interface *iface;
        struct blob_attr *tb[IFACE_ATTR_MAX];
        struct blob_attr *cur;
        const char *proto_name = NULL;
+       char *iface_name;
 
-       strncpy(iface->name, name, sizeof(iface->name) - 1);
+       iface = calloc_a(sizeof(*iface), &iface_name, strlen(name) + 1);
+       iface->name = strcpy(iface_name, name);
        INIT_LIST_HEAD(&iface->errors);
        INIT_LIST_HEAD(&iface->users);
        INIT_LIST_HEAD(&iface->hotplug_list);
@@ -610,6 +612,7 @@ interface_init(struct interface *iface, const char *name,
        iface->proto_ip.no_delegation = !blobmsg_get_bool_default(tb[IFACE_ATTR_DELEGATE], true);
 
        iface->config_autostart = iface->autostart;
+       return iface;
 }
 
 void interface_set_dynamic(struct interface *iface)