ucode: check for errors in ftruncate()

[project/udebug.git] / lib.c

diff --git a/lib.c b/lib.c
index 5c5cd7e1c74335073fe911f2ae5f44a03bf079ce..55a272ae0efbc3cbb98381cfc1bb207430ad61e1 100644 (file)
--- a/lib.c
+++ b/lib.c
@@ -120,7 +120,7 @@ void udebug_ubus_apply_config(struct udebug *ud, struct udebug_ubus_ring *rings,
 
                blobmsg_parse_attr(policy, __CFG_ATTR_MAX, tb, data);
 
-               if ((cur = tb[CFG_ATTR_ENABLE]) != NULL)
+               if (enabled && (cur = tb[CFG_ATTR_ENABLE]) != NULL)
                        cur_enabled = !!atoi(blobmsg_get_string(cur));
 
                if ((cur = tb[CFG_ATTR_SIZE]) != NULL)
@@ -150,6 +150,27 @@ void udebug_ubus_apply_config(struct udebug *ud, struct udebug_ubus_ring *rings,
        }
 }
 
+void udebug_netlink_msg(struct udebug_buf *buf, uint16_t proto, const void *data, size_t len)
+{
+       struct {
+               uint16_t pkttype;
+               uint16_t arphdr;
+               uint16_t _pad[5];
+               uint16_t proto;
+       } hdr = {
+               .arphdr = cpu_to_be16(824),
+               .proto = cpu_to_be16(proto),
+       };
+
+       if (!udebug_buf_valid(buf))
+               return;
+
+       udebug_entry_init(buf);
+       udebug_entry_append(buf, &hdr, sizeof(hdr));
+       udebug_entry_append(buf, data, len);
+       udebug_entry_add(buf);
+}
+
 void udebug_ubus_init(struct udebug_ubus *ctx, struct ubus_context *ubus,
                      const char *service, udebug_config_cb cb)
 {