blobmsg: add blobmsg_parse_attr function

This allows turning the common pattern of:
  blobmsg_parse(policy, ARRAY_SIZE(policy), tb, blobmsg_data(data), blobmsg_len(data));

into:
  blobmsg_parse_attr(policy, ARRAY_SIZE(policy), tb, data);

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/blobmsg.h b/blobmsg.h
index 5feaffe5e54f3341b0615b4e960f20244e1e8aba..a465ad59d7120f7fd3a78b44adef5a325699908d 100644 (file)
--- a/blobmsg.h
+++ b/blobmsg.h
@@ -178,6 +178,13 @@ int blobmsg_parse_array(const struct blobmsg_policy *policy, int policy_len,
 int blobmsg_add_field(struct blob_buf *buf, int type, const char *name,
                       const void *data, unsigned int len);
 
+static inline int
+blobmsg_parse_attr(const struct blobmsg_policy *policy, int policy_len,
+                  struct blob_attr **tb, struct blob_attr *data)
+{
+    return blobmsg_parse(policy, policy_len, tb, blobmsg_data(data), blobmsg_len(data));
+}
+
 static inline int
 blobmsg_add_double(struct blob_buf *buf, const char *name, double val)
 {