blobmsg: allow data/length iterator/accessor functions to work on non-blobmsg elements

[project/libubox.git] / blobmsg.h

diff --git a/blobmsg.h b/blobmsg.h
index 4619643..e9e0e6e 100644 (file)
--- a/blobmsg.h
+++ b/blobmsg.h
@@ -65,7 +65,12 @@ static inline int blobmsg_type(const struct blob_attr *attr)
 static inline void *blobmsg_data(const struct blob_attr *attr)
 {
        struct blobmsg_hdr *hdr = (struct blobmsg_hdr *) blob_data(attr);
-       return (char *) hdr + blobmsg_hdrlen(be16_to_cpu(hdr->namelen));
+       char *data = blob_data(attr);
+
+       if (blob_is_extended(attr))
+               data += blobmsg_hdrlen(be16_to_cpu(hdr->namelen));
+
+       return data;
 }
 
 static inline int blobmsg_data_len(const struct blob_attr *attr)