X-Git-Url: http://git.archive.openwrt.org/?p=project%2Flibubox.git;a=blobdiff_plain;f=blob.h;h=37a572b0974940d1739590ea08a32d4d3c1d7e0e;hp=846de6e059d0b7b9cc190c7f87d338af05afe8e0;hb=93a4cb92c18334af6f102eb76a812d8e888510d4;hpb=be458596bd13f0a708d52efaa5c70bac2f8fe97d

diff --git a/blob.h b/blob.h
index 846de6e..37a572b 100644
--- a/blob.h
+++ b/blob.h
@@ -28,6 +28,8 @@
 
 #include "utils.h"
 
+#define BLOB_COOKIE		0x01234567
+
 enum {
 	BLOB_ATTR_UNSPEC,
 	BLOB_ATTR_NESTED,
@@ -40,10 +42,11 @@ enum {
 	BLOB_ATTR_LAST
 };
 
-#define BLOB_ATTR_ID_MASK  0xff000000
+#define BLOB_ATTR_ID_MASK  0x7f000000
 #define BLOB_ATTR_ID_SHIFT 24
 #define BLOB_ATTR_LEN_MASK 0x00ffffff
 #define BLOB_ATTR_ALIGN    4
+#define BLOB_ATTR_EXTENDED 0x80000000
 
 struct blob_attr {
 	uint32_t id_len;
@@ -83,6 +86,12 @@ blob_id(const struct blob_attr *attr)
 	return id;
 }
 
+static inline bool
+blob_is_extended(const struct blob_attr *attr)
+{
+	return !!(attr->id_len & cpu_to_be32(BLOB_ATTR_EXTENDED));
+}
+
 /*
  * blob_len: returns the length of the attribute's payload
  */