1 files changed, 4 insertions, 0 deletions
diff --git a/pb.h b/pb.h
index 6f843854..63d313dc 100644
--- a/pb.h
+++ b/pb.h
@@ -341,6 +341,10 @@ struct _pb_extension_t {
      * If this extension does not match a field, the next handler is
      * automatically called. */
     pb_extension_t *next;
+
+    /* The decoder sets this to true if the extension was found.
+     * Ignored for encoding. */
+    bool found;
 };
 
 /* Memory allocation functions to use. You can define pb_realloc and