From e1b8a555f30d77a3c0094cf3678666b38f4b4bd3 Mon Sep 17 00:00:00 2001
From: Petteri Aimonen <jpa@git.mail.kapsi.fi>
Date: Sat, 9 Mar 2013 13:12:09 +0200
Subject: [PATCH] Fix additional bug with empty message types.

pb_field_next() would access past the fields array.
---
 pb_decode.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pb_decode.c b/pb_decode.c
index e2e89a0..fba8f64 100644
--- a/pb_decode.c
+++ b/pb_decode.c
@@ -312,6 +312,9 @@ static bool pb_field_next(pb_field_iterator_t *iter)
     if (PB_HTYPE(iter->current->type) == PB_HTYPE_REQUIRED)
         iter->required_field_index++;
     
+    if (iter->current->tag == 0)
+        return false; /* Only happens with empty message types */
+    
     iter->current++;
     iter->field_index++;
     if (iter->current->tag == 0)
-- 
2.16.6