From: Petteri Aimonen <jpa@git.mail.kapsi.fi>
Date: Wed, 6 Mar 2013 16:02:57 +0000 (+0200)
Subject: Add a dummy field if struct would otherwise be empty.
X-Git-Tag: 5.0.2~186^2~399
X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=commitdiff_plain;h=5522e02133be7d9dfd2f350f2774dfc0abc15686;p=apps%2Fagl-service-can-low-level.git

Add a dummy field if struct would otherwise be empty.

Update issue 64
Status: FixedInGit
---

diff --git a/generator/nanopb_generator.py b/generator/nanopb_generator.py
index c3b5fbee..663745a1 100644
--- a/generator/nanopb_generator.py
+++ b/generator/nanopb_generator.py
@@ -300,6 +300,12 @@ class Message:
     
     def __str__(self):
         result = 'typedef struct _%s {\n' % self.name
+
+        if not self.ordered_fields:
+            # Empty structs are not allowed in C standard.
+            # Therefore add a dummy field if an empty message occurs.
+            result += '    uint8_t dummy_field;'
+
         result += '\n'.join([str(f) for f in self.ordered_fields])
         result += '\n}'