Add extern "C" to header files.

Update issue 35
Status: FixedInGit

generator/nanopb_generator.py

@@ -438,7 +438,10 @@ def generate_header(dependencies, headername, enums, messages):
     for dependency in dependencies:
         noext = os.path.splitext(dependency)[0]
         yield '#include "%s.pb.h"\n' % noext
-    yield '\n'
+    
+    yield '#ifdef __cplusplus\n'
+    yield 'extern "C" {\n'
+    yield '#endif\n\n'
     
     yield '/* Enum definitions */\n'
     for enum in enums:
@@ -502,6 +505,10 @@ def generate_header(dependencies, headername, enums, messages):
                 yield 'STATIC_ASSERT((%s), YOU_MUST_DEFINE_PB_FIELD_32BIT)\n' % assertion
             yield '#endif\n'
     
+    yield '\n#ifdef __cplusplus\n'
+    yield '} /* extern "C" */\n'
+    yield '#endif\n'
+    
     # End of header
     yield '\n#endif\n'