Fix bugs in extension support when multiple extension fields are present.

[apps/agl-service-can-low-level.git] / pb_encode.c

diff --git a/pb_encode.c b/pb_encode.c
index 58d76a7..d6ba7e3 100644 (file)
--- a/pb_encode.c
+++ b/pb_encode.c
@@ -161,9 +161,14 @@ static bool checkreturn encode_static_field(pb_ostream_t *stream,
 {
     pb_encoder_t func;
     const void *pSize;
+    bool dummy = true;
     
     func = PB_ENCODERS[PB_LTYPE(field->type)];
-    pSize = (const char*)pData + field->size_offset;
+    
+    if (field->size_offset)
+        pSize = (const char*)pData + field->size_offset;
+    else
+        pSize = &dummy;
     
     switch (PB_HTYPE(field->type))
     {