From 9c1eaaeb49d69aaffe5ac2838adee89a1ec779a7 Mon Sep 17 00:00:00 2001
From: Alexey <alex.esprit@gmail.com>
Date: Sun, 5 Apr 2020 13:31:25 +0300
Subject: [PATCH] cgen: declare empty structs correctly

---
 vlib/v/gen/cgen.v | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/vlib/v/gen/cgen.v b/vlib/v/gen/cgen.v
index 3bd7d88d96..d34e908447 100644
--- a/vlib/v/gen/cgen.v
+++ b/vlib/v/gen/cgen.v
@@ -2168,10 +2168,14 @@ fn (g mut Gen) write_types(types []table.TypeSymbol) {
 				info := typ.info as table.Struct
 				// g.definitions.writeln('typedef struct {')
 				g.definitions.writeln('struct $name {')
-				for field in info.fields {
-					type_name := g.typ(field.typ)
-					field_name := c_name(field.name)
-					g.definitions.writeln('\t$type_name $field_name;')
+				if info.fields.len > 0 {
+					for field in info.fields {
+						type_name := g.typ(field.typ)
+						field_name := c_name(field.name)
+						g.definitions.writeln('\t$type_name $field_name;')
+					}
+				} else {
+					g.definitions.writeln('EMPTY_STRUCT_DECLARATION;')
 				}
 				// g.definitions.writeln('} $name;\n')
 				//