From 182293c507c499d9acae210276fa831628857c0a Mon Sep 17 00:00:00 2001
From: Denys Smirnov <dennwc@pm.me>
Date: Fri, 20 Oct 2023 14:08:32 +0300
Subject: [PATCH] cxgo: Convert dynamic C arrays to slices.

---
 c_decl_test.go | 11 +++++++++++
 c_type.go      |  3 +++
 2 files changed, 14 insertions(+)

diff --git a/c_decl_test.go b/c_decl_test.go
index 9de82a6..3303c1c 100644
--- a/c_decl_test.go
+++ b/c_decl_test.go
@@ -673,6 +673,17 @@ func foo() {
 	var a [1][0]int32
 	_ = a
 }
+`,
+	},
+	{
+		name: "dyn array arg",
+		src: `
+void foo(int a[]) {
+}
+`,
+		exp: `
+func foo(a []int32) {
+}
 `,
 	},
 	{
diff --git a/c_type.go b/c_type.go
index 07586e1..e7effae 100644
--- a/c_type.go
+++ b/c_type.go
@@ -85,6 +85,9 @@ func (g *translator) convertTypeRoot(conf IdentConfig, t cc.Type, where token.Po
 	if p, ok := ft.(types.PtrType); ok && p.ElemKind().IsFunc() {
 		ft = p.Elem()
 	}
+	if p, ok := ft.(types.ArrayType); ok && p.Len() == 0 {
+		ft = types.SliceT(p.Elem())
+	}
 	return ft
 }