cgen: fix generated code for fixed array cast (fix #20454) (#20480)

vlang · Jan 12, 2024 · bcd77ed · bcd77ed
1 parent b120c10
commit bcd77ed
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Showing 2 changed files with 18 additions and 0 deletions.
diff --git a/vlib/v/gen/c/array.v b/vlib/v/gen/c/array.v
@@ -146,6 +146,10 @@ fn (mut g Gen) fixed_array_init(node ast.ArrayInit, array_type Type, var_name st
 		ret_typ := g.typ(node.typ)
 		g.write('${ret_typ} ${tmp_var} = ')
 	}
+	if g.inside_struct_init && g.inside_cast {
+		ret_typ := g.typ(node.typ)
+		g.write('(${ret_typ})')
+	}
 	g.write('{')
 	if node.has_val {
 		tmp_inside_array := g.inside_array_item

diff --git a/vlib/v/tests/cast_fixed_array_to_ptr_ptr_test.v b/vlib/v/tests/cast_fixed_array_to_ptr_ptr_test.v
@@ -0,0 +1,14 @@
+struct Foo {
+	bar &&char
+}
+
+fn test_main() {
+	foo := Foo{
+		bar: unsafe {
+			&&char(['a', 'b', nil]!)
+		}
+	}
+	println(foo)
+	a := unsafe { cstring_to_vstring(*foo.bar) }
+	assert a == 'a'
+}