Fixed invalid code generated due to zero-length arrays in structs/union. (#575)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b9e9aec..7418a01 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md

@@ -1,3 +1,7 @@
+# 8.0.2
+
+- Fixed invalid code generated due to zero-length arrays in structs/union.
+
 # 8.0.1
 
 - Fixed invalid code generated due to anonymous structs/unions with unsupported types.

diff --git a/lib/src/header_parser/type_extractor/extractor.dart b/lib/src/header_parser/type_extractor/extractor.dart
index 5b2620b..c3c8054 100644
--- a/lib/src/header_parser/type_extractor/extractor.dart
+++ b/lib/src/header_parser/type_extractor/extractor.dart

@@ -118,10 +118,13 @@
       return _extractFromFunctionProto(cxtype, cursor: originalCursor);
     case clang_types.CXTypeKind
           .CXType_ConstantArray: // Primarily used for constant array in struct members.
-      return ConstantArray(
-        clang.clang_getNumElements(cxtype),
-        clang.clang_getArrayElementType(cxtype).toCodeGenType(),
-      );
+      final numElements = clang.clang_getNumElements(cxtype);
+      final elementType =
+          clang.clang_getArrayElementType(cxtype).toCodeGenType();
+      // Handle numElements being 0 as an incomplete array.
+      return numElements == 0
+          ? IncompleteArray(elementType)
+          : ConstantArray(numElements, elementType);
     case clang_types.CXTypeKind
           .CXType_IncompleteArray: // Primarily used for incomplete array in function parameters.
       return IncompleteArray(

diff --git a/pubspec.yaml b/pubspec.yaml
index c7e48f1..c8fad03 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml

@@ -3,7 +3,7 @@
 # BSD-style license that can be found in the LICENSE file.
 
 name: ffigen
-version: 8.0.1
+version: 8.0.2
 description: Generator for FFI bindings, using LibClang to parse C header files.
 repository: https://github.com/dart-lang/ffigen
 

diff --git a/test/header_parser_tests/function_n_struct.h b/test/header_parser_tests/function_n_struct.h
index e428cf3..b3c43a7 100644
--- a/test/header_parser_tests/function_n_struct.h
+++ b/test/header_parser_tests/function_n_struct.h

@@ -40,6 +40,14 @@
     arr10 a[2];
 };
 
+// All members should be removed, Zero-length arrays are equivalent to
+// flexible arrays members (by an extension) are not supported.
+struct Struct7
+{
+    int a;
+    int b[0]; // Flexible array member.
+};
+
 void func1(struct Struct2 *s);
 
 // Incomplete array parameter will be treated as a pointer.

diff --git a/test/header_parser_tests/function_n_struct_test.dart b/test/header_parser_tests/function_n_struct_test.dart
index b61070c..5ddd58a 100644
--- a/test/header_parser_tests/function_n_struct_test.dart
+++ b/test/header_parser_tests/function_n_struct_test.dart

@@ -58,6 +58,9 @@
       expect(actual.getBindingAsString('Struct6'),
           expected.getBindingAsString('Struct6'));
     });
+    test('Struct7 zero length array (extension on flexible array member)', () {
+      expect((actual.getBinding('Struct7') as Struct).members.isEmpty, true);
+    });
     test('func3 constant typedef array parameter', () {
       expect(actual.getBindingAsString('func3'),
           expected.getBindingAsString('func3'));
@@ -117,6 +120,7 @@
       Struct(name: 'Struct6', members: [
         Member(name: 'a', type: ConstantArray(2, ConstantArray(10, intType)))
       ]),
+      Struct(name: 'Struct7'),
     ],
   );
 }