Imported Upstream version 1.2upstream/1.2

1 files changed, 41 insertions, 0 deletions

diff --git a/misc/cgo/testcdefs/cdefstest.go b/misc/cgo/testcdefs/cdefstest.go
new file mode 100644
index 000000000..e6305b77d
--- /dev/null
+++ b/misc/cgo/testcdefs/cdefstest.go
@@ -0,0 +1,41 @@
+// Copyright 2013 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+// +build ignore
+
+package cgotest
+
+/*
+// This file tests a bug found in the cgo -cdefs tool that incorrectly
+// translated Go pointer arrays generated by the cgo godefs tool back into C
+// pointer arrays.
+//
+// The comments below show how the type is translated from gcc-style C into Go
+// and back into C for both the buggy version and the correct version
+
+struct cdefsTest {
+	// This was already being handled correctly
+	// Correct: -> Array [20]int8 -> int8 array[20]
+	char array1[20];
+
+	// Buggy:   -> Array [20][20]int8 -> [20]int8 array[20]
+	// Correct: -> Array [20][20]int8 -> int8 array[20][20]
+	char array2[20][20];
+
+	// Buggy:   -> Array [20]*int8 -> *int8 array[20]
+	// Correct: -> Array [20]*int8 -> int8 *array[20]
+	char *array3[20];
+
+	// Buggy:   -> Array [20][20]*int8 -> [20]*int8 array[20]
+	// Correct: -> Array [20]**int8 -> int8 *array[20][20]
+	char *array4[20][20];
+
+	// Buggy:   -> Array [20][20]**int8 -> [20]**int8 array[20]
+	// Correct: -> Array [20][20]**int8 -> int8 **array[20][20]
+	char **array5[20][20];
+};
+*/
+import "C"
+
+type CdefsTest C.struct_cdefsTest