libgo/misc/cgo/test/issue8428.go

   1 // Copyright 2014 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 // This test fails on older versions of OS X because they use older buggy
   6 // versions of Clang that emit ambiguous DWARF info.  See issue 8611.
   7 // +build !darwin
   8
   9 package cgotest
  10
  11 // Issue 8428.  Cgo inconsistently translated zero size arrays.
  12
  13 /*
  14 struct issue8428one {
  15         char b;
  16         char rest[];
  17 };
  18
  19 struct issue8428two {
  20         void *p;
  21         char b;
  22         char rest[0];
  23         char pad;
  24 };
  25
  26 struct issue8428three {
  27         char w[1][2][3][0];
  28         char x[2][3][0][1];
  29         char y[3][0][1][2];
  30         char z[0][1][2][3];
  31 };
  32 */
  33 import "C"
  34
  35 import "unsafe"
  36
  37 var _ = C.struct_issue8428one{
  38         b: C.char(0),
  39         // The trailing rest field is not available in cgo.
  40         // See issue 11925.
  41         // rest: [0]C.char{},
  42 }
  43
  44 var _ = C.struct_issue8428two{
  45         p:    unsafe.Pointer(nil),
  46         b:    C.char(0),
  47         rest: [0]C.char{},
  48 }
  49
  50 var _ = C.struct_issue8428three{
  51         w: [1][2][3][0]C.char{},
  52         x: [2][3][0][1]C.char{},
  53         y: [3][0][1][2]C.char{},
  54         z: [0][1][2][3]C.char{},
  55 }