mcs/tests/gtest-fixedbuffer-03.cs

   1 // Compiler options: -unsafe
   2
   3 using System;
   4 using System.Runtime.InteropServices;
   5
   6 namespace Bug
   7 {
   8         [StructLayout (LayoutKind.Sequential, Pack = 1)]
   9         public unsafe struct xxx
  10         {
  11                 internal fixed byte zzz [5];
  12         }
  13
  14         internal class RedSkyTimeCode
  15         {
  16                 public unsafe void CopyTo (xxx* dest)
  17                 {
  18                         fixed (ulong* p = &_rep) {
  19                                 byte* pb = (byte*) p;
  20                                 dest->zzz [0] = pb [0];
  21                                 dest->zzz [1] = pb [1];
  22                                 dest->zzz [2] = pb [2];
  23                                 dest->zzz [3] = pb [3];
  24                                 dest->zzz [4] = pb [4];
  25                         }
  26                 }
  27
  28                 public static unsafe void Convert (xxx* src, ulong* dest)
  29                 {
  30                         byte* pb = (byte*) dest;
  31                         *dest = 0L;
  32                         pb [0] = src->zzz [0];
  33                         pb [1] = src->zzz [1];
  34                         pb [2] = src->zzz [2];
  35                         pb [3] = src->zzz [3];
  36                         pb [4] = src->zzz [4];
  37                 }
  38
  39                 private ulong _rep;
  40
  41                 public static void Main ()
  42                 {
  43                 }
  44         }
  45 }
  46