class/WindowsBase/ZipSharp/IOFunctions.cs

   1 // IOFunctions.cs created with MonoDevelop
   2 // User: alan at 14:43 20/10/2008
   3 //
   4 // To change standard headers go to Edit->Preferences->Coding->Standard Headers
   5 //
   6
   7 using System;
   8 using System.Runtime.InteropServices;
   9
  10 namespace zipsharp
  11 {
  12         // this matches a native 'enum', don't modify
  13         enum Append
  14         {
  15                 Create = 0,
  16                 CreateAfter = 1,
  17                 AddInZip = 2
  18         }
  19
  20         internal delegate IntPtr OpenFileFunc (IntPtr opaque, string filename, int mode);
  21
  22         internal delegate /* ulong */ IntPtr ReadFileFunc (IntPtr opaque, IntPtr stream, IntPtr buffer, /* ulong */ IntPtr size);
  23         internal delegate /* ulong */ IntPtr WriteFileFunc (IntPtr opaque, IntPtr stream, IntPtr buffer, /* ulong */ IntPtr size);
  24
  25         internal delegate /* long */ IntPtr TellFileFunc (IntPtr opaque, IntPtr stream);
  26         internal delegate /* long */ IntPtr SeekFileFunc (IntPtr opaque, IntPtr stream, /* ulong */ IntPtr offset, int origin);
  27
  28         internal delegate int CloseFileFunc (IntPtr opaque, IntPtr stream);
  29         internal delegate int TestErrorFileFunc (IntPtr opaque, IntPtr stream);
  30
  31         [StructLayout (LayoutKind.Sequential)]
  32         internal struct ZlibFileFuncDef
  33         {
  34                 [MarshalAs (UnmanagedType.FunctionPtr)] public OpenFileFunc      zopen_file;
  35                 [MarshalAs (UnmanagedType.FunctionPtr)] public ReadFileFunc      zread_file;
  36                 [MarshalAs (UnmanagedType.FunctionPtr)] public WriteFileFunc     zwrite_file;
  37                 [MarshalAs (UnmanagedType.FunctionPtr)] public TellFileFunc      ztell_file;
  38                 [MarshalAs (UnmanagedType.FunctionPtr)] public SeekFileFunc      zseek_file;
  39                 [MarshalAs (UnmanagedType.FunctionPtr)] public CloseFileFunc     zclose_file;
  40                 [MarshalAs (UnmanagedType.FunctionPtr)] public TestErrorFileFunc zerror_file;
  41                 [MarshalAs (UnmanagedType.FunctionPtr)] public IntPtr            opaque;
  42         }
  43 }