[Mono-bugs] [Bug 335488] Marshal.StringToHGlobalAnsi doesn't support embedded '\0' in string

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=335488#c1


Sebastien Pouliot <spouliot at novell.com> changed:

           What    |Removed                                         |Added
----------------------------------------------------------------------------
 Attachment #179564|0                                               |1
        is obsolete|                                                |




--- Comment #1 from Sebastien Pouliot <spouliot at novell.com>  2007-11-06 08:33:18 MST ---
Created an attachment (id=182226)
 --> (https://bugzilla.novell.com/attachment.cgi?id=182226)
runtime patch

This gets us the same behavior as 1.1 and 2.0 with the sample code (added a few
C.WL):

using System;
using System.Runtime.InteropServices;

namespace TestMarshalStringToHGlobalAnsi {
        class Program {
                static void Main(string[] args)
                {
                        const int size = 4096; 
                        string s = "".PadLeft(size, '\0');

                        Console.WriteLine (s.Length);
                        IntPtr ptr = Marshal.StringToHGlobalAnsi(s);
                        string s2 = Marshal.PtrToStringAnsi (ptr);
                        Console.WriteLine (s2.Length);

                        for (int i = 0; i < size; i += 4) {
                                Marshal.WriteInt32(ptr, i, 0);
                        }

                        Marshal.FreeHGlobal(ptr);
                }
        }
}


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