[Dotgnu-pnet] [bug #26222] negative count for String.CopyTo causes segfault

[Thomas Uxiou]

URL:
  <http://savannah.gnu.org/bugs/?26222>

                 Summary: negative count for String.CopyTo causes segfault
                 Project: DotGNU Portable.NET
            Submitted by: uxiou
            Submitted on: Sat Apr 18 08:40:50 2009
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

char[] dest = new char[2];
"Foo".CopyTo(0, dest, 0, -1);

patch:
# diff -u a/runtime/System/String.cs b/runtime/System/String.cs
# --- a/runtime/System/String.cs
# +++ b/runtime/System/String.cs
# @@ -697,6 +697,11 @@ public sealed class String : IComparable, ICloneable,
IEnumerable
#                                       throw new ArgumentOutOfRangeException
#                                               ("destinationIndex", 
_("ArgRange_Array"));
#                               }
# +                             else if(count < 0)
# +                             {
# +                                     throw new ArgumentOutOfRangeException
# +                                             ("count", 
_("ArgRange_StringRange"));
# +                             }
#                               else if((length - sourceIndex) < count ||
#                                               (destination.Length - 
destinationIndex) < count)
#                               {




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