RE: [DotGNU]infinite while loop, i think in Convert.ToBase64Strin g()

[Dawkins, David]

add some diags and see what value size starts at.
add some diags and track the value of numBits through that inner loop.
track the value of "bits >> numBits".

DavidD
> -----Original Message-----
> From: minddog [mailto:address@hidden
> Sent: 31 December 2002 07:29
> To: address@hidden
> Subject: [DotGNU]infinite while loop, i think in
> Convert.ToBase64String()
> 
> 
> Okay, was doin some base64 hackin and found this after adding 
> --numBits and 
> ++numBits:
> 
> 
> 
> address@hidden:~/dotgnu/pnetlib$ ilrun 
> ../homebrew-samples/a.out.exe 
> Uncaught exception: System.IndexOutOfRangeException: An array 
> index was out of 
> range
>         at System.Convert.ToBase64String(Byte[], Int32, Int32) in 
> ./System/Convert.cs:2633
>         at Sample.Main()
> 
> to this:
> 
>    2626                                 while(size > 0)
>    2627                                 {
>    2628                                         bits = (bits << 8) + 
> inArray[offset++];
>    2629                                         numBits += 8;
>    2630                                         --size;
>    2631                                         while(numBits >= 6)
>    2632                                         {
>    2633                                              
> builder.Append(base64[bits >> numBits]);
>    2634                                                 bits 
> &= ((1 << 
> numBits) - 1);
>    2635                                               // 
> infinite loop if no ++numBits or --numBits
>    2636                                         }
>    2637                                 }
> 
> 
> Can anyone determine whats up? 
> -- 
> --minddog( Adam Ballai )
> 
> "I try to take it one day at a time, but several of them 
> attack me at once."
> -mistyflip
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