[Vm-dev] Integer overflow with BitBlt rule 20 and depth 32

Juan Vuletich juan at jvuletich.org
Sun Nov 1 22:53:26 UTC 2009

David T. Lewis wrote:
> On Fri, Oct 30, 2009 at 10:14:52AM -0300, Juan Vuletich wrote:
>> David T. Lewis wrote:
>>> Juan's patches (VMMaker-BitBlt-AlphaFixes-jmv-M7407.cs on Mantis 7047)
>>> do resolve the problems in the VM, and the changes all look correct to me
>>> (but I have no experience with bitblt, so I'm just commenting on the fixes
>>> for type declarations and arithmetic overflow). 
>>> Has anyone else had a chance to review this? If there are no issues or
>>> concerns, I will add Juan's alpha fixes to VMMaker.
>>> Dave
>> Good. Thanks!
> Hi Juan,
> There are a couple of spelling error in comments in your alpha
> patches for bitblt. I corrected them by editing the change set
> as follows:
>   #!/bin/sh
>   sed 's/aritm/arithm/g' VMMaker-BitBlt-AlphaFixes-jmv-M7407.cs \
>     | sed 's/operarions/operations/g' \
>     > VMMaker-BitBlt-AlphaFixes-jmv-M7407-patched.cs
> May I have your permission to use the edited version in VMMaker?
> This preserves your author initials and time stamps but corrects
> the minor spelling errors.
> This may sound like a silly request, but I did not want to modify
> any methods with your initials without asking you first.
> Thanks,
> Dave

Hi Dave,

Sure, thanks!

I guess you can tell I'm not a native English speaker... I do my best, 
but I do those mistakes from time to time. That's something that would 
be very useful to me, an English spelling checker for comments. I always 
use one for my email!

Juan Vuletich

More information about the Vm-dev mailing list