Re: Customizing variable's summary
Re: Customizing variable's summary
- Subject: Re: Customizing variable's summary
- From: Ricky Sharp <email@hidden>
- Date: Wed, 12 Nov 2003 04:07:49 -0800
On Wednesday, November 12, 2003, at 02:29AM, Eric Albert <email@hidden> wrote:
>At 11:56 AM -0800 11/11/03, Ricky Sharp wrote:
>>Would it be better than crashing to basically code up an "is pointer
>>valid" routine? Someone posted to carbon-dev some clever code (that
>>uses mach-messages?) to see if a pointer is valid within the current
>>context. Is there perhaps an API that can be called to give us such
>>functionality, or would each plugin developer potentially need to
>>roll their own solution?
>
>That "someone" was me, a long time ago. :) I've pasted the code
>below. While I can't speak for any of the OS or dev tools teams, I
>don't think this would be a good API. It's only a test of whether
>the address in question is mapped in your process' address space. If
>you're looking at an uninitialized value, sometimes that value will
>randomly happen to be in your address space.
Good catch about pointers that could randomly be in your space; didn't think about that one.
Thanks for reposting the code!
Rick
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