Re: [PATCH V9 05/14] perf tools: tidy up sample parsing overflowchecking

From: Adrian Hunter
Date: Wed Aug 07 2013 - 04:13:40 EST

On 07/08/13 11:09, Namhyung Kim wrote:
> On Mon, 5 Aug 2013 19:26:25 +0300, Adrian Hunter wrote:
>> The size of data retrieved from a sample event must be
>> validated to ensure it does not go past the end of the
>> event. That was being done sporadically and without
>> considering integer overflows.
> Wouldn't it be great if the macro (or something) can do all three things
> together - checking overflow, getting current value (pointer) and
> advancing the array to the size? Is that possible?

Macros are not the answer to everything.

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