On Sun, 2004-12-12 at 18:26, Bill Kendrick wrote:
> So okay, I'm seriously confused. How did moving i-- cause an array overrun?
>
>
> This code is crashing for me:
>
> while (i--)
> {
> mc = work + i;
If you have N items and need 0-based access to them,
the "while(N--)" loop is a nice idiom for handling
the problem.
When you moved the i-- past the assignment of mc, the
values assigned to mc become 1-based instead of 0-based.
Add -lefence to your compiler flags to link in Electric
Fence if you want to reliably see the problem.
Valgrind would be even better.
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