Re: cu coredumps
Timour Ezeev wrote:
> You got the first case AFAIK, but for the second case you are loosing cp
> when you assign it to tmp_cp. The possible solutions are:
Yeah, I didn't quite understand the second case. I was thinking that
because cp is just a local variable which holds the /dev/cuaa1 part (for
example) out of name (or atleast I think that's what it's doing), then
it wouldn't matter too much if I lost what was previously in cp?
>
> 1. Create new temp holder (in else) for cp and free() it after
> assignment
> or
> 2. If you dont want to create a new pointer, swap pointers in plase,
> like this
>
> (int)tmp_cp ^= (int)cp; (int)cp ^= (int)tmp_cp; (int)tmp_cp ^= (int)cp;
> free(tmp_cp);
Pointers and dynamic memory allocation stuff still confuses me a bit,
which isn't much of a suprise considering I have only had 4 weeks of C
programming stuff at University, then they moved onto Matlab :(
What does the ^= mean in the above?
>
> or something similar :)
>
> Regards,
>
Thanks for your help!
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