On Wed, Aug 21, 2013 at 1:01 AM, Andreas Schwab <sch...@linux-m68k.org> wrote:
> Erik Faye-Lund <kusmab...@gmail.com> writes:
>> I don't see how it's undefined. It's using the memory that 'pos'
>> *points to* that is undefined, no? The difference between 'pos' and
>> 'str' should still be the same, it's not like realloc somehow
>> magically updates 'pos'...
> It does. Think of segmented architectures, where freeing a pointer
> invalidates its segment, so that even loading the value of the pointer
> traps. Probably no such architecture is in use any more, though.
Wow, you're right. And since doing it the right way is pretty much the same
complexity (and possibly even a bit easier to follow), that's probably the
best thing to go with, then. Thanks for keeping me straight!
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