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! -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
