Hi,
I was just wondering why this is considered safer? I see no difference in
the two. Both will crash if i = NULL. So what's up? Or am I completely
off my rocker this evening.
Later...
...Chuck
On Sun, 28 Jul 1996, Niese-Petersen wrote:
> On Sun, 28 Jul 1996 goamkows@kirk.geog.scarolina.edu wrote:
>
> This is not an answer to the question, but a warning for a common
> bug....
>
> > for (i = world[ch->in_room].people; i; i = i->next_in_room)
> ^^^^^^^^^^^^^^^
> |
> This is dangerous. Special since 'i' has a chance for dying.
> If 'i' die, then 'i->next_in_room' is NULL or something weird, since
> 'i' is being extracted..
>
> what to do instead:
>
> Add a struct char_data *next_i;
>
> for (i = world[ch->in_room; i; i = next_i) {
> next_i = i->next_in_room;
> ...etc...
>
>
> ---
> Erik Niese-Petersen
> Aka Quint The typo God
> Realms of Darkness IMP [matrix.xiii.com 6666. Playertesting]
>
>
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