Ah, I see. Thanks for showing that pitfall, I could easily have done
the same thing.
Cheers,
Chris Anderson
On 7/14/05, Allin Cottrell <[EMAIL PROTECTED]> wrote:
> On Thu, 14 Jul 2005, Christopher Anderson wrote:
>
> > I am curious, could you explain your solution?
>
> OK, at the cost of some embarrassment ;-)
>
> Quoting my test function:
>
> int main (void)
> {
> GList *list = NULL;
>
> list = g_list_append(list, "foo");
> list = g_list_append(list, "bar");
> list = g_list_append(list, "baz");
>
> puts("\nBefore prepending:");
>
> while (list) {
> printf("list data = '%s'\n", (char *) list->data);
> list = g_list_next(list);
> }
>
> Bzzzt!! On the first iteration of the above printing loop I lose
> the true start of "list". I should have used a temporary variable
> for looping over the list elements, as in
>
> GList *tmp = list;
>
> while (tmp) {
> printf("list data = '%s'\n", (char *) tmp->data);
> tmp = g_list_next(tmp);
> }
>
> Or I suppose I could have used g_list_foreach() with a callback
> function, though I find that a bit awkward.
>
> Allin Cottrell
>
>
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