Re: G_LIST_REMOVE not working... at least not for me :-)

[Mike Dailey <daileyml yahoo com>]

Ahhh... I see!  Thank you.  That makes perfect sense. 
This doesn't seem to be explained very well in the
documentation, and the few examples I was able to find
were not documented well enough to figure this out.

Thanks!

Mike

--- Havoc Pennington <hp redhat com> wrote:
> On Sat, Nov 16, 2002 at 03:50:05PM -0800, Mike
> Dailey wrote:
> > mainConnMgmtComboList = g_list_remove
> > (mainConnMgmtComboList,
> > g_strdup(FMC->appCURMGMTHOST.c_str()));
>
> C doesn't work this way; it doesn't know what the
> void* in the 
> GSList points to. You have to remove the string
> using exactly the 
> same pointer used to add the string.
>
> GList*
> remove_string_by_value (GList *list, const char
> *str)
> {
>   GList *iter;
>   iter = list;
>   while (iter != NULL)
>     {                   
>       const char *s = iter->data;
>       if (strcmp (s, str) == 0)
>         return g_list_remove (list, iter->data);
>       iter = iter->next;
>     }
>   return list;
> }
>
> You can make it more efficient by unlinking the list
> node "iter" when
> the string matches, instead of using g_list_remove
> which scans from
> the front of the list, but it's somewhat more
> tricky.
>
> Havoc


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