Re: ?gtk_notebook_remove_page alter other data in structures?

[Axel <axel azerty netcourrier com>]

Axel wrote:

> I am not sure if it s a bug or a programming error.
> Here is the context
> I implement a double-linked list, and each element of this list is a 
> structure.
> typedef struct tab{
>         GtkNotebook *note;
>         struct tab* next;
>         struct tab* previous;
>         int index;
>         /* misc data */
>         } tab;
> typedef tab* list;
> typedef list* plist;
>
> The first element : previous = NULL and for the last : next=NULL
> all the "note" data of the elements point to the same shared GtkNotebook.
>
> it seems that removing a page of GtkNotebook causes "next" to be 
> modified.
>
> so, imagine I want to close the first tab, here is what I do
>
>
> plist file,temp;
>
> if ((*file)->prev==NULL)
>             {
>         /* We are on the first */
>             g_print("DELETE THE FIRST\n");
>             (*file)=(*file)->next;
>             free((*file)->prev);
>             (*file)->prev=NULL;
>             *temp=*file;
>             while (*temp!=NULL)
>             {
> g_print("BEFORE %d AFTER d\n",(*temp)->index,(*temp)->index-1);
>             (*temp)->index=(*temp)->index-1;
>             (*temp)=(*temp)->next;
>             }
>                
>             }
>
>
>
> so at the end of this "while" loop, the new current "file" pointed 
> value as the good index: 0, since it is the first.
>
> now, i call :
>
> g_print("Current position in file %d\n",(*file)->index);  // result : 0
> gtk_notebook_remove_page((*file)->onglets,current_tab);
> g_print("Current position in file %d\n",(*file)->index); // result : 1
>
>
> so, I think there is something strange.
> previous was equal to NULL, and next equal to 1
> I have checked, it seems that (*file) has been deplaced to his next 
> value : (*file)->next, the index has not been change, it is the adress 
> in *file which has been changed by (*file)->next. (I say that because 
> I can switch to another tabn and then to the first, and I get the 
> right index)
>
>
> Is it normal ?Or an error in my code ?or a bug?
>
>
> Axel
>
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Don' t take attention to this post, I ve made a mistake I just discover
Sorry for noise