Re: g_type_check_instance_cast segfault with entries

[Tristan Van Berkom <vantr touchtunes com>]

snagg wrote:
[...]
> for(i = 0 ; list[i] != NULL; i++){
>
>    temp = gtk_editable_get_chars (GTK_EDITABLE (list[i]),0,-1);
>
>    snprintf(tmp,2056,"  list[%d]=\"%s\";\n",i , temp);
>
> It segfaults with this message:
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x4041ecdc in g_type_check_instance_cast () from /usr/lib/libgobject-2.0.so.0
> (gdb)
> (gdb) bt
> #0  0x4041ecdc in g_type_check_instance_cast () 
> from /usr/lib/libgobject-2.0.so.0
> #1  0x0804c227 in list_comp () at ged.c:104 --> the fuction wich take entries

    `g_type_check_instance_cast()' is invoked in the macro `GTK_EDITABLE()'
So I'm pretty sure that `list[i]' is invalid. Is it possible that list[i]
is uninitialized on one of the passes ? (did you forget to mark the last
element in list; i.e. `list[n] = NULL;' ?).

Cheers,
                                 -Tristan