[PATCH] io: ftw: Use state stack instead of recursion (BZ 33882)

[Adhemerval Zanella Netto]

On 19/02/26 08:42, Andreas Schwab wrote:
> On Feb 18 2026, Adhemerval Zanella wrote:
> 
>> +static struct ftw_frame *
>> +stack_top(struct ftw_data *data)
>> +{
>> +  if (data->stack_size == 0)
>> +    return NULL;
> 
> I think this should be an assertion, this and stack_pop should never be
> called with an empty stack.  The uses of stack_top don't check for NULL
> anyway.
> 

Agreed, I will change it.