On Tue, 2014-07-15 at 15:47 -0700, Junio C Hamano wrote:
> Jacob Keller <jacob.e.keller@xxxxxxxxx> writes:
>
> > extern void set_error_routine(void (*routine)(const char *err, va_list params));
> > +extern void pop_error_routine(void);
>
> pop that undoes set smells somewhat weird. Perhaps we should rename
> set to push? That would allow us catch possible topics that add new
> calls to set_error_routine() as well by forcing the system not to
> link when they are merged without necessary fixes.
>
I thought about changing set too, but wasn't sure that made sense..?
That does make more sense now though. There *are* valid use cases where
a set_error_routine is used without a pop, (the one current use, I
think).
I'll update this patch with that change.
> > +/* push error routine onto the error function stack */
> > void set_error_routine(void (*routine)(const char *err, va_list params))
> > {
> > - error_routine = routine;
> > + struct error_func_list *efl = xmalloc(sizeof(*efl));
> > + efl->func = routine;
> > + efl->next = error_funcs;
> > + error_funcs = efl;
> > +}
> > +
> > +/* pop a single error routine off of the error function stack, thus reverting
> > + * to previous error. Should always be paired with a set_error_routine */
> > +void pop_error_routine(void)
> > +{
> > + assert(error_funcs != &default_error_func);
> > +
> > + struct error_func_list *efl = error_funcs;
>
> decl-after-stmt. Can be fixed easily by flipping the above two
> lines.
Oh, right yes. I'll fix that in a resend as well.
Thanks,
Jake
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