Re: [PATCH 19/22] sequencer: support cleaning up commit messages

> W dniu 29.08.2016 o 10:06, Johannes Schindelin pisze:
> 
> > @@ -781,7 +785,7 @@ static int do_pick_commit(enum todo_command command, struct commit *commit,
> >  	}
> >  	if (!opts->no_commit)
> >  		res = sequencer_commit(opts->edit ? NULL : git_path_merge_msg(),
> > -			opts, allow, opts->edit, 0);
> > +			opts, allow, opts->edit, 0, 0);
> 
> The calling convention begins to look unwieldy, but we have only
> a single such callsite, and there are quite a bit callsites in
> Git code that have similar API ("git grep ', 0, 0' -- '*.c'").
> So we don't need to think about alternatives.  Yet.

> It's a pity that emulation of named parameters in C requires
> relying on designated inits from C99
> 
>   typedef struct {
>     double pressure, moles, temp;
>   } ideal_struct;
> 
>   #define ideal_pressure(...) ideal_pressure_base((ideal_struct){.pressure=1,   \
>                                         .moles=1, .temp=273.15, __VA_ARGS__})
> 
>   double ideal_pressure_base(ideal_struct in)
>   {
>     return 8.314 * in.moles*in.temp/in.pressure;
>   }
> 
>   ... ideal_pressure(.moles=2, .temp=373.15) ...