On Thu, Mar 19, 2020 at 7:59 PM Xiang Xiao <xiaoxiang781...@gmail.com> wrote:
>
> On Thu, Mar 19, 2020 at 6:39 PM Takashi Yamamoto
> <yamam...@midokura.com.invalid> wrote:
> >
> > do you feel the returning-structure version less uglier?
>
> Yes, returning-structure is a bad design in most case, but we can't
> change mallinfo prototype since it is defined by other OS:
> http://man7.org/linux/man-pages/man3/mallinfo.3.html

i wasn't aware of that implementation. thank you.
i'm skeptical about the usefulness of the compatibility with it though.
it's non-standard anyway.

>
> > my feeling is the opposite.
> > after all, it's a matter of taste i guess.
> >
>
> I mean the code contained #ifdef/#endif is more uglier than other.
> there are many place conditioned by CAN_PASS_STRUCTS, mallinfo is just
> one of case. It's better to fix all places instead.
>
> > On Thu, Mar 19, 2020 at 7:22 PM Xiang Xiao <xiaoxiang781...@gmail.com> 
> > wrote:
> > >
> > > But, should we support the aged compiler to make the code ugly? I
> > > prefer to remove CAN_PASS_STRUCTS option and clean up the whole code
> > > base.
> > >
> > > On Thu, Mar 19, 2020 at 2:41 PM Takashi Yamamoto
> > > <yamam...@midokura.com.invalid> wrote:
> > > >
> > > > hi,
> > > >
> > > > depending on CONFIG_CAN_PASS_STRUCTS,
> > > > mallinfo has a different prototype.
> > > >
> > > > #ifdef CONFIG_CAN_PASS_STRUCTS
> > > > struct mallinfo mallinfo(void);
> > > > #else
> > > > int      mallinfo(FAR struct mallinfo *info);
> > > > #endif
> > > >
> > > > and we have a lot of #ifdef CONFIG_CAN_PASS_STRUCTS
> > > > for this even in APPDIR.
> > > > i'd like to suggest to simplify this by always using
> > > > "int mallinfo(FAR struct mallinfo *info);" version.
> > > >
> > > > or, even "void mallinfo(FAR struct mallinfo *info);" because it
> > > > doesn't return any errors.
> > > >
> > > > how do you think?

Reply via email to