On Tue, 23 Oct 2012 12:51:29 -0700
Joe Perches <j...@perches.com> wrote:
> > btw, what's up with printk_syslog.h? It includes two header files which it
> > doesn't need but fails to include the two it *does* need: printk_log.h
> > and types.h.
> >
> >
>
> printk_syslog.c includes kernel.h (it includes types.h)
> and printk_log.h.
>
> I think printk_syslog.h doesn't need printk_log.h
A general rule is that the header file shouldn't know or care what else
it's includer has included. Ideally it shouldn't know or care what
else its includees have included, either.
A fun test would be
for i in *.h
echo $i > foo.c
make foo.o
done
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