cvs commit: src/sys/dev/em if_em.c if_em.h
Stefan Farfeleder
stefanf at FreeBSD.org
Fri Aug 4 08:17:38 UTC 2006
On Fri, Aug 04, 2006 at 11:46:57AM +0400, Yar Tikhiy wrote:
> On Fri, Aug 04, 2006 at 09:23:23AM +0200, Stefan Farfeleder wrote:
> > On Fri, Aug 04, 2006 at 11:19:09AM +0400, Yar Tikhiy wrote:
> > >
> > > As a general remark, it is a very good idea to keep large style(9)
> > > sweeps separate from actual code changes even if they are tiny.
> > > Changing style(9) shouldn't alter the binary code produced, and
> > > this can be 100% verified using cmp(1), diff(1), cksum(1), or md5(1).
> > > Of course, changing line numbers will affect debug info, but the
> > > latter can be strip(1)'ed. In the case under discussion, I'd compare
> > > if_em.o with its former version to make sure no code changed.
> >
> > It will produce different code if __LINE__ is used.
>
> Yeah, it's a thing to watch out for. As are __TIME__ and __DATE__.
> Fortunately, they are not widely used in src/, AFAIK.
Not directly, but through all kinds of assertion macros.
Stefan
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