Dear Gerhard Sittig,
In message <20130603135004.gh2...@book.gsilab.sittig.org> you wrote:
>
> > > + if (mac_diag)
> > > + printf("DIAG: MAC [%s]\n", getenv("ethaddr"));
> >
> > What happens if "ethaddr" is not defined in the environment?
>
> The context is the mac_read_from_eeprom() routine, and the
> getenv() call for the message is immediately preceeded by a
> setenv() call.
...which, as everything, can fail for a number of reasons.
It is utterly wrong to rely on results of any previous actions and
assume that nothing can go wrong. Murphy will teach you.
> > > + "rootpath=/opt/eldk/ppc_6xx\0" \
> >
> > You are really still using ELDK 4.x ?
>
> In this specific project? Yes! Although development setups used
> to run with both 4.2 and 5.3 here for some time, the evaluation
> hasn't comleted yet, so the final switch wasn't made so far.
...which makes clear that setting such variables in the default config
is of questionable value.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de
By the way, ALL software projects are done by iterative prototyping.
Some companies call their prototypes "releases", that's all.
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