stat(), lstat() again.
William Roberts
liam at cs.qmw.ac.uk
Fri Sep 21 05:48:04 AEST 1990
In <3434 at dftsrv.gsfc.nasa.gov> jim at jagmac2.gsfc.nasa.gov (Jim Jagielski) writes:
>In article <4062 at ursa-major.SPDCC.COM> dyer at ursa-major.spdcc.com.spdcc.COM (Steve Dyer) writes:
>>
> Some compilers WON'T let
> you pass structures to functions as is canon K&R.
True, but not particularly relevant. Such a compiler should
be associated with a version of lint that also insists on this, and
none of your examples did this anyway.
> Some compilers WILL,
> when you tell the pointer to point to NULL, have the pointer point to
> space which is big enuff for whatever the pointer is a pointer to. This is
> a fact.
Hang on a minute - name one such compiler! You were the one who started
talking about "canon K&R" and XJwhatever committee numbers.
> What the problem was was that I was looking at the code without
> THINKING about the code... I guess someone as perfect as you has never done
> THAT before. As far as you thinking I don't understand C, well, I beg to
> differ. Everyone has off days with C and can't recall what they wrote or
> what they mean, except of course yourself. I've written a bunch of C code,
> dude and it hasn't been all 100% perfect, but no one's is, except yours,
> of course.
Your making the EtherPort II stuff available is appreciated (I may soon
have something to add to your distribution - we have 50 of the old
EtherPort II cards so I am putting work into making they coexist with
A/UX 2.0 as well as possible).
Your flame about the mild criticisms your pointer-confusion has earned
is wildly out of proportion. You cannot both quote ANSI documents AND
say that "some compilers do ***horrid thing omitted***".
Do you now accept that
1) the stat and lstat functions require a pointer to a statbuf structure
2) the stat and lstat functions don't do memory allocation for that structure
3) NULL is not a good choice of random address for a structure
4) You should be using &statbuf regardless of the fact that some
compiler/machine/architecture combinations let you get away with
what you were doing before.
Making mistakes is forgiveable - insisting that they aren't mistakes is not.
--
William Roberts ARPA: liam at cs.qmw.ac.uk
Queen Mary & Westfield College UUCP: liam at qmw-cs.UUCP
Mile End Road AppleLink: UK0087
LONDON, E1 4NS, UK Tel: 071-975 5250 (Fax: 081-980 6533)
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