[Mimedefang] MD unable to create spool directories
Clayton, Nik [IT]
nik.clayton at citigroup.com
Tue Feb 25 11:13:00 EST 2003
> On Tue, 25 Feb 2003, Clayton, Nik [IT] wrote:
> > The fdopen() function may fail and not set errno if there
> > are no free stdio streams.
>
> Ah; that makes sense now. Rats! That severely crimps MIMEDefang's
> style. You probably only see it on very busy mail servers because the
> descriptors don't typically stay open for very long.
Yeah, that's what I figured.
> I may have to re-work mimedefang.c to use open() and write() rather
> than fdopen() and fwrite(), because the limits on file descriptors
> are a lot more reasonable than the limits on number of streams.
Yes. It's also easier to adjust them on the fly.
I've taken a look through the code, and it doesn't look as though this
will be too tricky. There are only a handful of places where fprintf()
and similar is used to do output formatting, and that can always be
replaced by snprintf() and write().
> Thanks for digging this out! I'll certainly look at ways around it.
No problem.
Of course, this also means that the -M / mutex hack can probably be
removed. . .
N
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