shell/ash.c

Cristian Ionescu-Idbohrn cristian.ionescu-idbohrn at axis.com
Sat Jul 11 13:14:26 UTC 2009


On Fri, 10 Jul 2009, Denys Vlasenko wrote:

> On Monday 06 July 2009 23:37, Cristian Ionescu-Idbohrn wrote:
> > Somewhere around line 1000.  I don't think we want shtree to output to
> > stdout, do we? That would break a few things, and it does.  We might want
> > it to go to stderr or tracefile, but defintely not stdout.
> >
> > ---8<---
> > static void
> > showtree(union node *n)
> > {
> > 	trace_puts("showtree called\n");
> > 	shtree(n, 1, NULL, stdout);
> > }
> >
> > #endif /* DEBUG */
> > --->8---
> >
> > And somewhere around line 11847:
> >
> > ---8<---
> > #if DEBUG
> > 		showtree(n);
> > #endif
> > --->8---
> >
> > We might want to do this instead:
> >
> > #if DEBUG > 2
> > 		if (debug && (n != NEOF))
> > 			showtree(n);
> > #endif
> >
> > Without checking on 'debug', we always get output from showtree.  I don't
> > think we want that.
> > Without '(n != NEOF)' we may get segfaults.
> > And 'DEBUG > 2' could be a good idea too.  What do you say?
> >
> > The other thing is that there are a few places where %x should read 0x%x,
> > maybe; at least for consistancy:
> >
> > ->	254:	bb_error_msg("bug on %d: closing %d(%x)", \
> > 	3821:	TRACE(("dowait(0x%x) called\n", wait_flags));
> > 	3828:	TRACE(("wait returns pid=%d, status=0x%x, errno=%d(%s)\n",
> > 	3846:					"from 0x%x to 0x%x\n",
> > ->	3990:	TRACE(("showjobs(%x) called\n", mode));
> > ->	4051:	TRACE(("getstatus: job %d, nproc %d, status %x, retval %x\n",
> > 	5632:	TRACE(("evalbackcmd done: fd=%d buf=0x%x nleft=%d jp=0x%x\n",
>
> Please send it as a patch.

Done.


Cheers,

-- 
Cristian
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