Re: [PATCH 2/3] fast-import: tree allocation cleanups

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On Sat, Mar 10, 2007 at 10:21:47PM -0500, Shawn O. Pearce wrote:

> > +
> > +		t->entries[t->entry_count++] = e;
> This I wouldn't have bothered to do in this patch.  It is just
> unecessary code churning, as you turn around and change this again
> in the next patch.  I actually dropped these two hunks from this
> patch (but left the dang commit message comment in, whoops) and
> moved the first hunk to the next patch.

OK. There are actually two changes: moving the insertion until after
e->name is set up (which has no functionality impact) and changing the
manner of insertion. I split them up to try to make them more readable,
but clearly you figured out what I was going for.

> > +	name = to_atom(p, n);
> [...]
> > -	e->name = to_atom(p, (unsigned short)n);
> 
> You missed an unsigned short cast here.

Actually, I removed it intentionally (though clearly I should have
documented it). It's casting from an unsigned int to an unsigned short.
Such a cast is at best pointless (since the compiler performs the exact
same cast implicitly -- see C99 6.5.2.2, paragraph 7), and at worst
masks an error (e.g., if the type of n is changed).

Is there some subtle issue I'm missing here?

-Peff
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