From:	fredex AT fcshome DOT stoneham DOT ma DOT us
Message-Id:	<199606151114.HAA09131@fcshome.stoneham.ma.us>
Subject:	Re: Is post-increment a pre-increment?
To:	grendel AT ananke DOT amu DOT edu DOT pl (Mark Habersack)
Date:	Sat, 15 Jun 1996 07:14:57 -0400 (EDT)
Cc:	djgpp AT delorie DOT com
In-Reply-To:	<Pine.NEB.3.93.960612212436.3438B-100000@ananke.amu.edu.pl> from "Mark Habersack" at Jun 12, 96 09:39:52 pm

Thinking furiously, Mark Habersack wrote:
>     default:
>       len += CharWidth(*walker++, curFont); // Here, the walker variable has
>                                               // been everytime incremented
>                                               // TWICE, not ONCE as it was
>                                               // meant to be - what is wrong?
>    }
> 
>  Later on I changed the offending line to
>    len += CharWidth(*walker, curFont);
>    walker++;
>  and everything worked just fine. Where lies the error - is it my ignorance or
> a bug or side effect?

Is CharWidth a macro? I so, it's probably referring to it's first parameter
two (or more) times, thereby causing the postincrement to happen multiple
times.

Fred
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