Re: /STRING

In my case I was parsing text from an http post and my code "assumed" that
an &# was always followed by another character.

Just seemed to me that /string ought not go negative.

 On 15 Mar 2007 at 7:53, Leon Wagner wrote:

> I can see how this would be confusing as "u2" is supposed to be an unsigned
> integer.
>
> > -----Original Message-----
> > From: sftalk-bounce_at_forth.com
> > [mailto:sftalk-bounce_at_forth.com] On Behalf Of Rick VanNorman
> > Sent: Thursday, March 15, 2007 7:50 AM
> > To: sftalk_at_forth.com
> > Subject: [sftalk] Re: /STRING
> >
> > The behavior is as defined by DPANS:
> >
> > Adjust the character string at c-addr1 by n characters. The resulting
> > character string, specified by c-addr2 u2, begins at c-addr1 plus n
> > characters and is u1 minus n characters long.
> >
> > I actually use it when parsing strings, using the /STRING function
> > until it returns a negative value.
> >
> > rick
> >
> > On 3/15/07, Gene LeFave <gene_at_tekdata.com> wrote:
> > > I just got stung by a bug caused by calling /STRING with a
> > value greater
> > > then the string length. Seems to me that /STRING ought to
> > check for that
> > > and not return a string length <0.
> > >
> > > On the other hand I can see how someone might expect that
> > behavior and
> > > use /STRING for something other then strings.
> > >
> > > Just wondering what other folks thought.
> > >
> > > Gene
> > >
> > >
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Received on Thu Mar 15 2007 - 11:59:38 PDT