On Tue, 17 Aug 1999, Angus Mezick wrote:
> I have found that SGI Irix 6.2 and Redhat Linux both do not like the
> sprintf(buf,"%sblah",buf); syntax, but they are not consistant.
> (sometimes it works)
> >
> > >When you are adding to a buffer before sending it to the
> > >character, which is the more suitable method?
> > #1 or #3
> > >1)
> > >sprintf (buf + strlen(buf), "blah.....");
> > >or 2)
> > >sprintf(buf, "%sblah......", buf);
> > This won't work on Borland C as it clears the target buffer before copying.
> > 3)
> > int i = 0;
> > i += sprintf(buf + i, "blah...");
> > Because further sprintf() calls do not have to recalculate string length,
> > you get it for free.
From my experience with problems under borland as well as linux where
sprintf clears the target buffer before writing to it I tend to use a
second buffer. This may be a little less cpu and memory friendly, but in
these days of 600mhz cpus and machines with a gig of ram who really cares
:)
Sterling @ Wyld Knight
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