I actually tried every combination for putchar, without results. But now
that I have printf (from the other thread) working, I dismissed the idea of
a custom printf.
Thanks for the tips!
On Thu, Nov 17, 2011 at 10:46 AM, JMGross <msp...@grossibaer.de> wrote:
>
> ----- Ursprüngliche Nachricht -----
> Von: Sergio Campamá
> Gesendet am: 14 Nov 2011 22:51:21
>
> >void myprintf(char *fmt,...)
> >{
> > char *p = fmt;
> > va_list argp;
> > putchar(*p);
> > va_start(argp, fmt);
> > va_end(argp);
> >}
>
> >It should print the first character of the string fmt. When I remove the 3
> >dots in the function definition, it correctly prints it, but when running
> >it like shown, it does nothing. Is there something I'm missing here?
>
> I remember a bug in 3x mspgcc that happened when a function with
> variable parameter length
> (or actually any function with parameters on stack)
> did have local variables, and compiler optimization was on.
> then the compiler messed-up the stack frame, ending up with
> accessing the wrong stack locations for passed and local parameters.
> Not using local variables or disablign optimization resulted in correct
> code.
>
> Maybe your problem is related to the same.
> (btw, why don't you just use putchar(*fmt)?)
>
> JMGross
>
>
>
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--
--------------------------------------
Sergio Campamá
sergiocamp...@gmail.com
------------------------------------------------------------------------------
All the data continuously generated in your IT infrastructure
contains a definitive record of customers, application performance,
security threats, fraudulent activity, and more. Splunk takes this
data and makes sense of it. IT sense. And common sense.
http://p.sf.net/sfu/splunk-novd2d
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