libstand functions not ansi-c compiliant

Michael Reifenberger mike at
Thu Jun 9 10:12:43 GMT 2005

On Wed, 8 Jun 2005, Stefan Farfeleder wrote:

> Date: Wed, 8 Jun 2005 18:41:38 +0200
> From: Stefan Farfeleder <stefan at>
> To: Michael Reifenberger <mike at>
> Cc: standards at
> Subject: Re: libstand functions not ansi-c compiliant
>>> I'd consider including <stdio.h> from sys/boot/ficl a bug.
>> Maybe. Thats debatable.
>> But by default ficl.h (coming with ficl4)does inslude <stdio.h>
>> and ficl4 says about itself: ...Ficl is written in strict ANSI C...
>> Unfortunately <stdio.h> is part of ANSI-C...
>> So one cant blame ficl4 for that.
> No, but a boot loader is not a hosted implementation.  Ficl needs to be
> patched to use our I/O functions.

Ok. Back to the original question:
Is there a technical reason that the declaration and implementation of
putchar, vprintf and vsprintf in stand.h should NOT conform to ANSI-C respective
is there a technical reason these functions MUST return void?

Michael Reifenberger, Business Development Manager SAP-Basis, Plaut Consulting
Comp: Michael.Reifenberger at | Priv: Michael at           |

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