From: "News Reader" <nospam AT aol DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: integer overflow
Date: Tue, 29 Jul 2003 12:49:15 +0200
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com


_doprnt() gives me the picture, thanks.



"Gisle Vanem" <giva AT bgnett DOT no> wrote in message
news:02cf01c35571$851e5990$0600000a AT broadpark DOT no...
> "News Reader" <nospam AT aol DOT com> said:
>
> > Being human and therefore being prone to making mistakes
> > from time to time, I will not allow any of my programs to run
> > if the compiler output produces a single warning as a matter
> > of principle. "-Wall" has saved me (and my programs) several
> > times and this is the main reason why I still keep using C once
> > in a while.
>
> Then you should add '-W' since '-Wall' doesn't warn about
> all possibly erroneous code; like mixing signed and unsigned
> types.
>
> > Compilation of your code produces the following output:
> >
> >    x.c: In function `main':
> >    x.c:7: warning: unknown conversion type character `U' in format
> >    x.c:7: warning: too many arguments for format
>
> My guess is that gcc isn't updated on what djgpp's _doprnt
> can accept as format-specifiers. It's the same with most gcc
> ports; MingW's gcc warns about "%ws" being unknown, but it
> works fine since MSVCRT.DLL handles he printing.
>
> --gv
>
>