From: Martin Str|mberg <ams AT ludd DOT luth DOT se>
Message-Id: <200106090916.LAA26228@mother.ludd.luth.se>
Subject: Re: Compiler options for djdev build
To: djgpp-workers AT delorie DOT com
Date: Sat, 9 Jun 2001 11:16:06 +0200 (MEST)
In-Reply-To: <7263-Sat09Jun2001094842+0300-eliz@is.elta.co.il> from "Eli Zaretskii" at Jun 09, 2001 09:48:42 AM
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According to Eli Zaretskii:
> > Some warnings I don't understand and can't get to go away (I only
> > tried to remove the todigit ones and gave up):
> > 
> > make -C ansi/stdio 
> > gcc ... -c doprnt.c
> > cc1.exe: warnings being treated as errors
> > doprnt.c: In function `_doprnt':
> > doprnt.c:167: warning: passing arg 1 of `todigit' with different width due to prototype
> 
> Change `todigit' (near the beginning of doprnt.c) to accept an int
> instead of a char, and the warning will go away.

Yes, but *fmt is a char and todigit expects a char. The warning
doesn't make sense to me. And you seem to say *fmt is an int?

...

> Basically, this warning alerts you to any function whose prototype
> modifies the default promotion of arguments.  This flags functions
> whose prototypes include char, short, and float arguments.  IMHO,
> these practices are unsafe and should be avoided.

They are? Isn't that what prototypes are for?


Right,

						MartinS