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To: "Jin Guojun[ITG]" <jin@george.lbl.gov>
cc: freebsd-bugs@freebsd.org, joerg@freebsd.org
Subject: Re: gnu/3554 
In-reply-to: Your message of "Fri, 09 May 97 09:11:41 PDT."
             <199705091611.JAA28108@george.lbl.gov> 
Date: Fri, 9 May 1997 13:35:21 PDT
From: Bill Fenner <fenner@parc.xerox.com>
Message-Id: <97May9.133531pdt.177486@crevenia.parc.xerox.com>
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"Jin Guojun[ITG]" <jin@george.lbl.gov> wrote:
>The cc could be a little smart to do this:
>
>	if "default:" is found in a switch block, then no further check.
>	otherwise, if no "default:" is in a switch block, but some similar
>	label is found, which may be a type, gives a warning:

You could just use "-Wall" (or figure out which -W switch it is
that enables the unused lable warning).

foo.c:6: warning: label `defualt' defined but not used


  Bill