Date: Fri, 9 May 1997 19:02:49 +0200 From: j@uriah.heep.sax.de (J Wunsch) To: jin@george.lbl.gov (Jin Guojun[ITG]) Cc: freebsd-bugs@FreeBSD.ORG Subject: Re: gnu/3554 Message-ID: <19970509190249.LK60340@uriah.heep.sax.de> In-Reply-To: <199705091611.JAA28108@george.lbl.gov>; from Jin Guojun[ITG] on May 9, 1997 09:11:41 -0700 References: <199705091611.JAA28108@george.lbl.gov>
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As Jin Guojun[ITG] wrote:
> Theoretically, it is correct; but it is awkward. This kind program bug is
> very hard to find out without checking every word of the code. cc does NOT
> provide any information/warrning on it, ...
It does. You need to enable warnings if you want them:
j@uriah 90% cat > foo.c
int
main(void)
{
int i;
switch (i) {
case 0:
return 0;
case 1:
return 23;
deafult:
return -1;
}
return 0;
}
^D
j@uriah 91% cc -c -Wall foo.c
foo.c: In function `main':
foo.c:13: warning: label `deafult' defined but not used
> The cc could be a little smart to do this:
Well, but you gotta discuss design decisions of gcc with the gcc
folks. We can't/won't do anything but using their contributed code.
--
cheers, J"org
joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)
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