From owner-cvs-all  Mon Jul 15  2:53:48 2002
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Date: Mon, 15 Jul 2002 19:56:54 +1000 (EST)
From: Bruce Evans <bde@zeta.org.au>
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To: Dag-Erling Smorgrav <des@ofug.org>
Cc: Alfred Perlstein <alfred@FreeBSD.org>,
	<cvs-committers@FreeBSD.org>, <cvs-all@FreeBSD.org>
Subject: Re: cvs commit: src/usr.bin/tail Makefile tail.c
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On 15 Jul 2002, Dag-Erling Smorgrav wrote:

> Alfred Perlstein <alfred@FreeBSD.org> writes:
> >   Log:
> >   WARNS=4, add
>
> ===> usr.bin/tail
> cc -O -pipe -mcpu=ev56   -Werror -Wall -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align -Wno-uninitialized  -c /usr/src/usr.bin/tail/forward.c
> cc -O -pipe -mcpu=ev56   -Werror -Wall -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align -Wno-uninitialized  -c /usr/src/usr.bin/tail/misc.c
> cc1: warnings being treated as errors
> /usr/src/usr.bin/tail/misc.c: In function `mapprint':
> /usr/src/usr.bin/tail/misc.c:84: warning: comparison between signed and unsigned
> /usr/src/usr.bin/tail/misc.c: In function `maparound':
> /usr/src/usr.bin/tail/misc.c:114: warning: comparison between signed and unsigned
> *** Error code 1
>
> Stop in /usr/src/usr.bin/tail.

The commit log "clearly" promises to add warnings :-).

There are only warnings on (most) arches where sizeof(size_t) >= sizeof(off_t)
([no] thanks to ISO C's sign-clobbering promotion rules).

Bruce


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