From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <1d774b35c732e620fee8fc4254c169e7@felloff.net>
Date: Thu,  7 Jan 2016 02:08:00 +0100
From: cinap_lenrek@felloff.net
To: 9fans@9fans.net
In-Reply-To: <be7075c46289213c485e672a0ce70c07@lilly.quanstro.net>
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"
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Subject: Re: [9fans] subtracting pointers on amd64 6c
Topicbox-Message-UUID: 7eb9d5ec-ead9-11e9-9d60-3106f5b1d025

what if we introduce signed intptr type and use that instead
of introducing ptrdiff? ape already has a signed intptr_t
type.

then use 'z' as a modifier to mean "intptr size" so that
%zd would print signed intptr and %zud is for uintptr?

the %t and %T space seems rather crowded...

term% grep 'fmtinstall\(''[zZtT]' */*.c */*/*.c */*/*/*.c */*/*/*/*.c
cmd/timepic.c:	fmtinstall('T', Tfmt);
cmd/trace.c:	fmtinstall('t', timeconv);
libhtml/lex.c:	fmtinstall('T', Tconv);
libmach/kdb.c:		fmtinstall('T', Tfmt);
libmach/udb.c:		fmtinstall('T', Tfmt);
libventi/log.c:		fmtinstall('T', timefmt);
9/mtx/pci.c:	fmtinstall('T', tbdffmt);
9/pc/pci.c:	fmtinstall('T', tbdffmt);
9/port/edf.c:		fmtinstall('t', timeconv);
9/teg2/pci.c:	fmtinstall('T', tbdffmt);
cmd/cc/lex.c:	fmtinstall('T', Tconv);
cmd/cwfs/sub.c:	fmtinstall('Z', Zfmt);	/* print devices */
cmd/cwfs/sub.c:	fmtinstall('T', Tfmt);	/* print times */
cmd/db/output.c:	fmtinstall('t', tconv);
cmd/disk/rd9660.c:	fmtinstall('T', asciiTfmt);
cmd/disk/rd9660.c:	fmtinstall('T', runeTfmt);
cmd/hjfs/buf.c:	fmtinstall('T', Tfmt);
cmd/vac/unvac.c:	fmtinstall('t', mtimefmt);
cmd/upas/fs/imap4.c:	fmtinstall('Z', doublequote);
cmd/upas/marshal/marshal.c:	fmtinstall('Z', doublequote);
cmd/venti/srv/fixarenas.c:	fmtinstall('z', zfmt);
cmd/venti/srv/fixarenas.c:	fmtinstall('t', tfmt);
cmd/venti/srv/utils.c:	fmtinstall('T', vttimefmt);

--
cinap