Date: Tue, 18 Jul 2000 20:15:08 +0100 From: Ben Smithurst <ben@FreeBSD.org> To: Alexander Langer <alex@big.endian.de> Cc: Dag-Erling Smorgrav <des@flood.ping.uio.no>, Greg Lehey <grog@lemis.com>, Jamie Bowden <ragnar@sysabend.org>, chat@FreeBSD.ORG Subject: Re: vinum Message-ID: <20000718201508.F4668@strontium.scientia.demon.co.uk> In-Reply-To: <20000718195708.B94391@cichlids.cichlids.com> References: <Pine.BSF.4.10.10007140654420.26349-100000@moo.sysabend.org> <20000716115559.G57098@wantadilla.lemis.com> <xzpr98uajhn.fsf@flood.ping.uio.no> <20000718195708.B94391@cichlids.cichlids.com>
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Alexander Langer wrote:
> Thus spake Dag-Erling Smorgrav (des@flood.ping.uio.no):
>=20
>> Greg Lehey <grog@lemis.com> writes:
>>> #define VINUM_MAGIC 22322600044678729LL /* should be this */
>> "IN VINO"
>>> #define VINUM_NOMAGIC 22322600044678990LL /* becomes this after o=
bliteration */
>> "NO VINO"
>=20
> I'm missing something here :-)
>=20
> How do you get that here?
See which character each of the eight bytes in those numbers corresponds
too. Assuming that's what you were asking...
ben@magnesium:~/tmp$ cat t.c
#include <unistd.h>
int
main(void) {
long long a =3D 22322600044678729LL, b =3D 22322600044678990LL;
write(1, &a, sizeof a);
write(1, &b, sizeof b);
return (0);
}
ben@magnesium:~/tmp$ cc -Wall t.c
ben@magnesium:~/tmp$ ./a.out | hd
00000000 49 4e 20 56 49 4e 4f 00 4e 4f 20 56 49 4e 4f 00 |IN VINO.NO VIN=
O.|
00000010
ok, who's going to give me the Perl one-liner to do that? It would
probably involve pack/unpack which I've never got on well with.
--=20
Ben Smithurst / ben@FreeBSD.org / PGP: 0x99392F7D
FreeBSD Documentation Project /
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