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From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@9fans.net
Subject: Re: [9fans] a strange bug in grep
Date: Sun, 30 Mar 2014 12:26:16 -0400	[thread overview]
Message-ID: <47ce4a1e83ccab956e28cc2b42fe2ba6@brasstown.quanstro.net> (raw)
In-Reply-To: <476cf0fa086df162666e769d2a91802d@felloff.net>

> 0xxxxxxx
> 110xxxxx 10mmmmmm
> 1110xxxx 10mmmmmm 10mmmmmm
> 11110xxx 10mmmmmm 10mmmmmm 10mmmmmm
>
> m = tab2[i]
> x = ~m
[...]
>
> Rune	tab2[] =
> {
> 	0x003f,
> 	0x0fff,
> 	0x3ffff,
> };
>
> makes snese?

doesn't a 3-bit mask -> 7 not 3?
i read tab2[] as the number of possibilties for byte 1,
assuming not ascii.

if i've got that wrong, explain it again.  :-)

- erik



  reply	other threads:[~2014-03-30 16:26 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-29 23:31 arisawa
2014-03-29 23:54 ` erik quanstrom
2014-03-30  0:51   ` arisawa
2014-03-30  1:44   ` cinap_lenrek
2014-03-30  6:10     ` erik quanstrom
2014-03-30 15:40       ` cinap_lenrek
2014-03-30 16:26         ` erik quanstrom [this message]
2014-03-30 18:05           ` cinap_lenrek
2014-03-30 18:10             ` erik quanstrom
2014-03-30  6:24     ` erik quanstrom

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