Re: [PATCH] Smackv10: Smack rules grammar + their stateful parser

[Linus Torvalds]

On Tue, 6 Nov 2007, Kyle Moffett wrote:
> 
> Personally I think that isspace() accepting character 0xA0 is a bug

I think I agree with you. As far as the kernel is concerned, "isspace()" 
should just accept the obvious spaces (hardspace, tab, newline), and 
*perhaps* the VT/FF kind of things.

You should realize that the kernel <ctype.h> thing is *ancient*. It's 
basically there from v0.01, and while the really original one (I just 
checked) had all the non-ascii characters not trigger anything, it was 
converted to be latin1 in the 2.1.x timeframe.

That's a *loong* time ago. Way before UTF-8 and other things were really 
common.

So we should probably just make all the upper 128 bytes go back to "don't 
trigger anything in ctype.h" - they'd not be spaces, but they'd not be 
control characters or anything else either.

			Linus
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