[sword-cvs] sword/src/utilfuns swbuf.cpp,1.18,1.19

[Joachim Ansorg]

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Hi,
I think a check for a null-pointer doesn't cost a lot of time, so IMHO it's 
ok.

Anyway, SWBuf is slow if it gets passed around in lists etc. which means it 
gets copied a lot. I think we need a copy-on-write mechanism in SWBuf :)

Joachim

> 	Modus operandi for the standard libs is usually to force this check out
> of the library, cf. strlen, strcat, et. al.  It's a speed hit at these
> lower levels that might have to be fast.  I like the check, but it might
> need to be removed when optimizing, and we can safely refer to the other
> standard c-string calls and point out their operation when passed a 0
> (not a "\0", by the way-- our code and theirs works fine when passed a
> "\0")

Joachim
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<>< Re: deemed!
Joachim Ansorg
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