YURIZANDER

[irene08]

HOLA, MUCHAS GRACIAS, POR SUS SERVICIOS











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>    1. rehashing unary-op "regression" in 2.2.11 (Mats Wichmann)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Mon, 30 Aug 2010 12:17:00 -0600
> From: Mats Wichmann <address@hidden>
> Subject: rehashing unary-op "regression" in 2.2.11
> To: address@hidden
> Message-ID: <address@hidden>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
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>
> Back in April I see there was a thread on new behavior which
> didn't do the expected thing with !!
>
> The argument at the time was:
>
> "Indeed your described behaviour is a defined part of C, however I'd say
> that such a usage falls under the category of 'cleverness' - where most
> programmers would need to reach for the manual to verify what the result
> would be and what the intention is. See for example what "Writing Solid
> Code" - Steve Maguire has to say on the subject (basically "avoid
> cleverness"). Since your expression is two applications of an operator
> (and not a multi-character operator) I would say that in this regard
> version 2.2.11 doesn't regress, but (unintentionally) fixes a
> long-standing defect. "
>
>
> However, there are other unary operators as well; in particular this
> also affects the indirection operator '*', without "cleverness".
>
> Now a sequence such as this example:
>
>      struct dirent * * dp;
>
> Is no longer collapsed to:
>
>      struct dirent **dp;
>
> While there is no breakage in this, I would argue that the latter form
> is at the very least part of the K&R "style", as it's the only way
> the construct appears there - and pretty much anywhere else,
> anecdotally.
>
> Yeah, it's been a while; I work on a system where some header files
> are generated using database data and some scripts, and then
> indent is used to put the result into a consistent style.
>
> Had a little surprise when the build host got upgraded to a distro
> using 2.2.11 and suddenly there were many lines of diff...
>
> -- mats
>
>
>
>
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> End of bug-indent Digest, Vol 75, Issue 1
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