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Author pitrou
Recipients amaury.forgeotdarc, eric.smith, mark.dickinson, pitrou, rhettinger, stutzbach
Date 2010-10-07.19:30:53
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Message-id <1286479851.3143.1.camel@localhost.localdomain>
In-reply-to <1286468840.71.0.333993292413.issue10044@psf.upfronthosting.co.za>
Content
> Technically arbitrary relational comparisons of pointers are
> undefined, but in practice Antoine's assumptions here are very modest.
> They boil down to:
> 
>    v >= &array[0] && v < &array[array_len]

I can't say anything about the standard, but p > q looks like it should
be the same as (p - q) > 0, which looks rather well-defined for
pointers.

(at worse we could cast to _Py_uintptr_t, hopefully the compiler
wouldn't produce any different code)
History
Date User Action Args
2010-10-07 19:30:55pitrousetrecipients: + pitrou, rhettinger, amaury.forgeotdarc, mark.dickinson, eric.smith, stutzbach
2010-10-07 19:30:54pitroulinkissue10044 messages
2010-10-07 19:30:53pitroucreate