Re: appendStringInfo vs appendStringInfoString

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От Andres Freund
Тема Re: appendStringInfo vs appendStringInfoString
Дата
Msg-id 20130928114422.GA2670970@alap2.anarazel.de
обсуждение исходный текст
Ответ на Re: appendStringInfo vs appendStringInfoString  (Heikki Linnakangas <hlinnakangas@vmware.com>)
Список pgsql-hackers
On 2013-09-28 14:11:29 +0300, Heikki Linnakangas wrote:
> On 28.09.2013 12:44, David Rowley wrote:
> >The macro for test 4 was as follows:
> >#define appendStringInfoStringConst(buf, s) appendBinaryStringInfo(buf,
> >(s), sizeof(s)-1)
> 
> If that makes any difference in practice, I wonder if we should just do:
> 
> #define appendStringInfoString(buf, s) appendBinaryStringInfo(buf, (s),
> strlen(s))

Doesn't that have a bit too much of an multiple evaluation danger? Maybe
make it a static inline in the header instead for the platforms that
support it?

Greetings,

Andres Freund

-- Andres Freund                       http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training &
Services



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