Re: snprintf heads-up

From: Date: Fri, 08 Sep 2000 15:00:12 +0000
Subject: Re: snprintf heads-up
References: 1  Groups: php.dev 
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On Fri, 8 Sep 2000, Jon Ribbens wrote: > Zeev Suraski <zeev@zend.com> wrote: > > > This may indeed be the most common case, but from the point of view of > > > the people writing C libraries, they need to cater for as many people > > > as possible. One behaviour satisfies only some people, the other satisfies > > > everyone. > > > > This seems to be contradicting itself. > > Why? > > Case (a): snprintf returns bytes written > * People extending buffer are screwed, they must write their own snprintf > or do something horrible like repeatedly extend the buffer until snprintf > succeeds. > * People not extending buffer are happy. > Case (b): snprintf returns bytes that *would* be written > * People extending buffer are happy. > * People not extending buffer are slightly less happy, but they can still > achieve what they want quite easily. That depends on the level of happiness of case (b) (2) :) Zeev -- Zeev Suraski <zeev@zend.com> http://www.zend.com/

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