|
|
pete wrote:
> Ioannis Vranos wrote:
>
... snip ...
>
>> K&R2 mentions the following:
>>
>> "printf("%d %d\n", ++n, power(2,n)); /* WRONG */
>>
>> can produce different results with different compilers, depending
>> on whether n is incremented before power is called".
>>
>> That's why I call it implementation-defined behaviour.
>
> It's unspecified behavior. The power(2,n) function call,
> introduces a sequence point that the other code examples don't
> have. This is all about sequence points.
Not quite. Also order of parameter evaluation. The power function
can be called before the ++n is executed, or the reverse. As K&R
pointed out.
--
[mail]: Chuck F (cbfalconer at maineline dot net)
[page]: <http://cbfalconer.home.att.net>
Try the download section.
--
Posted via a free Usenet account from www.teranews.com">http://www.teranews.com
|
|