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Re: static struct and char arrays

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On 07/ 9/11 05:07 AM, A wrote:
> Hi,
>
> I want to use the advantage of having single allocation of a certain struct
> or array but keep it "local".
> For example - not to pollute my namespace I like to use a lot of "local"
> functions like this:
>
> void Function1()
> {
> struct TLocalFunction1
>      {
>      void operator()(int i)
>          {
>          char abc[] = {1,2,3,4,5};
>          }
>      } LocalFunction1
>
> // call "local" function
> LocalFunction(1);
> LocalFunction(2);
> // etc...
> }
>
> Now the problem is that I think this might be slowing down Function1 because
> TLocalFunction1 and char abc are constantly initializing from scratch.
>
> So, might I speed up if I prefix "struct TLocalFunction1" and "char abc"
> with the keyword "static" would that speed up the Function1 in terms of no
> more multiple allocations of TLocalFunction1 and char abc. Or is that
> compiler-dependent?

Probably. In this case there's nothing to initialise in the struct its 
self, but the char array may as well be declared static.

-- 
Ian Collins

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Thread

static struct and char arrays "A" <a@a.a> - 2011-07-08 19:07 +0200
  Re: static struct and char arrays Ian Collins <ian-news@hotmail.com> - 2011-07-09 08:05 +1200
  Re: static struct and char arrays Kai-Uwe Bux <jkherciueh@gmx.net> - 2011-07-09 00:53 +0200
    Re: static struct and char arrays "A" <a@a.a> - 2011-07-11 17:02 +0200

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