Re: tlug: gcc question

[Selva Nair <selva@example.com>]

On Thu, 13 Jan 2000, Fredric Fredricson wrote:

>    You are right that gcc/egcs, or any c compiler for that matter, does not
>    initialize the pointers but Linux will clear all new pages so in this 
>    particular case both pointers will be "initialized" to 0. 
>    It is of course a bug to rely on this but I have seem dozens of 
>    programs that does (probably/hopefully unintentional).
>    
>    From a developers point of view it is a good thing that Linux
>    does not allow access to memory address 0. This way uninitialized

Really? I have never seen that happening though. In my
experience, uninitialized pointers on egcs/Linux do point to arbitrary
locations..

Try this:

int main()
{
  char *c1, *c2, *c3;

  printf("%d %d %d\n", c1, c2, c3); 
  
  return 0;
}  


Selva

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