On Mon, Mar 19, 2007 at 07:12:24PM -0300, Gustavo Rios wrote:
quoted text
> I am writing a very simple program but the output change for the c
> variable value change every time i run it. What would it be my mistake
> on the source? Did i forget some thing?
> 
> #include <stdio.h>
> 
> int
> main(int argc, char **argv)
> {
>        unsigned long long      x, c;
>        unsigned                *p;
> 
>        x = 1, x+= (unsigned long long)1 << 33 ;
>        p = (void *)&x;
>        c = p[0] * p[1];
> 
>        fprintf(stdout, "x:%llu\n", x);
>        fprintf(stdout, "0,1:%u,%u\n", p[0], p[1]);
>        fprintf(stdout, "c:%llu\n", c);
> 
>        return 0;
> }

I run this many times, with other stuff in between, and I always get:

$ ./gustavo 
x:8589934593
0,1:1,2
c:2

Same values for everything, every time. Hmm.

-- 
Darrin Chandler                   |  Phoenix BSD Users Group
dwchandler@stilyagin.com          |  http://bsd.phoenix.az.us/
http://www.stilyagin.com/darrin/  |