On Fri, Dec 22, 2006 at 01:58:39AM +0100, Denis Vlasenko wrote:
>
> Or this, absolutely typical C code. i386 arch can compare
> 16 bits at a time here (luckily, no alighment worries on this arch):
>
> # cat tt.c
> int f(char *p)
> {
> if (p[0] == 1 && p[1] == 2) return 1;
> return 0;
> }
No, because you'd read past the end of the array:
#include <stdlib.h>
int main (int argc, char *argv[])
{
char *a;
if ((a == malloc (sizeof (char))))
{
int r;
a[0] = 1;
r = f (a);
free (a);
return (r);
}
return (0);
}
--
Rask Ingemann Lambertsen
