struct Unpacked { int i; };
int ConstRef (int const &p, int const *ptr, int v)
{
if (p != v)
return 1;
if (&p == ptr)
return 2;
return 0;
}
int ConstRef (Unpacked const &p, Unpacked const *ptr, int v)
{
if (p.i != v)
return 1;
if (&p == ptr)
return 2;
return 0;
}
int Val (int p, int v)
{
if (p != v)
return 1;
return 0;
}
int Val (Unpacked p, int v)
{
if (p.i != v)
return 1;
return 0;
}
struct __attribute__ ((packed)) Packed
{
char c;
int i;
Unpacked u;
char t;
};
int Foo (Packed &p, int i, int ui)
{
int r;
if ((r = Val (p.i, i)))
return r;
if ((r = Val (p.u.i, ui)))
return r + 2;
if ((r = Val (p.u, ui)))
return r + 4;
if ((r = ConstRef (p.i, &p.i, i)))
return r + 6;
return 0;
}
int main ()
{
Packed p;
p.c = 0x12;
p.i = 0x3456789a;
p.u.i = 0xbcdef00f;
p.t = 0xed;
return Foo (p, 0x3456789a, 0xbcdef00f);
}