On Mon, Jun 06, 2005 at 03:12:48PM +0200, Andreas Schwab wrote:
> Jirka Hanika <[EMAIL PROTECTED]> writes:
>
> > For example I'll try to upgrade the "unused variable" warning avoidance
> > code to something like
> >
> > if (((int)argv) * ((int)argv) < 0 || argc < 0) printf("");
>
> conftest.c: In function ‘main’:
> conftest.c:5: warning: cast from pointer to integer of different size
> conftest.c:5: warning: cast from pointer to integer of different size
> conftest.c:5: warning: zero-length printf format string
>
> conftest.cc: In function ‘int main(int, char**)’:
> conftest.cc:5: error: cast from ‘char**’ to ‘int’ loses precision
> conftest.cc:5: error: cast from ‘char**’ to ‘int’ loses precision
> conftest.cc:5: warning: zero-length printf format string
Thanks. I think I'm finally getting to see the point.
(Now I remember this cast warning already bit me in other code a long
time ago. I then switched to assigning an unused expression to an extern
variable, which worked for me. Doesn't change the point. Absolute
compiler output is a silly thing to check.)
Jirka
