On Thu, 6 Feb 2003, Geoff Thorpe wrote:
> void foo(unsigned short b)
> {
> foo(b + 1);
> }
>
> compiled with "gcc -Wconversion" gives the dreaded "warning: passing arg
> 1 of `foo' with different width due to prototype".
But in this particular case, the warning is correct. b gets promoted to
int in the expression, and b+1 has type int, and (if b == USHRT_MAX) the
implicit conversion can change the value.
--
Joseph S. Myers
jsm28@cam.ac.uk