> This is valid "C":
>=20
> void foo(void)
> {
>   printf("Hello world!\n");
> }
>=20
> void bar(void)
> {
>    foo;
> }
>=20
> If a function name is used without an argument list, "C" treats it as the
> 'address' of the function. For example, this is valid:
>=20
> typedef void (*baz)(void);
>=20
> baz function_ptr =3D foo;
>=20
> Where we declare a type (baz) to be a pointer to a function that takes no
> arguments and returns nothing. We then assign the address of foo to a
> pointer of that newly declared type.
>=20
> So, given that this is valid, the only warning that would make sense woul=
d
> be something like:
>=20
>=20
> Function 'bar', line ??: Expression has no side effects and its value is =
not
> used
>=20
> I would look for a warning about 'unused' something or other.
>=20
> -- Bob Ammerman
> RAm Systems
>=20

Message 759 in XC8 - expression generates no code.


/Ruben

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Ruben J=F6nsson
AB Liros Electronic
Box 9124
200 39 Malm=F6 Sweden
www.liros.se
Tel +46 40142078
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.