negative addresses

[T. William Wells]

In article <4086 at gryphon.CTS.COM>, sarima at gryphon.CTS.COM (Stan Friesen) writes:
)             There *are* cases of code that does make such assumptions.
) They all have the following general form:
)
) func1(p)
) char *p;
) {
)       /* stuff */
) }
)
) ...
)
) func2()
) {
)       ...
)       func1(0);
) }
)
)       In this example the code assumes both the representation *and* the
) size of NULL-pointer. This code is *not* portable even among existing
) compilers. Nor is it even conforming, let alone strictly so. Any code of
) this form only works accidentally and needs to be fixed anyway.
) --
) Sarima Cardolandion                   sarima at gryphon.CTS.COM
) aka Stanley Friesen                   rutgers!marque!gryphon!sarima

Actually, if you are using Standard C, declare func1 with a prototype
and the problem goes away. Prototypes were invented to (among other
things) solve this kind of problem.

Perhaps this is what you intended to say?