Summary: Is this swap() macro correct?

[Richard H. Gumpertz]

In article <790 at stealth.acf.nyu.edu> brnstnd at stealth.acf.nyu.edu (Dan Bernstein) writes:
>The second is a more general religious argument: Macros should feel like
>functions. As above, they should reference each argument exactly once;
>if an argument is modified, the macro should use a pointer to it instead;
>and so on.

If C only had inline functions, this would be all be so much simpler.  The
compiler would be able to handle the side-effects issues automatically.


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