Hi All,

I agree with John regarding giving names to constants, and find that
using macros for TRUE and FALSE when coding in C to be completely
logical since there is no true and false built into the language.  I
would rather like having a TRUE and FALSE globally defined for csound
in csoundCore.h with an #ifdef.

However, I also agree with Michael that macros can be very problematic
for most of the reasons he cited, but only when it is used as
shorthand for a body of code and not when used to name constants.  (It
is one of the reasons I recommend to Csound users to use User-Defined
opcodes instead of macro's).  If C macro's worked safely like Guile's
hygenic macro system (which I find incredibly elegant) it'd be great
to use, but since it is just text replacement it can cause the
problems mentioned by MIchael.

Regarding Richard's observation about 0 not always being false, I find
that in those cases 0 is often defined as SUCCESS and other values
defined ase some kind of FAILURE or something like that, rather than
FALSE/TRUE.

steven


On 5/1/07, jpff <jpff@codemist.co.uk> wrote:
> OK since we are playing these games, I have earned my living
> programming for 36 years, and have been full-time programming for 40.
> I disagree.  Indeed I was berating students last week for bare 1000
> and 92 in their compilers when they meant HASHSIZE or the like.  I
> have also taught COBOL where the use of names for constants is
> important.
>   Anyway, I like macros.
> ==John ffitch
>
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