C preprocessor function macros with empty aguments

[Sabyasachi Basu]

You might be best off rewriting your macros, and thus the macro

calls, for portability. Remember that macros perform text
replacement, and that the components must be suitable language
components. You could put tests in the actual macros to
eliminate specific arguments, using #if statements. Then the
calls might be something like:

B(NULL, "Hello world");

How do I use #if directives to put tests in the actual macros? Arent
preprocessor directives disallowed within macro definitions?

 

[Carl Daniel [VC++ MVP]]

Not surprised.

According to VC team members I've talkd to, there's close to zero customer
interest in C99 conformance. The commonly mentioned exceptions being
variadic macro arguments and the standardized fixed-sized integer types.

-cd

 

[Randy Howard]

According to VC team members I've talkd to, there's close to zero customer
interest in C99 conformance. The commonly mentioned exceptions being
variadic macro arguments and the standardized fixed-sized integer types.

Interesting. I've been an MSDN subscriber for as long as the program has
been in place and I've never been asked once what I'd like to see in the
next release of any product. How do they know? Do you have to email some
spamtrap address at Microsoft to get this type of thing requested?

 

[Ron Natalie]

Interesting. I've been an MSDN subscriber for as long as the program has
been in place and I've never been asked once what I'd like to see in the
next release of any product. How do they know? Do you have to email some
spamtrap address at Microsoft to get this type of thing requested?

I've never got asked either. But I've long contended both in the microsoft.*
forums and to any Microsoft employee who asked that standards compliance
is fairly high up there on my list of concerns.

 

[Alexander Grigoriev]

I wonder what valuable features except variadic macro arguments C99 gives? I
don't quite understand a reason for evolving C.
Want 'complex' type - go for C++, want variable-sized arrays - go for C++,
etc.

 

[Gnum]

Your way is <Ctrl> <H>...

Gnum

 

[LibraryUser]

(e-mail address removed) says...


Interesting. I've been an MSDN subscriber for as long as the
program has been in place and I've never been asked once what
I'd like to see in the next release of any product. How do they
know? Do you have to email some spamtrap address at Microsoft
to get this type of thing requested?

I suspect that the real meaning of "customer interest" is
"compliance doesn not enhance Microsoft domination" and/or
"compliance would encourage use of non-Microsoft software in the
marketplace".