Re: CVS commit: src/sys/sys

[christos%zoulas.com@localhost (Christos Zoulas)]

On Aug 10,  7:03pm, tron%NetBSD.org@localhost (Matthias Scheler) wrote:
-- Subject: Re: CVS commit: src/sys/sys

| On Mon, Aug 10, 2009 at 12:59:57PM -0400, Christos Zoulas wrote:
| > | That should allows us to keep the old-casts and avoid warnings.
| > 
| > This cannot possibly work because the syntax parsing happens after the macro
| > is expanded and the macro is expanded in c++ code.
| 
| Why would that matter? G++ should not complain about old style casts
| in 'extern "C"' sections.
| 

extern "C" {
#define bar(a)  (int)(a)
};

void
foo(void) {
        double d = 2;
        int a = bar(a);
}

The c function implemented as a macro should be able to be used in c++ code.

christos