Some utility macros, functions, ...

#define	UNUSED_PARAM(expr)   expr __attribute__ ((unused))
#define	UNUSED_VAR(name)   (void)(name)
#define	WC_INLINE   __attribute__((always_inline)) inline

Detailed Description

Macro Definition Documentation

UNUSED_PARAM

#define UNUSED_PARAM

(

expr

)

expr __attribute__ ((unused))

marks a function parameter unused, and avoids compiler warnings

Parameters

expr	the parameter definition

Example:

the compiler won't complain about y not being used:

    int square(int x, UNUSED_PARAM(int y)) {
        return x * x;
    }

UNUSED_VAR

#define UNUSED_VAR

(

name

)

(void)(name)

marks a variable unused, and avoids compiler warnings

Parameters

name	the variable name

Example:

the compiler won't complain about y not being used:

    int square(int x) {
        int y;
        UNUSED_VAR(y);
        return x * x;
    }

WC_INLINE

#define WC_INLINE   __attribute__((always_inline)) inline