Utils

Misc utils. More...

Macros
#define	EC_CAST(x, old_type, new_type)
#define	EC_VA_END   ((void *)1)
#define	EC_COUNT_OF(x)   ((sizeof(x) / sizeof(0 [x])) / ((size_t)(!(sizeof(x) % sizeof(0 [x])))))
#define	EC_DEPRECATED(msg)   __attribute__((deprecated(msg)))
#define	EC_DEPRECATED_MACRO_(x)   _Pragma(#x)
#define	EC_DEPRECATED_MACRO(msg)   EC_DEPRECATED_MACRO_(GCC warning msg)

Detailed Description

Misc utils.

Macro Definition Documentation

EC_CAST

#define EC_CAST	(		x,
			old_type,
			new_type
	)

Value:

    ({                                                                                         \
        __typeof__(old_type) __x = (x);                                                    \
        (__typeof__(new_type))__x;                                                         \
    })

Cast a variable into a type, ensuring its initial type first

Definition at line 17 of file utils.h.

EC_VA_END

#define EC_VA_END   ((void *)1)

Mark the end of the arguments list in some functions.

Definition at line 26 of file utils.h.

EC_COUNT_OF

#define EC_COUNT_OF

(

x

)

((sizeof(x) / sizeof(0 [x])) / ((size_t)(!(sizeof(x) % sizeof(0 [x])))))

Count number of elements in an array.

Definition at line 31 of file utils.h.

EC_DEPRECATED

#define EC_DEPRECATED

(

msg

)

__attribute__((deprecated(msg)))

Mark a function or type as deprecated.

Definition at line 36 of file utils.h.

EC_DEPRECATED_MACRO_

#define EC_DEPRECATED_MACRO_

(

x

)

_Pragma(#x)

Emit a deprecation warning when a macro is expanded.

Definition at line 41 of file utils.h.