ctb.h File Reference

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Macros
#define	ctb_arr(itemType, length)
	Creates an array of the given type and length.
#define	ctb_obj(type)
	Creates an object of the given type and initializes it with zeros.
#define	ctb_lengthOf(arr)
	Calculates the length of the given array.
#define	ctb_containerOf(obj, type, member)
	Calculates the address of the containing object.
#define	ctb_staticAssert(expression, identifier)
	Generates a compile-time assertion.

Macro Definition Documentation

ctb_arr

#define ctb_arr	(		itemType,
			length )

Value:

    ((itemType[length]){ 0 })

Creates an array of the given type and length.

Parameters

itemType	Type of each item in the array
length	Number of items in the array

ctb_containerOf

#define ctb_containerOf	(		obj,
			type,
			member )

Value:

    ((type *)((char *)(obj) - offsetof(type, member)))

Calculates the address of the containing object.

Parameters

obj	Object to calculate the containing object from
type	Type of the containing object
member	Member of the containing object

ctb_lengthOf

#define ctb_lengthOf

(

arr

)

Value:

    (sizeof(arr) / sizeof(arr[0]))

Calculates the length of the given array.

Parameters

arr	Array to calculate the length from

ctb_obj

#define ctb_obj

(

type

)

Value:

    ((type){ 0 })

Creates an object of the given type and initializes it with zeros.

Parameters

type	Type of the object

ctb_staticAssert

#define ctb_staticAssert	(		expression,
			identifier )

Value:

    typedef char identifier[(!!(expression)) * 2 - 1]

Generates a compile-time assertion.

Parameters

expression	Expression to assert
identifier	Identifier to use in the assertion