macro_helpers.h File Reference

Helper macros. More...

#include "roc_core/stddefs.h"

Go to the source code of this file.

Macros
#define	ROC_MIN(a, b)
	Select minum value.
#define	ROC_MAX(a, b)
	Select minum value.
#define	ROC_ARRAY_SIZE(a)
	Get number of elements in a static array.
#define	ROC_MIN_OF(type)
	Get minimum value of signed or unsigned integer type.
#define	ROC_MAX_OF(type)
	Get maximum value of signed or unsigned integer type.
#define	ROC_CONTAINER_OF(ptr, type, member)
	Cast a member of a structure out to the containing structure.
#define	ROC_STRINGIZE_(s)
	Stringize macro helper.
#define	ROC_STRINGIZE(s)
	Stringize macro.

Detailed Description

Helper macros.

Definition in file macro_helpers.h.

Macro Definition Documentation

ROC_ARRAY_SIZE

#define ROC_ARRAY_SIZE

(

a

)

Value:

(sizeof(a) / sizeof((a)[0]))

Get number of elements in a static array.

Definition at line 24 of file macro_helpers.h.

ROC_CONTAINER_OF

#define ROC_CONTAINER_OF	(		ptr,
			type,
			member )

Value:

    (reinterpret_cast<type*>((char*)(ptr)-offsetof(type, member)))

Cast a member of a structure out to the containing structure.

Definition at line 37 of file macro_helpers.h.

ROC_MAX

#define ROC_MAX	(		a,
			b )

Value:

((a) > (b) ? (a) : (b))

Select minum value.

Definition at line 21 of file macro_helpers.h.

ROC_MAX_OF

#define ROC_MAX_OF

(

type

)

Value:

    ((type)-1 > (type)0 ? (type)(~0ull)                                                  \
                        : (type)((1ull << ((sizeof(type) * 8) - 1)) - 1ull))

Get maximum value of signed or unsigned integer type.

Definition at line 32 of file macro_helpers.h.

ROC_MIN

#define ROC_MIN	(		a,
			b )

Value:

((a) < (b) ? (a) : (b))

Select minum value.

Definition at line 18 of file macro_helpers.h.

ROC_MIN_OF

#define ROC_MIN_OF

(

type

)

Value:

    ((type)-1 > (type)0 ? (type)0                                                        \
                        : (type)((~0ull) - ((1ull << ((sizeof(type) * 8) - 1)) - 1ull)))

Get minimum value of signed or unsigned integer type.

Definition at line 27 of file macro_helpers.h.

ROC_STRINGIZE

#define ROC_STRINGIZE

(

s

)

Value:

ROC_STRINGIZE_(s)

Stringize macro.

Definition at line 44 of file macro_helpers.h.

ROC_STRINGIZE_

#define ROC_STRINGIZE_

(

s

)

Value:

#s

Stringize macro helper.

Definition at line 41 of file macro_helpers.h.