Helper macros. More...

#include "roc_core/stddefs.h"

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Macros
#define	ROC_MIN(a, b) ((a) < (b) ? (a) : (b))
	Select minum value. More...

#define	ROC_MAX(a, b) ((a) > (b) ? (a) : (b))
	Select minum value. More...

#define	ROC_ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
	Get number of elements in a static array. More...

#define	ROC_MIN_OF(type)
	Get minimum value of signed or unsigned integer type. More...

#define	ROC_MAX_OF(type)
	Get maximum value of signed or unsigned integer type. More...

#define	ROC_CONTAINER_OF(ptr, type, member) (reinterpret_cast<type>((char)(ptr)-offsetof(type, member)))
	Cast a member of a structure out to the containing structure. More...

#define	ROC_STRINGIZE_(s) #s
	Stringize macro helper. More...

#define	ROC_STRINGIZE(s) ROC_STRINGIZE_(s)
	Stringize macro. More...

Detailed Description

Helper macros.

Definition in file macro_helpers.h.

Macro Definition Documentation

◆ ROC_ARRAY_SIZE

#define ROC_ARRAY_SIZE ( a ) (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
	)	(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
	)	((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
	)	((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 ) ROC_STRINGIZE_(s)

Stringize macro.

Definition at line 44 of file macro_helpers.h.

◆ ROC_STRINGIZE_

#define ROC_STRINGIZE_ ( s ) #s

Stringize macro helper.

Definition at line 41 of file macro_helpers.h.

Macros