#pragma once

#include <stdlib.h>	//calloc
#include <stddef.h>	//NULL

#define CALLOC(type, number) ((type *)calloc(sizeof(type), number))

#define REALLOC(type, ptr, number) ((type *)realloc(ptr, (number) * sizeof(type)))

#define	FREE(p)	{free(p); p = NULL;}

#define	TRUE	1
#define	FALSE	0

#ifndef MAX
#define MAX(a, b)  	(((a) > (b)) ? (a) : (b))
#endif

#ifndef MIN
#define MIN(a, b)  	(((a) < (b)) ? (a) : (b))
#endif

#ifndef offsetof
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#endif

#ifndef container_of
#define container_of(ptr, type, member) ({			 \
	const typeof( ((type *)0)->member ) *__mptr = (ptr); \
	(type *)( (char *)__mptr - offsetof(type,member) );})
#endif

#ifndef __unused
#define __unused __attribute__((__unused__))
#endif

#ifndef likely
#define likely(x)  __builtin_expect((x),1)
#endif /* likely */

#ifndef unlikely
#define unlikely(x)  __builtin_expect((x),0)
#endif /* unlikely */