#ifndef BH_COMMON_H
#define BH_COMMON_H

#include <stddef.h>
#include <stdint.h>

#define BH_OK           0x0000
#define BH_ERROR        0x0001
#define BH_NOIMPL       0x0002
#define BH_OOM          0x0003
#define BH_INVALID      0x0004
#define BH_FOUND        0x0005
#define BH_NOTFOUND     0x0006
#define BH_TIMEOUT      0x0007
#define BH_SHORT        0x0008
#define BH_FULL         0x0009


#define BH_UNUSED(x)    (void)(x)
#define BH_PTR2INT(x)   ((intptr_t)(x))
#define BH_INT2PTR(x)   ((void*)((intptr_t)(x)))

#define BH_CHECK_UADD_WRAP(x, y, type)   ((type)((x) + (y)) < (type)(y))
#define BH_CHECK_USUB_WRAP(x, y, type)   ((type)((x) - (y)) > (type)(x))
#define BH_CHECK_UMUL_WRAP(x, y, type)   ((x) > ((type)-1 / (y)))

typedef int (*BH_EqualCallback)(const void *, const void *);
typedef size_t (*BH_HashCallback)(const void *);
typedef void (*BH_GenericCallback)(void *);

#endif /* BH_COMMON_H */