src/types.h

// Basic type definitions for X86 cpus.
//
// Copyright (C) 2008  Kevin O'Connor <kevin@koconnor.net>
//
// This file may be distributed under the terms of the GNU GPLv3 license.
#ifndef __TYPES_H
#define __TYPES_H

typedef unsigned char u8;
typedef signed char s8;
typedef unsigned short u16;
typedef signed short s16;
typedef unsigned int u32;
typedef signed int s32;
typedef u32 size_t;

#define __VISIBLE __attribute__((externally_visible))
#ifdef MODE16
// Notes a function as externally visible in the 16bit code chunk.
#define VISIBLE16 __VISIBLE
// Notes a function as externally visible in the 32bit code chunk.
#define VISIBLE32
#else
#define VISIBLE16
#define VISIBLE32 __VISIBLE
#endif

#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))

#define NULL ((void *)0)

#define PACKED __attribute__((packed))

#endif // types.h