/*
 * Copyright (C) 2025 Danny Holman <dholman@gymli.org>
 *
 * This file is part of BoxOS, a free and open-source Unix-like operating
 * system.
 *
 * BoxOS is free software; you can redistribute it and/or modify under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * BoxOS is distributed in the hope it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * BoxOS; if not, see <https://www.gnu.org/licenses/>.
 */

#ifndef STDDEF_H
#define STDDEF_H

#include <stdint.h>

#ifndef NULL
#define NULL ((void*)0)
#endif

#if defined(__x86_64__) || defined(__aarch64__) || defined(__zarch__) || __riscv_xlen == 64
typedef __int64_t               ptrdiff_t;
typedef __int64_t               ssize_t;
typedef __uint64_t              size_t;
typedef __uint32_t              wchar_t;
#elif defined(__i386__) || defined(__arm__) || __riscv_xlen == 32
typedef __int32_t               ptrdiff_t;
typedef __int32_t               ssize_t;
typedef __uint32_t              size_t;
typedef __uint16_t              wchar_t;
#else
#error "Unsupported architecture"
#endif

#define SIZE_MAX                ((size_t)65535)
#define offsetof(type, member)  ((size_t)((char*)&(((type*)0)->member) - (char*)0))

#endif