1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) 4 */ 5 6#ifndef __USER_H__ 7#define __USER_H__ 8 9#include <generated/asm-offsets.h> 10 11/* 12 * The usual definition - copied here because the kernel provides its own, 13 * fancier, type-safe, definition. Using that one would require 14 * copying too much infrastructure for my taste, so userspace files 15 * get less checking than kernel files. 16 */ 17#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 18 19/* This is to get size_t and NULL */ 20#ifndef __UM_HOST__ 21#include <linux/types.h> 22#else 23#include <stddef.h> 24#include <sys/types.h> 25#endif 26 27extern void panic(const char *fmt, ...) 28 __attribute__ ((format (printf, 1, 2))); 29 30/* Requires preincluding include/linux/kern_levels.h */ 31#define UM_KERN_EMERG KERN_EMERG 32#define UM_KERN_ALERT KERN_ALERT 33#define UM_KERN_CRIT KERN_CRIT 34#define UM_KERN_ERR KERN_ERR 35#define UM_KERN_WARNING KERN_WARNING 36#define UM_KERN_NOTICE KERN_NOTICE 37#define UM_KERN_INFO KERN_INFO 38#define UM_KERN_DEBUG KERN_DEBUG 39#define UM_KERN_CONT KERN_CONT 40 41#ifdef UML_CONFIG_PRINTK 42#define printk(...) _printk(__VA_ARGS__) 43extern int _printk(const char *fmt, ...) 44 __attribute__ ((format (printf, 1, 2))); 45#else 46static inline int printk(const char *fmt, ...) 47{ 48 return 0; 49} 50#endif 51 52extern int in_aton(char *str); 53extern size_t strlcat(char *, const char *, size_t); 54extern size_t sized_strscpy(char *, const char *, size_t); 55#define strscpy(dst, src) sized_strscpy(dst, src, sizeof(dst)) 56 57/* Copied from linux/compiler-gcc.h since we can't include it directly */ 58#define barrier() __asm__ __volatile__("": : :"memory") 59 60#endif 61