/* SPDX-License-Identifier: GPL-2.0 *//*  * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) */ #ifndef __USER_H__#define __USER_H__ #include <generated/asm-offsets.h> /* * The usual definition - copied here because the kernel provides its own, * fancier, type-safe, definition.  Using that one would require * copying too much infrastructure for my taste, so userspace files * get less checking than kernel files. */#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) /* This is to get size_t and NULL */#ifndef __UM_HOST__#include <linux/types.h>#else#include <stddef.h>#include <sys/types.h>#endif extern void panic(const char *fmt, ...)	__attribute__ ((format (printf, 1, 2))); /* Requires preincluding include/linux/kern_levels.h */#define UM_KERN_EMERG	KERN_EMERG#define UM_KERN_ALERT	KERN_ALERT#define UM_KERN_CRIT	KERN_CRIT#define UM_KERN_ERR	KERN_ERR#define UM_KERN_WARNING	KERN_WARNING#define UM_KERN_NOTICE	KERN_NOTICE#define UM_KERN_INFO	KERN_INFO#define UM_KERN_DEBUG	KERN_DEBUG#define UM_KERN_CONT	KERN_CONT #if IS_ENABLED(CONFIG_PRINTK)#define printk(...) _printk(__VA_ARGS__)extern int _printk(const char *fmt, ...)	__attribute__ ((format (printf, 1, 2)));extern void print_hex_dump(const char *level, const char *prefix_str,			   int prefix_type, int rowsize, int groupsize,			   const void *buf, size_t len, _Bool ascii);#elsestatic inline int printk(const char *fmt, ...){	return 0;}static inline void print_hex_dump(const char *level, const char *prefix_str,				  int prefix_type, int rowsize, int groupsize,				  const void *buf, size_t len, _Bool ascii){}#endif extern int in_aton(char *str);extern size_t strlcat(char *, const char *, size_t);extern size_t sized_strscpy(char *, const char *, size_t);#define strscpy(dst, src)	sized_strscpy(dst, src, sizeof(dst)) /* Copied from linux/compiler-gcc.h since we can't include it directly */#define barrier() __asm__ __volatile__("": : :"memory") #endif