user.h 1.5 KB
Newer Older
L
Linus Torvalds 已提交
1
/* 
J
Jeff Dike 已提交
2
 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
L
Linus Torvalds 已提交
3 4 5 6 7 8
 * Licensed under the GPL
 */

#ifndef __USER_H__
#define __USER_H__

A
Al Viro 已提交
9
#include <generated/asm-offsets.h>
J
Jeff Dike 已提交
10

11 12 13 14 15 16 17 18
/*
 * 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]))

J
Jeff Dike 已提交
19 20
/* This is to get size_t */
#ifdef __KERNEL__
21
#include <linux/types.h>
J
Jeff Dike 已提交
22 23 24
#else
#include <stddef.h>
#endif
25

26 27
extern void panic(const char *fmt, ...)
	__attribute__ ((format (printf, 1, 2)));
J
Jeff Dike 已提交
28

29 30 31 32 33 34 35 36 37 38 39
/* 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

J
Jeff Dike 已提交
40
#ifdef UML_CONFIG_PRINTK
41 42
extern int printk(const char *fmt, ...)
	__attribute__ ((format (printf, 1, 2)));
J
Jeff Dike 已提交
43 44 45 46 47 48 49
#else
static inline int printk(const char *fmt, ...)
{
	return 0;
}
#endif

L
Linus Torvalds 已提交
50
extern int in_aton(char *str);
51 52
extern size_t strlcpy(char *, const char *, size_t);
extern size_t strlcat(char *, const char *, size_t);
L
Linus Torvalds 已提交
53

54 55 56
/* Copied from linux/compiler-gcc.h since we can't include it directly */
#define barrier() __asm__ __volatile__("": : :"memory")

L
Linus Torvalds 已提交
57
#endif