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1 /*
2  * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
3  * Licensed under the GPL
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 */
20 #ifndef __UM_HOST__
21 #include <linux/types.h>
22 #else
23 #include <stddef.h>
24 #endif
25 
26 extern void panic(const char *fmt, ...)
27 	__attribute__ ((format (printf, 1, 2)));
28 
29 /* Requires preincluding include/linux/kern_levels.h */
30 #define UM_KERN_EMERG	KERN_EMERG
31 #define UM_KERN_ALERT	KERN_ALERT
32 #define UM_KERN_CRIT	KERN_CRIT
33 #define UM_KERN_ERR	KERN_ERR
34 #define UM_KERN_WARNING	KERN_WARNING
35 #define UM_KERN_NOTICE	KERN_NOTICE
36 #define UM_KERN_INFO	KERN_INFO
37 #define UM_KERN_DEBUG	KERN_DEBUG
38 #define UM_KERN_CONT	KERN_CONT
39 
40 #ifdef UML_CONFIG_PRINTK
41 extern int printk(const char *fmt, ...)
42 	__attribute__ ((format (printf, 1, 2)));
43 #else
printk(const char * fmt,...)44 static inline int printk(const char *fmt, ...)
45 {
46 	return 0;
47 }
48 #endif
49 
50 extern int in_aton(char *str);
51 extern size_t strlcpy(char *, const char *, size_t);
52 extern size_t strlcat(char *, const char *, size_t);
53 
54 /* Copied from linux/compiler-gcc.h since we can't include it directly */
55 #define barrier() __asm__ __volatile__("": : :"memory")
56 
57 #endif
58