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Linux/arch/um/include/shared/user.h

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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
 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 

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