 @@ -1,14 +1,14 @@
-/*	$NetBSD: libkern.h,v 1.139 2020/04/07 08:07:58 skrll Exp $	*/
+/*	$NetBSD: libkern.h,v 1.140 2020/04/17 17:24:46 maxv Exp $	*/
 /*-
  * Copyright (c) 1992, 1993
  *	The Regents of the University of California.  All rights reserved.
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
 @@ -28,26 +28,27 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
+ *
  *	@(#)libkern.h	8.2 (Berkeley) 8/5/94
  */
 #ifndef _LIB_LIBKERN_LIBKERN_H_
 #define _LIB_LIBKERN_LIBKERN_H_
 #ifdef _KERNEL_OPT
 #include "opt_diagnostic.h"
 #include "opt_kasan.h"
 #include "opt_kcsan.h"
 #include "opt_kmsan.h"
 #endif
 #include <sys/types.h>
 #include <sys/inttypes.h>
 #include <sys/null.h>
 #ifndef LIBKERN_INLINE
 #define LIBKERN_INLINE	static __inline
 #define LIBKERN_BODY
 #endif
 LIBKERN_INLINE int imax(int, int) __unused;
 LIBKERN_INLINE int imin(int, int) __unused;
 @@ -350,27 +351,26 @@ tolower(int ch)
 #endif
 #define	container_of(PTR, TYPE, FIELD)					\
     ((TYPE *)(((char *)(PTR)) - offsetof(TYPE, FIELD))			\
 	+ __validate_container_of(PTR, TYPE, FIELD))
 #define	const_container_of(PTR, TYPE, FIELD)				\
     ((const TYPE *)(((const char *)(PTR)) - offsetof(TYPE, FIELD))	\
 	+ __validate_const_container_of(PTR, TYPE, FIELD))
 /* Prototypes for which GCC built-ins exist. */
 void	*memcpy(void *, const void *, size_t);
 int	 memcmp(const void *, const void *, size_t);
 void	*memset(void *, int, size_t);
 void	*memmem(const void *, size_t, const void *, size_t);
 #if __GNUC_PREREQ__(2, 95) && !defined(_STANDALONE)
 #if defined(_KERNEL) && defined(KASAN)
 void	*kasan_memcpy(void *, const void *, size_t);
 int	 kasan_memcmp(const void *, const void *, size_t);
 void	*kasan_memset(void *, int, size_t);
 #define	memcpy(d, s, l)		kasan_memcpy(d, s, l)
 #define	memcmp(a, b, l)		kasan_memcmp(a, b, l)
 #define	memset(d, v, l)		kasan_memset(d, v, l)
 #elif defined(_KERNEL) && defined(KCSAN)
 void	*kcsan_memcpy(void *, const void *, size_t);
 int	 kcsan_memcmp(const void *, const void *, size_t);
 void	*kcsan_memset(void *, int, size_t);
 #define	memcpy(d, s, l)		kcsan_memcpy(d, s, l)
 @@ -379,32 +379,31 @@ void	*kcsan_memset(void *, int, size_t);
 #elif defined(_KERNEL) && defined(KMSAN)
 void	*kmsan_memcpy(void *, const void *, size_t);
 int	 kmsan_memcmp(const void *, const void *, size_t);
 void	*kmsan_memset(void *, int, size_t);
 #define	memcpy(d, s, l)		kmsan_memcpy(d, s, l)
 #define	memcmp(a, b, l)		kmsan_memcmp(a, b, l)
 #define	memset(d, v, l)		kmsan_memset(d, v, l)
 #else
 #define	memcpy(d, s, l)		__builtin_memcpy(d, s, l)
 #define	memcmp(a, b, l)		__builtin_memcmp(a, b, l)
 #define	memset(d, v, l)		__builtin_memset(d, v, l)
 #endif
 #endif
 void	*memmem(const void *, size_t, const void *, size_t);
 char	*strcpy(char *, const char *);
 int	 strcmp(const char *, const char *);
 size_t	 strlen(const char *);
 size_t	 strnlen(const char *, size_t);
 char	*strsep(char **, const char *);
 #if __GNUC_PREREQ__(2, 95) && !defined(_STANDALONE)
 #if defined(_KERNEL) && defined(KASAN)
 char	*kasan_strcpy(char *, const char *);
 int	 kasan_strcmp(const char *, const char *);
 size_t	 kasan_strlen(const char *);
 #define	strcpy(d, s)		kasan_strcpy(d, s)
 #define	strcmp(a, b)		kasan_strcmp(a, b)
 #define	strlen(a)		kasan_strlen(a)
 #elif defined(_KERNEL) && defined(KCSAN)
 char	*kcsan_strcpy(char *, const char *);
 int	 kcsan_strcmp(const char *, const char *);
 size_t	 kcsan_strlen(const char *);
 #define	strcpy(d, s)		kcsan_strcpy(d, s)
 @@ -413,54 +412,52 @@ size_t	 kcsan_strlen(const char *);
 #elif defined(_KERNEL) && defined(KMSAN)
 char	*kmsan_strcpy(char *, const char *);
 int	 kmsan_strcmp(const char *, const char *);
 size_t	 kmsan_strlen(const char *);
 #define	strcpy(d, s)		kmsan_strcpy(d, s)
 #define	strcmp(a, b)		kmsan_strcmp(a, b)
 #define	strlen(a)		kmsan_strlen(a)
 #else
 #define	strcpy(d, s)		__builtin_strcpy(d, s)
 #define	strcmp(a, b)		__builtin_strcmp(a, b)
 #define	strlen(a)		__builtin_strlen(a)
 #endif
 #endif
 size_t	 strnlen(const char *, size_t);
 char	*strsep(char **, const char *);
 /* Functions for which we always use built-ins. */
 #ifdef __GNUC__
 #define	alloca(s)		__builtin_alloca(s)
 #endif
 /* These exist in GCC 3.x, but we don't bother. */
 char	*strcat(char *, const char *);
 char	*strchr(const char *, int);
 char	*strrchr(const char *, int);
 /* These exist in GCC 3.x, but we don't bother. */
 #if defined(_KERNEL) && defined(KASAN)
 char	*kasan_strcat(char *, const char *);
 char	*kasan_strchr(const char *, int);
 char	*kasan_strrchr(const char *, int);
 #define	strcat(d, s)		kasan_strcat(d, s)
 #define	strchr(s, c)		kasan_strchr(s, c)
 #define	strrchr(s, c)		kasan_strrchr(s, c)
 #elif defined(_KERNEL) && defined(KMSAN)
 char	*kmsan_strcat(char *, const char *);
 char	*kmsan_strchr(const char *, int);
 char	*kmsan_strrchr(const char *, int);
 #define	strcat(d, s)		kmsan_strcat(d, s)
 #define	strchr(s, c)		kmsan_strchr(s, c)
 #define	strrchr(s, c)		kmsan_strrchr(s, c)
 #else
 char	*strcat(char *, const char *);
 char	*strchr(const char *, int);
 char	*strrchr(const char *, int);
 #endif
 size_t	 strcspn(const char *, const char *);
 char	*strncpy(char *, const char *, size_t);
 char	*strncat(char *, const char *, size_t);
 int	 strncmp(const char *, const char *, size_t);
 char	*strstr(const char *, const char *);
 char	*strpbrk(const char *, const char *);
 size_t	 strspn(const char *, const char *);
 /*
  * ffs is an instruction on vax.
  */
 int	 ffs(int);