/*- * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)libkern.h 8.1 (Berkeley) 6/10/93 * $FreeBSD: src/sys/sys/libkern.h,v 1.20.2.2 2001/09/30 21:12:54 luigi Exp $ * $DragonFly: src/sys/sys/libkern.h,v 1.16 2007/11/18 17:53:02 pavalos Exp $ */ #ifndef _SYS_LIBKERN_H_ #define _SYS_LIBKERN_H_ #if !defined(_KERNEL) #error "This file should not be included by userland programs." #else /* * Hacks to prevent conflicts with standard header files */ #ifndef _SYS_CDEFS_H_ #include #endif #ifndef _SYS_TYPES_H_ #include #endif #ifndef _SYS_SYSTM_H_ #include #endif /* BCD conversions. */ extern u_char const bcd2bin_data[]; extern u_char const bin2bcd_data[]; extern char const hex2ascii_data[]; #define bcd2bin(bcd) (bcd2bin_data[bcd]) #define bin2bcd(bin) (bin2bcd_data[bin]) #define hex2ascii(hex) (hex2ascii_data[hex]) static __inline int imax(int a, int b) { return (a > b ? a : b); } static __inline int imin(int a, int b) { return (a < b ? a : b); } static __inline long lmax(long a, long b) { return (a > b ? a : b); } static __inline long lmin(long a, long b) { return (a < b ? a : b); } static __inline u_int umax(u_int a, u_int b) { return (a > b ? a : b); } static __inline u_int umin(u_int a, u_int b) { return (a < b ? a : b); } static __inline u_int max(u_int a, u_int b) { return (a > b ? a : b); } static __inline u_int min(u_int a, u_int b) { return (a < b ? a : b); } static __inline quad_t qmax(quad_t a, quad_t b) { return (a > b ? a : b); } static __inline quad_t qmin(quad_t a, quad_t b) { return (a < b ? a : b); } static __inline u_long ulmax(u_long a, u_long b) { return (a > b ? a : b); } static __inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); } static __inline u_int64_t u64max(u_int64_t a, u_int64_t b) { return (a > b ? a : b); } static __inline u_int64_t u64min(u_int64_t a, u_int64_t b) { return (a < b ? a : b); } static __inline int64_t i64max(int64_t a, int64_t b) { return (a > b ? a : b); } static __inline int64_t i64min(int64_t a, int64_t b) { return (a < b ? a : b); } static __inline size_t szmax(size_t a, size_t b) { return (a > b ? a : b); } static __inline size_t szmin(size_t a, size_t b) { return (a < b ? a : b); } static __inline int abs(int a) { return (a < 0 ? -a : a); } static __inline long labs(long a) { return (a < 0 ? -a : a); } static __inline quad_t qabs(quad_t a) { return (a < 0 ? -a : a); } /* Prototypes for non-quad routines. */ u_int32_t karc4random (void); void karc4rand (void *, size_t); int bcmp (const void *, const void *, size_t); void *kbsearch (const void *, const void *, size_t, size_t, int (*)(const void *, const void *)); #ifndef HAVE_INLINE_FFS int ffs (int); #endif #ifndef HAVE_INLINE_FLS int fls (int); #endif #ifndef HAVE_INLINE_FLSL int flsl(long); #endif int locc (int, char *, u_int); void kqsort (void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *)); u_long krandom (void); char *index (const char *, int); char *rindex (const char *, int); int scanc (u_int, const u_char *, const u_char *, int); int skpc (int, int, char *); void skrandom (u_long); char *strcat (char * __restrict, const char * __restrict); int strcmp (const char *, const char *); int strcasecmp (const char *, const char *); char *strcpy (char * __restrict, const char * __restrict); size_t strlcat (char *, const char *, size_t); size_t strlcpy (char *, const char *, size_t); size_t strlen (const char *); int strncmp (const char *, const char *, size_t); int strncasecmp (const char *, const char *, size_t); char *strncpy (char * __restrict, const char * __restrict, size_t); char *strsep(char **, const char *); int _kfnmatch(const char *, const char *, int, int); void * memcchr(const void *, int, size_t); /* * memset can't be an inline, it is used by gcc-4.x directly. */ void *memset(void *b, int c, size_t len); void *memmove(void *s1, const void *s2, size_t n); static __inline int kfnmatch(const char *pattern, const char *string, int flags) { return(_kfnmatch(pattern, string, flags, 0)); } static __inline int memcmp(const void *b1, const void *b2, size_t len) { return (bcmp(b1, b2, len)); } static __inline char * strchr(const char *p, int ch) { return (index(p, ch)); } static __inline char * strrchr(const char *p, int ch) { return (rindex(p, ch)); } /* kfnmatch() return values. */ #define FNM_NOMATCH 1 /* Match failed. */ /* kfnmatch() flags. */ #define FNM_NOESCAPE 0x01 /* Disable backslash escaping. */ #define FNM_PATHNAME 0x02 /* Slash must be matched by slash. */ #define FNM_PERIOD 0x04 /* Period must be matched by period. */ #define FNM_LEADING_DIR 0x08 /* Ignore / after Imatch. */ #define FNM_CASEFOLD 0x10 /* Case insensitive search. */ #define FNM_IGNORECASE FNM_CASEFOLD #define FNM_FILE_NAME FNM_PATHNAME #endif /* _KERNEL */ #endif /* !_SYS_LIBKERN_H_ */