1 /*- 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)libkern.h 8.1 (Berkeley) 6/10/93 34 * $FreeBSD: src/sys/sys/libkern.h,v 1.20.2.2 2001/09/30 21:12:54 luigi Exp $ 35 * $DragonFly: src/sys/sys/libkern.h,v 1.8 2006/05/21 03:43:47 dillon Exp $ 36 */ 37 38 #ifndef _SYS_LIBKERN_H_ 39 #define _SYS_LIBKERN_H_ 40 41 #if !defined(_KERNEL) 42 #error "This file should not be included by userland programs." 43 #else 44 45 #ifndef _SYS_CDEFS_H_ 46 #include <sys/cdefs.h> 47 #endif 48 #ifndef _SYS_TYPES_H_ 49 #include <sys/types.h> 50 #endif 51 #ifndef _SYS_SYSTM_H_ 52 #include <sys/systm.h> 53 #endif 54 55 /* BCD conversions. */ 56 extern u_char const bcd2bin_data[]; 57 extern u_char const bin2bcd_data[]; 58 extern char const hex2ascii_data[]; 59 60 #define bcd2bin(bcd) (bcd2bin_data[bcd]) 61 #define bin2bcd(bin) (bin2bcd_data[bin]) 62 #define hex2ascii(hex) (hex2ascii_data[hex]) 63 64 static __inline int imax(int a, int b) { return (a > b ? a : b); } 65 static __inline int imin(int a, int b) { return (a < b ? a : b); } 66 static __inline long lmax(long a, long b) { return (a > b ? a : b); } 67 static __inline long lmin(long a, long b) { return (a < b ? a : b); } 68 static __inline u_int max(u_int a, u_int b) { return (a > b ? a : b); } 69 static __inline u_int min(u_int a, u_int b) { return (a < b ? a : b); } 70 static __inline quad_t qmax(quad_t a, quad_t b) { return (a > b ? a : b); } 71 static __inline quad_t qmin(quad_t a, quad_t b) { return (a < b ? a : b); } 72 static __inline u_long ulmax(u_long a, u_long b) { return (a > b ? a : b); } 73 static __inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); } 74 75 /* Prototypes for non-quad routines. */ 76 u_int32_t arc4random (void); 77 int bcmp (const void *, const void *, size_t); 78 #ifndef HAVE_INLINE_FFS 79 int ffs (int); 80 #endif 81 #ifndef HAVE_INLINE_FLS 82 int fls (int); 83 #endif 84 int locc (int, char *, u_int); 85 void qsort (void *base, size_t nmemb, size_t size, 86 int (*compar)(const void *, const void *)); 87 u_long random (void); 88 char *index (const char *, int); 89 char *rindex (const char *, int); 90 int scanc (u_int, const u_char *, const u_char *, int); 91 int skpc (int, int, char *); 92 void srandom (u_long); 93 char *strcat (char * __restrict, const char * __restrict); 94 int strcmp (const char *, const char *); 95 char *strcpy (char * __restrict, const char * __restrict); 96 size_t strlcat (char *, const char *, size_t); 97 size_t strlcpy (char *, const char *, size_t); 98 size_t strlen (const char *); 99 int strncmp (const char *, const char *, size_t); 100 char *strncpy (char * __restrict, const char * __restrict, size_t); 101 int _fnmatch(const char *, const char *, int, int); 102 103 static __inline int 104 fnmatch(const char *pattern, const char *string, int flags) 105 { 106 return(_fnmatch(pattern, string, flags, 0)); 107 } 108 109 static __inline int 110 memcmp(const void *b1, const void *b2, size_t len) 111 { 112 return (bcmp(b1, b2, len)); 113 } 114 115 static __inline void * 116 memset(void *b, int c, size_t len) 117 { 118 char *bb; 119 120 if (c == 0) 121 bzero(b, len); 122 else 123 for (bb = (char *)b; len--; ) 124 *bb++ = c; 125 return (b); 126 } 127 128 /* fnmatch() return values. */ 129 #define FNM_NOMATCH 1 /* Match failed. */ 130 131 /* fnmatch() flags. */ 132 #define FNM_NOESCAPE 0x01 /* Disable backslash escaping. */ 133 #define FNM_PATHNAME 0x02 /* Slash must be matched by slash. */ 134 #define FNM_PERIOD 0x04 /* Period must be matched by period. */ 135 #define FNM_LEADING_DIR 0x08 /* Ignore /<tail> after Imatch. */ 136 #define FNM_CASEFOLD 0x10 /* Case insensitive search. */ 137 #define FNM_IGNORECASE FNM_CASEFOLD 138 #define FNM_FILE_NAME FNM_PATHNAME 139 140 #endif /* _KERNEL */ 141 #endif /* !_SYS_LIBKERN_H_ */ 142