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 1.7 2004/05/05 00:17:45 hsu Exp $ 36 */ 37 38 #ifndef _SYS_LIBKERN_H_ 39 #define _SYS_LIBKERN_H_ 40 41 #include <sys/cdefs.h> 42 #include <sys/types.h> 43 #ifdef _KERNEL 44 #include <sys/systm.h> 45 #endif 46 47 /* BCD conversions. */ 48 extern u_char const bcd2bin_data[]; 49 extern u_char const bin2bcd_data[]; 50 extern char const hex2ascii_data[]; 51 52 #define bcd2bin(bcd) (bcd2bin_data[bcd]) 53 #define bin2bcd(bin) (bin2bcd_data[bin]) 54 #define hex2ascii(hex) (hex2ascii_data[hex]) 55 56 static __inline int imax(int a, int b) { return (a > b ? a : b); } 57 static __inline int imin(int a, int b) { return (a < b ? a : b); } 58 static __inline long lmax(long a, long b) { return (a > b ? a : b); } 59 static __inline long lmin(long a, long b) { return (a < b ? a : b); } 60 static __inline u_int max(u_int a, u_int b) { return (a > b ? a : b); } 61 static __inline u_int min(u_int a, u_int b) { return (a < b ? a : b); } 62 static __inline quad_t qmax(quad_t a, quad_t b) { return (a > b ? a : b); } 63 static __inline quad_t qmin(quad_t a, quad_t b) { return (a < b ? a : b); } 64 static __inline u_long ulmax(u_long a, u_long b) { return (a > b ? a : b); } 65 static __inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); } 66 67 /* Prototypes for non-quad routines. */ 68 u_int32_t arc4random (void); 69 int bcmp (const void *, const void *, size_t); 70 #ifndef HAVE_INLINE_FFS 71 int ffs (int); 72 #endif 73 #ifndef HAVE_INLINE_FLS 74 int fls (int); 75 #endif 76 int locc (int, char *, u_int); 77 void qsort (void *base, size_t nmemb, size_t size, 78 int (*compar)(const void *, const void *)); 79 u_long random (void); 80 char *index (const char *, int); 81 char *rindex (const char *, int); 82 int scanc (u_int, const u_char *, const u_char *, int); 83 int skpc (int, int, char *); 84 void srandom (u_long); 85 char *strcat (char * __restrict, const char * __restrict); 86 int strcmp (const char *, const char *); 87 char *strcpy (char * __restrict, const char * __restrict); 88 size_t strlcat (char *, const char *, size_t); 89 size_t strlcpy (char *, const char *, size_t); 90 size_t strlen (const char *); 91 int strncmp (const char *, const char *, size_t); 92 char *strncpy (char * __restrict, const char * __restrict, size_t); 93 int _fnmatch(const char *, const char *, int, int); 94 95 static __inline int 96 fnmatch(const char *pattern, const char *string, int flags) 97 { 98 return(_fnmatch(pattern, string, flags, 0)); 99 } 100 101 static __inline int 102 memcmp(const void *b1, const void *b2, size_t len) 103 { 104 return (bcmp(b1, b2, len)); 105 } 106 107 static __inline void * 108 memset(void *b, int c, size_t len) 109 { 110 char *bb; 111 112 if (c == 0) 113 bzero(b, len); 114 else 115 for (bb = (char *)b; len--; ) 116 *bb++ = c; 117 return (b); 118 } 119 120 /* fnmatch() return values. */ 121 #define FNM_NOMATCH 1 /* Match failed. */ 122 123 /* fnmatch() flags. */ 124 #define FNM_NOESCAPE 0x01 /* Disable backslash escaping. */ 125 #define FNM_PATHNAME 0x02 /* Slash must be matched by slash. */ 126 #define FNM_PERIOD 0x04 /* Period must be matched by period. */ 127 #define FNM_LEADING_DIR 0x08 /* Ignore /<tail> after Imatch. */ 128 #define FNM_CASEFOLD 0x10 /* Case insensitive search. */ 129 #define FNM_IGNORECASE FNM_CASEFOLD 130 #define FNM_FILE_NAME FNM_PATHNAME 131 132 #endif /* !_SYS_LIBKERN_H_ */ 133