1 /* $NetBSD: libkern.h,v 1.32 2000/11/01 19:37:18 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)libkern.h 8.2 (Berkeley) 8/5/94 36 */ 37 38 #ifndef _LIB_LIBKERN_LIBKERN_H_ 39 #define _LIB_LIBKERN_LIBKERN_H_ 40 41 #include <sys/types.h> 42 43 #ifndef LIBKERN_INLINE 44 #define LIBKERN_INLINE static __inline 45 #define LIBKERN_BODY 46 #endif 47 48 LIBKERN_INLINE int imax __P((int, int)) __attribute__ ((unused)); 49 LIBKERN_INLINE int imin __P((int, int)) __attribute__ ((unused)); 50 LIBKERN_INLINE u_int max __P((u_int, u_int)) __attribute__ ((unused)); 51 LIBKERN_INLINE u_int min __P((u_int, u_int)) __attribute__ ((unused)); 52 LIBKERN_INLINE long lmax __P((long, long)) __attribute__ ((unused)); 53 LIBKERN_INLINE long lmin __P((long, long)) __attribute__ ((unused)); 54 LIBKERN_INLINE u_long ulmax __P((u_long, u_long)) __attribute__ ((unused)); 55 LIBKERN_INLINE u_long ulmin __P((u_long, u_long)) __attribute__ ((unused)); 56 LIBKERN_INLINE int abs __P((int)) __attribute__ ((unused)); 57 58 #ifdef LIBKERN_BODY 59 LIBKERN_INLINE int 60 imax(a, b) 61 int a, b; 62 { 63 return (a > b ? a : b); 64 } 65 LIBKERN_INLINE int 66 imin(a, b) 67 int a, b; 68 { 69 return (a < b ? a : b); 70 } 71 LIBKERN_INLINE long 72 lmax(a, b) 73 long a, b; 74 { 75 return (a > b ? a : b); 76 } 77 LIBKERN_INLINE long 78 lmin(a, b) 79 long a, b; 80 { 81 return (a < b ? a : b); 82 } 83 LIBKERN_INLINE u_int 84 max(a, b) 85 u_int a, b; 86 { 87 return (a > b ? a : b); 88 } 89 LIBKERN_INLINE u_int 90 min(a, b) 91 u_int a, b; 92 { 93 return (a < b ? a : b); 94 } 95 LIBKERN_INLINE u_long 96 ulmax(a, b) 97 u_long a, b; 98 { 99 return (a > b ? a : b); 100 } 101 LIBKERN_INLINE u_long 102 ulmin(a, b) 103 u_long a, b; 104 { 105 return (a < b ? a : b); 106 } 107 108 LIBKERN_INLINE int 109 abs(j) 110 int j; 111 { 112 return(j < 0 ? -j : j); 113 } 114 #endif 115 116 #ifdef NDEBUG /* tradition! */ 117 #define assert(e) ((void)0) 118 #else 119 #ifdef __STDC__ 120 #define assert(e) (__predict_true((e)) ? (void)0 : \ 121 __assert("", __FILE__, __LINE__, #e)) 122 #else 123 #define assert(e) (__predict_true((e)) ? (void)0 : \ 124 __assert("", __FILE__, __LINE__, "e")) 125 #endif 126 #endif 127 128 #ifndef DIAGNOSTIC 129 #define KASSERT(e) ((void)0) 130 #else 131 #ifdef __STDC__ 132 #define KASSERT(e) (__predict_true((e)) ? (void)0 : \ 133 __assert("diagnostic ", __FILE__, __LINE__, #e)) 134 #else 135 #define KASSERT(e) (__predict_true((e)) ? (void)0 : \ 136 __assert("diagnostic ", __FILE__, __LINE__, "e")) 137 #endif 138 #endif 139 140 #ifndef DEBUG 141 #define KDASSERT(e) ((void)0) 142 #else 143 #ifdef __STDC__ 144 #define KDASSERT(e) (__predict_true((e)) ? (void)0 : \ 145 __assert("debugging ", __FILE__, __LINE__, #e)) 146 #else 147 #define KDASSERT(e) (__predict_true((e)) ? (void)0 : \ 148 __assert("debugging ", __FILE__, __LINE__, "e")) 149 #endif 150 #endif 151 152 #ifndef offsetof 153 #define offsetof(type, member) ((size_t)(&((type *)0)->member)) 154 #endif 155 156 /* Prototypes for non-quad routines. */ 157 void __assert __P((const char *, const char *, int, const char *)) 158 __attribute__((__noreturn__)); 159 int bcmp __P((const void *, const void *, size_t)); 160 void bzero __P((void *, size_t)); 161 int ffs __P((int)); 162 u_int32_t 163 inet_addr __P((const char *)); 164 char *intoa __P((u_int32_t)); 165 #define inet_ntoa(a) intoa((a).s_addr) 166 void *memchr __P((const void *, int, size_t)); 167 int memcmp __P((const void *, const void *, size_t)); 168 void *memcpy __P((void *, const void *, size_t)); 169 void *memmove __P((void *, const void *, size_t)); 170 void *memset __P((void *, int, size_t)); 171 int pmatch __P((const char *, const char *, const char **)); 172 u_long random __P((void)); 173 int scanc __P((u_int, const u_char *, const u_char *, int)); 174 int skpc __P((int, size_t, u_char *)); 175 char *strcat __P((char *, const char *)); 176 char *strchr __P((const char *, int)); 177 int strcmp __P((const char *, const char *)); 178 int strcasecmp __P((const char *, const char *)); 179 char *strcpy __P((char *, const char *)); 180 size_t strlen __P((const char *)); 181 int strncasecmp __P((const char *, const char *, size_t)); 182 int strncmp __P((const char *, const char *, size_t)); 183 char *strncpy __P((char *, const char *, size_t)); 184 char *strrchr __P((const char *, int)); 185 u_long strtoul __P((const char *, char **, int)); 186 #endif /* !_LIB_LIBKERN_LIBKERN_H_ */ 187