libkern.h revision 1.48.2.2
1 /* $NetBSD: libkern.h,v 1.48.2.2 2004/09/18 14:53:41 skrll 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)libkern.h 8.2 (Berkeley) 8/5/94 32 */ 33 34 #ifndef _LIB_LIBKERN_LIBKERN_H_ 35 #define _LIB_LIBKERN_LIBKERN_H_ 36 37 #include <sys/types.h> 38 39 #ifndef LIBKERN_INLINE 40 #define LIBKERN_INLINE static __inline 41 #define LIBKERN_BODY 42 #endif 43 44 LIBKERN_INLINE int imax __P((int, int)) __attribute__ ((unused)); 45 LIBKERN_INLINE int imin __P((int, int)) __attribute__ ((unused)); 46 LIBKERN_INLINE u_int max __P((u_int, u_int)) __attribute__ ((unused)); 47 LIBKERN_INLINE u_int min __P((u_int, u_int)) __attribute__ ((unused)); 48 LIBKERN_INLINE long lmax __P((long, long)) __attribute__ ((unused)); 49 LIBKERN_INLINE long lmin __P((long, long)) __attribute__ ((unused)); 50 LIBKERN_INLINE u_long ulmax __P((u_long, u_long)) __attribute__ ((unused)); 51 LIBKERN_INLINE u_long ulmin __P((u_long, u_long)) __attribute__ ((unused)); 52 LIBKERN_INLINE int abs __P((int)) __attribute__ ((unused)); 53 54 LIBKERN_INLINE int isspace __P((int)) __attribute__((__unused__)); 55 LIBKERN_INLINE int isascii __P((int)) __attribute__((__unused__)); 56 LIBKERN_INLINE int isupper __P((int)) __attribute__((__unused__)); 57 LIBKERN_INLINE int islower __P((int)) __attribute__((__unused__)); 58 LIBKERN_INLINE int isalpha __P((int)) __attribute__((__unused__)); 59 LIBKERN_INLINE int isdigit __P((int)) __attribute__((__unused__)); 60 LIBKERN_INLINE int isxdigit __P((int)) __attribute__((__unused__)); 61 LIBKERN_INLINE int toupper __P((int)) __attribute__((__unused__)); 62 LIBKERN_INLINE int tolower __P((int)) __attribute__((__unused__)); 63 64 #ifdef LIBKERN_BODY 65 LIBKERN_INLINE int 66 imax(int a, int b) 67 { 68 return (a > b ? a : b); 69 } 70 LIBKERN_INLINE int 71 imin(int a, int b) 72 { 73 return (a < b ? a : b); 74 } 75 LIBKERN_INLINE long 76 lmax(long a, long b) 77 { 78 return (a > b ? a : b); 79 } 80 LIBKERN_INLINE long 81 lmin(long a, long b) 82 { 83 return (a < b ? a : b); 84 } 85 LIBKERN_INLINE u_int 86 max(u_int a, u_int b) 87 { 88 return (a > b ? a : b); 89 } 90 LIBKERN_INLINE u_int 91 min(u_int a, u_int b) 92 { 93 return (a < b ? a : b); 94 } 95 LIBKERN_INLINE u_long 96 ulmax(u_long a, u_long b) 97 { 98 return (a > b ? a : b); 99 } 100 LIBKERN_INLINE u_long 101 ulmin(u_long a, u_long b) 102 { 103 return (a < b ? a : b); 104 } 105 106 LIBKERN_INLINE int 107 abs(int j) 108 { 109 return(j < 0 ? -j : j); 110 } 111 112 LIBKERN_INLINE int 113 isspace(int ch) 114 { 115 return (ch == ' ' || (ch >= '\t' && ch <= '\r')); 116 } 117 118 LIBKERN_INLINE int 119 isascii(int ch) 120 { 121 return ((ch & ~0x7f) == 0); 122 } 123 124 LIBKERN_INLINE int 125 isupper(int ch) 126 { 127 return (ch >= 'A' && ch <= 'Z'); 128 } 129 130 LIBKERN_INLINE int 131 islower(int ch) 132 { 133 return (ch >= 'a' && ch <= 'z'); 134 } 135 136 LIBKERN_INLINE int 137 isalpha(int ch) 138 { 139 return (isupper(ch) || islower(ch)); 140 } 141 142 LIBKERN_INLINE int 143 isdigit(int ch) 144 { 145 return (ch >= '0' && ch <= '9'); 146 } 147 148 LIBKERN_INLINE int 149 isxdigit(int ch) 150 { 151 return (isdigit(ch) || 152 (ch >= 'A' && ch <= 'F') || 153 (ch >= 'a' && ch <= 'f')); 154 } 155 156 LIBKERN_INLINE int 157 toupper(int ch) 158 { 159 if (islower(ch)) 160 return (ch - 0x20); 161 return (ch); 162 } 163 164 LIBKERN_INLINE int 165 tolower(int ch) 166 { 167 if (isupper(ch)) 168 return (ch + 0x20); 169 return (ch); 170 } 171 #endif 172 173 #ifdef NDEBUG /* tradition! */ 174 #define assert(e) ((void)0) 175 #else 176 #ifdef __STDC__ 177 #define assert(e) (__predict_true((e)) ? (void)0 : \ 178 __assert("", __FILE__, __LINE__, #e)) 179 #else 180 #define assert(e) (__predict_true((e)) ? (void)0 : \ 181 __assert("", __FILE__, __LINE__, "e")) 182 #endif 183 #endif 184 185 #ifndef DIAGNOSTIC 186 #ifdef lint 187 #define KASSERT(e) /* NOTHING */ 188 #else /* !lint */ 189 #define KASSERT(e) ((void)0) 190 #endif /* !lint */ 191 #else 192 #ifdef __STDC__ 193 #define KASSERT(e) (__predict_true((e)) ? (void)0 : \ 194 __assert("diagnostic ", __FILE__, __LINE__, #e)) 195 #else 196 #define KASSERT(e) (__predict_true((e)) ? (void)0 : \ 197 __assert("diagnostic ", __FILE__, __LINE__, "e")) 198 #endif 199 #endif 200 201 #ifndef DEBUG 202 #ifdef lint 203 #define KDASSERT(e) /* NOTHING */ 204 #else /* lint */ 205 #define KDASSERT(e) ((void)0) 206 #endif /* lint */ 207 #else 208 #ifdef __STDC__ 209 #define KDASSERT(e) (__predict_true((e)) ? (void)0 : \ 210 __assert("debugging ", __FILE__, __LINE__, #e)) 211 #else 212 #define KDASSERT(e) (__predict_true((e)) ? (void)0 : \ 213 __assert("debugging ", __FILE__, __LINE__, "e")) 214 #endif 215 #endif 216 217 #ifndef offsetof 218 #define offsetof(type, member) \ 219 ((size_t)(unsigned long)(&(((type *)0)->member))) 220 #endif 221 222 /* Prototypes for non-quad routines. */ 223 /* XXX notyet #ifdef _STANDALONE */ 224 int bcmp __P((const void *, const void *, size_t)); 225 void bzero __P((void *, size_t)); 226 /* #endif */ 227 228 /* Prototypes for which GCC built-ins exist. */ 229 void *memcpy __P((void *, const void *, size_t)); 230 int memcmp __P((const void *, const void *, size_t)); 231 void *memset __P((void *, int, size_t)); 232 #if __GNUC_PREREQ__(2, 95) && !defined(__vax__) 233 #define memcpy(d, s, l) __builtin_memcpy(d, s, l) 234 #define memcmp(a, b, l) __builtin_memcmp(a, b, l) 235 #define memset(d, v, l) __builtin_memset(d, v, l) 236 #endif 237 238 char *strcpy __P((char *, const char *)); 239 int strcmp __P((const char *, const char *)); 240 size_t strlen __P((const char *)); 241 #if __GNUC_PREREQ__(2, 95) 242 #define strcpy(d, s) __builtin_strcpy(d, s) 243 #define strcmp(a, b) __builtin_strcmp(a, b) 244 #define strlen(a) __builtin_strlen(a) 245 #endif 246 247 /* Functions for which we always use built-ins. */ 248 #ifdef __GNUC__ 249 #define alloca(s) __builtin_alloca(s) 250 #endif 251 252 /* These exist in GCC 3.x, but we don't bother. */ 253 char *strcat __P((char *, const char *)); 254 char *strncpy __P((char *, const char *, size_t)); 255 int strncmp __P((const char *, const char *, size_t)); 256 char *strchr __P((const char *, int)); 257 char *strrchr __P((const char *, int)); 258 259 char *strstr __P((const char *, const char *)); 260 261 /* 262 * ffs is an instruction on vax. 263 */ 264 int ffs __P((int)); 265 #if __GNUC_PREREQ__(2, 95) && !defined(__vax__) 266 #define ffs(x) __builtin_ffs(x) 267 #endif 268 269 void __assert __P((const char *, const char *, int, const char *)) 270 __attribute__((__noreturn__)); 271 u_int32_t 272 inet_addr __P((const char *)); 273 char *intoa __P((u_int32_t)); 274 #define inet_ntoa(a) intoa((a).s_addr) 275 void *memchr __P((const void *, int, size_t)); 276 void *memmove __P((void *, const void *, size_t)); 277 int pmatch __P((const char *, const char *, const char **)); 278 u_int32_t arc4random __P((void)); 279 void arc4randbytes __P((void *, size_t)); 280 u_long random __P((void)); 281 int scanc __P((u_int, const u_char *, const u_char *, int)); 282 int skpc __P((int, size_t, u_char *)); 283 int strcasecmp __P((const char *, const char *)); 284 size_t strlcpy __P((char *, const char *, size_t)); 285 size_t strlcat __P((char *, const char *, size_t)); 286 int strncasecmp __P((const char *, const char *, size_t)); 287 u_long strtoul __P((const char *, char **, int)); 288 #endif /* !_LIB_LIBKERN_LIBKERN_H_ */ 289
Indexes created Sun Sep 21 15:09:59 GMT 2025