libkern.h revision 1.31 1 /* $NetBSD: libkern.h,v 1.31 2000/10/12 03:42:33 msaitoh 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 char *strcpy __P((char *, const char *));
179 size_t strlen __P((const char *));
180 int strncasecmp __P((const char *, const char *, size_t));
181 int strncmp __P((const char *, const char *, size_t));
182 char *strncpy __P((char *, const char *, size_t));
183 char *strrchr __P((const char *, int));
184 u_long strtoul __P((const char *, char **, int));
185 #endif /* !_LIB_LIBKERN_LIBKERN_H_ */
186