2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
33 * @(#)libkern.h 8.1 (Berkeley) 6/10/93
37 #ifndef _SYS_LIBKERN_H_
38 #define _SYS_LIBKERN_H_
40 #include <sys/cdefs.h>
41 #include <sys/types.h>
43 #include <sys/systm.h>
46 /* BCD conversions. */
47 extern u_char const bcd2bin_data[];
48 extern u_char const bin2bcd_data[];
49 extern char const hex2ascii_data[];
51 #define bcd2bin(bcd) (bcd2bin_data[bcd])
52 #define bin2bcd(bin) (bin2bcd_data[bin])
53 #define hex2ascii(hex) (hex2ascii_data[hex])
55 static __inline int imax(int a, int b) { return (a > b ? a : b); }
56 static __inline int imin(int a, int b) { return (a < b ? a : b); }
57 static __inline long lmax(long a, long b) { return (a > b ? a : b); }
58 static __inline long lmin(long a, long b) { return (a < b ? a : b); }
59 static __inline u_int max(u_int a, u_int b) { return (a > b ? a : b); }
60 static __inline u_int min(u_int a, u_int b) { return (a < b ? a : b); }
61 static __inline quad_t qmax(quad_t a, quad_t b) { return (a > b ? a : b); }
62 static __inline quad_t qmin(quad_t a, quad_t b) { return (a < b ? a : b); }
63 static __inline u_long ulmax(u_long a, u_long b) { return (a > b ? a : b); }
64 static __inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); }
66 /* Prototypes for non-quad routines. */
67 u_int32_t arc4random(void);
68 int bcmp(const void *, const void *, size_t);
69 void *bsearch(const void *, const void *, size_t,
70 size_t, int (*)(const void *, const void *));
71 #ifndef HAVE_INLINE_FFS
74 #ifndef HAVE_INLINE_FLS
77 int locc(int, char *, u_int);
78 void qsort(void *base, size_t nmemb, size_t size,
79 int (*compar)(const void *, const void *));
81 char *index(const char *, int);
82 char *rindex(const char *, int);
83 int scanc(u_int, const u_char *, const u_char *, int);
84 int skpc(int, int, char *);
86 char *strcat(char *, const char *);
87 int strcmp(const char *, const char *);
88 char *strcpy(char *, const char *);
89 size_t strlcat(char *, const char *, size_t);
90 size_t strlcpy(char *, const char *, size_t);
91 size_t strlen(const char *);
92 int strncmp(const char *, const char *, size_t);
93 char *strncpy(char *, const char *, size_t);
94 int strvalid(const char *, size_t);
98 memcmp(const void *b1, const void *b2, size_t len)
100 return (bcmp(b1, b2, len));
103 static __inline void *
104 memset(void *b, int c, size_t len)
111 for (bb = (char *)b; len--; )
116 #endif /* !_SYS_LIBKERN_H_ */