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
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23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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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
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 1.8 2006/05/21 03:43:47 dillon Exp $
38 #ifndef _SYS_LIBKERN_H_
39 #define _SYS_LIBKERN_H_
42 #error "This file should not be included by userland programs."
46 #include <sys/cdefs.h>
49 #include <sys/types.h>
52 #include <sys/systm.h>
55 /* BCD conversions. */
56 extern u_char const bcd2bin_data[];
57 extern u_char const bin2bcd_data[];
58 extern char const hex2ascii_data[];
60 #define bcd2bin(bcd) (bcd2bin_data[bcd])
61 #define bin2bcd(bin) (bin2bcd_data[bin])
62 #define hex2ascii(hex) (hex2ascii_data[hex])
64 static __inline int imax(int a, int b) { return (a > b ? a : b); }
65 static __inline int imin(int a, int b) { return (a < b ? a : b); }
66 static __inline long lmax(long a, long b) { return (a > b ? a : b); }
67 static __inline long lmin(long a, long b) { return (a < b ? a : b); }
68 static __inline u_int max(u_int a, u_int b) { return (a > b ? a : b); }
69 static __inline u_int min(u_int a, u_int b) { return (a < b ? a : b); }
70 static __inline quad_t qmax(quad_t a, quad_t b) { return (a > b ? a : b); }
71 static __inline quad_t qmin(quad_t a, quad_t b) { return (a < b ? a : b); }
72 static __inline u_long ulmax(u_long a, u_long b) { return (a > b ? a : b); }
73 static __inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); }
75 /* Prototypes for non-quad routines. */
76 u_int32_t arc4random (void);
77 int bcmp (const void *, const void *, size_t);
78 #ifndef HAVE_INLINE_FFS
81 #ifndef HAVE_INLINE_FLS
84 int locc (int, char *, u_int);
85 void qsort (void *base, size_t nmemb, size_t size,
86 int (*compar)(const void *, const void *));
88 char *index (const char *, int);
89 char *rindex (const char *, int);
90 int scanc (u_int, const u_char *, const u_char *, int);
91 int skpc (int, int, char *);
92 void srandom (u_long);
93 char *strcat (char * __restrict, const char * __restrict);
94 int strcmp (const char *, const char *);
95 char *strcpy (char * __restrict, const char * __restrict);
96 size_t strlcat (char *, const char *, size_t);
97 size_t strlcpy (char *, const char *, size_t);
98 size_t strlen (const char *);
99 int strncmp (const char *, const char *, size_t);
100 char *strncpy (char * __restrict, const char * __restrict, size_t);
101 int _fnmatch(const char *, const char *, int, int);
104 fnmatch(const char *pattern, const char *string, int flags)
106 return(_fnmatch(pattern, string, flags, 0));
110 memcmp(const void *b1, const void *b2, size_t len)
112 return (bcmp(b1, b2, len));
115 static __inline void *
116 memset(void *b, int c, size_t len)
123 for (bb = (char *)b; len--; )
128 /* fnmatch() return values. */
129 #define FNM_NOMATCH 1 /* Match failed. */
131 /* fnmatch() flags. */
132 #define FNM_NOESCAPE 0x01 /* Disable backslash escaping. */
133 #define FNM_PATHNAME 0x02 /* Slash must be matched by slash. */
134 #define FNM_PERIOD 0x04 /* Period must be matched by period. */
135 #define FNM_LEADING_DIR 0x08 /* Ignore /<tail> after Imatch. */
136 #define FNM_CASEFOLD 0x10 /* Case insensitive search. */
137 #define FNM_IGNORECASE FNM_CASEFOLD
138 #define FNM_FILE_NAME FNM_PATHNAME
141 #endif /* !_SYS_LIBKERN_H_ */