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
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9 * notice, this list of conditions and the following disclaimer.
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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.
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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 1.7 2004/05/05 00:17:45 hsu Exp $
38 #ifndef _SYS_LIBKERN_H_
39 #define _SYS_LIBKERN_H_
41 #include <sys/cdefs.h>
42 #include <sys/types.h>
44 #include <sys/systm.h>
47 /* BCD conversions. */
48 extern u_char const bcd2bin_data[];
49 extern u_char const bin2bcd_data[];
50 extern char const hex2ascii_data[];
52 #define bcd2bin(bcd) (bcd2bin_data[bcd])
53 #define bin2bcd(bin) (bin2bcd_data[bin])
54 #define hex2ascii(hex) (hex2ascii_data[hex])
56 static __inline int imax(int a, int b) { return (a > b ? a : b); }
57 static __inline int imin(int a, int b) { return (a < b ? a : b); }
58 static __inline long lmax(long a, long b) { return (a > b ? a : b); }
59 static __inline long lmin(long a, long b) { return (a < b ? a : b); }
60 static __inline u_int max(u_int a, u_int b) { return (a > b ? a : b); }
61 static __inline u_int min(u_int a, u_int b) { return (a < b ? a : b); }
62 static __inline quad_t qmax(quad_t a, quad_t b) { return (a > b ? a : b); }
63 static __inline quad_t qmin(quad_t a, quad_t b) { return (a < b ? a : b); }
64 static __inline u_long ulmax(u_long a, u_long b) { return (a > b ? a : b); }
65 static __inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); }
67 /* Prototypes for non-quad routines. */
68 u_int32_t arc4random (void);
69 int bcmp (const void *, const void *, size_t);
70 #ifndef HAVE_INLINE_FFS
73 #ifndef HAVE_INLINE_FLS
76 int locc (int, char *, u_int);
77 void qsort (void *base, size_t nmemb, size_t size,
78 int (*compar)(const void *, const void *));
80 char *index (const char *, int);
81 char *rindex (const char *, int);
82 int scanc (u_int, const u_char *, const u_char *, int);
83 int skpc (int, int, char *);
84 void srandom (u_long);
85 char *strcat (char * __restrict, const char * __restrict);
86 int strcmp (const char *, const char *);
87 char *strcpy (char * __restrict, const char * __restrict);
88 size_t strlcat (char *, const char *, size_t);
89 size_t strlcpy (char *, const char *, size_t);
90 size_t strlen (const char *);
91 int strncmp (const char *, const char *, size_t);
92 char *strncpy (char * __restrict, const char * __restrict, size_t);
93 int _fnmatch(const char *, const char *, int, int);
96 fnmatch(const char *pattern, const char *string, int flags)
98 return(_fnmatch(pattern, string, flags, 0));
102 memcmp(const void *b1, const void *b2, size_t len)
104 return (bcmp(b1, b2, len));
107 static __inline void *
108 memset(void *b, int c, size_t len)
115 for (bb = (char *)b; len--; )
120 /* fnmatch() return values. */
121 #define FNM_NOMATCH 1 /* Match failed. */
123 /* fnmatch() flags. */
124 #define FNM_NOESCAPE 0x01 /* Disable backslash escaping. */
125 #define FNM_PATHNAME 0x02 /* Slash must be matched by slash. */
126 #define FNM_PERIOD 0x04 /* Period must be matched by period. */
127 #define FNM_LEADING_DIR 0x08 /* Ignore /<tail> after Imatch. */
128 #define FNM_CASEFOLD 0x10 /* Case insensitive search. */
129 #define FNM_IGNORECASE FNM_CASEFOLD
130 #define FNM_FILE_NAME FNM_PATHNAME
132 #endif /* !_SYS_LIBKERN_H_ */