bsd/libkern/libkern.h

   1 /*
   2  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*-
  26  * Copyright (c) 1992, 1993
  27  *      The Regents of the University of California.  All rights reserved.
  28  *
  29  * Redistribution and use in source and binary forms, with or without
  30  * modification, are permitted provided that the following conditions
  31  * are met:
  32  * 1. Redistributions of source code must retain the above copyright
  33  *    notice, this list of conditions and the following disclaimer.
  34  * 2. Redistributions in binary form must reproduce the above copyright
  35  *    notice, this list of conditions and the following disclaimer in the
  36  *    documentation and/or other materials provided with the distribution.
  37  * 3. All advertising materials mentioning features or use of this software
  38  *    must display the following acknowledgement:
  39  *      This product includes software developed by the University of
  40  *      California, Berkeley and its contributors.
  41  * 4. Neither the name of the University nor the names of its contributors
  42  *    may be used to endorse or promote products derived from this software
  43  *    without specific prior written permission.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  46  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  47  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  48  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  49  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  50  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  51  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  52  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  53  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  54  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  55  * SUCH DAMAGE.
  56  *
  57  *      @(#)libkern.h   8.1 (Berkeley) 6/10/93
  58  */
  59
  60 #ifndef _LIBKERN_LIBKERN_H_
  61 #define _LIBKERN_LIBKERN_H_
  62
  63 #include <sys/appleapiopts.h>
  64 #include <sys/cdefs.h>
  65 #include <sys/types.h>
  66
  67 #ifdef __APPLE_API_OBSOLETE
  68 /* BCD conversions. */
  69 extern u_char const     bcd2bin_data[];
  70 extern u_char const     bin2bcd_data[];
  71
  72 #define bcd2bin(bcd)    (bcd2bin_data[bcd])
  73 #define bin2bcd(bin)    (bin2bcd_data[bin])
  74 #endif /* __APPLE_API_OBSOLETE */
  75
  76 #ifdef __APPLE_API_PRIVATE
  77 extern char const       hex2ascii_data[];
  78
  79 #define hex2ascii(hex)  (hex2ascii_data[hex])
  80 #endif /* __APPLE_API_PRIVATE */
  81
  82 __BEGIN_DECLS
  83 static inline int
  84 imax(int a, int b)
  85 {
  86         return (a > b ? a : b);
  87 }
  88 static inline int
  89 imin(int a, int b)
  90 {
  91         return (a < b ? a : b);
  92 }
  93 static inline long
  94 lmax(long a, long b)
  95 {
  96         return (a > b ? a : b);
  97 }
  98 static inline long
  99 lmin(long a, long b)
 100 {
 101         return (a < b ? a : b);
 102 }
 103 static inline u_int
 104 max(u_int a, u_int b)
 105 {
 106         return (a > b ? a : b);
 107 }
 108 static inline u_int
 109 min(u_int a, u_int b)
 110 {
 111         return (a < b ? a : b);
 112 }
 113 static inline u_long
 114 ulmax(u_long a, u_long b)
 115 {
 116         return (a > b ? a : b);
 117 }
 118 static inline u_long
 119 ulmin(u_long a, u_long b)
 120 {
 121         return (a < b ? a : b);
 122 }
 123
 124 /* Prototypes for non-quad routines. */
 125 int      bcmp __P((const void *, const void *, size_t));
 126 int      ffs __P((int));
 127 int      locc __P((int, char *, u_int));
 128 u_long   random __P((void));
 129 char    *rindex __P((const char *, int));
 130 int      scanc __P((u_int, u_char *, u_char *, int));
 131 int      skpc __P((int, int, char *));
 132 char    *strcat __P((char *, const char *));
 133 char    *strcpy __P((char *, const char *));
 134 size_t   strlen __P((const char *));
 135 char    *strncpy __P((char *, const char *, size_t));
 136 long    strtol __P((const char*, char **, int));
 137 __END_DECLS
 138
 139 #endif /* _LIBKERN_LIBKERN_H_ */