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Annotation of XNU/bsd/libkern/libkern.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*-
        !            23:  * Copyright (c) 1992, 1993
        !            24:  *     The Regents of the University of California.  All rights reserved.
        !            25:  *
        !            26:  * Redistribution and use in source and binary forms, with or without
        !            27:  * modification, are permitted provided that the following conditions
        !            28:  * are met:
        !            29:  * 1. Redistributions of source code must retain the above copyright
        !            30:  *    notice, this list of conditions and the following disclaimer.
        !            31:  * 2. Redistributions in binary form must reproduce the above copyright
        !            32:  *    notice, this list of conditions and the following disclaimer in the
        !            33:  *    documentation and/or other materials provided with the distribution.
        !            34:  * 3. All advertising materials mentioning features or use of this software
        !            35:  *    must display the following acknowledgement:
        !            36:  *     This product includes software developed by the University of
        !            37:  *     California, Berkeley and its contributors.
        !            38:  * 4. Neither the name of the University nor the names of its contributors
        !            39:  *    may be used to endorse or promote products derived from this software
        !            40:  *    without specific prior written permission.
        !            41:  *
        !            42:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            43:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            44:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            45:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            46:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            47:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            48:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            49:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            50:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            51:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            52:  * SUCH DAMAGE.
        !            53:  *
        !            54:  *     @(#)libkern.h   8.1 (Berkeley) 6/10/93
        !            55:  */
        !            56: 
        !            57: #ifndef _LIBKERN_LIBKERN_H_
        !            58: #define _LIBKERN_LIBKERN_H_
        !            59: 
        !            60: #include <sys/cdefs.h>
        !            61: #include <sys/types.h>
        !            62: 
        !            63: /* BCD conversions. */
        !            64: extern u_char const    bcd2bin_data[];
        !            65: extern u_char const    bin2bcd_data[];
        !            66: extern char const      hex2ascii_data[];
        !            67: 
        !            68: #define        bcd2bin(bcd)    (bcd2bin_data[bcd])
        !            69: #define        bin2bcd(bin)    (bin2bcd_data[bin])
        !            70: #define        hex2ascii(hex)  (hex2ascii_data[hex])
        !            71: 
        !            72: 
        !            73: __BEGIN_DECLS
        !            74: static inline int
        !            75: imax(int a, int b)
        !            76: {
        !            77:        return (a > b ? a : b);
        !            78: }
        !            79: static inline int
        !            80: imin(int a, int b)
        !            81: {
        !            82:        return (a < b ? a : b);
        !            83: }
        !            84: static inline long
        !            85: lmax(long a, long b)
        !            86: {
        !            87:        return (a > b ? a : b);
        !            88: }
        !            89: static inline long
        !            90: lmin(long a, long b)
        !            91: {
        !            92:        return (a < b ? a : b);
        !            93: }
        !            94: static inline u_int
        !            95: max(u_int a, u_int b)
        !            96: {
        !            97:        return (a > b ? a : b);
        !            98: }
        !            99: static inline u_int
        !           100: min(u_int a, u_int b)
        !           101: {
        !           102:        return (a < b ? a : b);
        !           103: }
        !           104: static inline u_long
        !           105: ulmax(u_long a, u_long b)
        !           106: {
        !           107:        return (a > b ? a : b);
        !           108: }
        !           109: static inline u_long
        !           110: ulmin(u_long a, u_long b)
        !           111: {
        !           112:        return (a < b ? a : b);
        !           113: }
        !           114: 
        !           115: /* Prototypes for non-quad routines. */
        !           116: int     bcmp __P((const void *, const void *, size_t));
        !           117: int     ffs __P((int));
        !           118: int     locc __P((int, char *, u_int));
        !           119: u_long  random __P((void));
        !           120: char   *rindex __P((const char *, int));
        !           121: int     scanc __P((u_int, u_char *, u_char *, int));
        !           122: int     skpc __P((int, int, char *));
        !           123: char   *strcat __P((char *, const char *));
        !           124: char   *strcpy __P((char *, const char *));
        !           125: size_t  strlen __P((const char *));
        !           126: char   *strncpy __P((char *, const char *, size_t));
        !           127: long   strtol __P((const char*, char **, int));
        !           128: __END_DECLS
        !           129: 
        !           130: #endif /* _LIBKERN_LIBKERN_H_ */

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