[apple/xnu.git] / bsd / libkern / libkern.h

/*
 * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*-
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)libkern.h	8.1 (Berkeley) 6/10/93
 */

#ifndef _LIBKERN_LIBKERN_H_
#define _LIBKERN_LIBKERN_H_

#include <sys/appleapiopts.h>
#include <sys/cdefs.h>
#include <sys/types.h>

#ifdef __APPLE_API_OBSOLETE
/* BCD conversions. */
extern u_char const	bcd2bin_data[];
extern u_char const	bin2bcd_data[];

#define	bcd2bin(bcd)	(bcd2bin_data[bcd])
#define	bin2bcd(bin)	(bin2bcd_data[bin])
#endif /* __APPLE_API_OBSOLETE */

#ifdef __APPLE_API_PRIVATE
extern char const	hex2ascii_data[];

#define	hex2ascii(hex)	(hex2ascii_data[hex])
#endif /* __APPLE_API_PRIVATE */

__BEGIN_DECLS
static inline int
imax(int a, int b)
{
	return (a > b ? a : b);
}
static inline int
imin(int a, int b)
{
	return (a < b ? a : b);
}
static inline long
lmax(long a, long b)
{
	return (a > b ? a : b);
}
static inline long
lmin(long a, long b)
{
	return (a < b ? a : b);
}
static inline u_int
max(u_int a, u_int b)
{
	return (a > b ? a : b);
}
static inline u_int
min(u_int a, u_int b)
{
	return (a < b ? a : b);
}
static inline u_long
ulmax(u_long a, u_long b)
{
	return (a > b ? a : b);
}
static inline u_long
ulmin(u_long a, u_long b)
{
	return (a < b ? a : b);
}

/* Prototypes for non-quad routines. */
int	 bcmp __P((const void *, const void *, size_t));
int	 ffs __P((int));
int	 locc __P((int, char *, u_int));
u_long	 random __P((void));
char	*rindex __P((const char *, int));
int	 scanc __P((u_int, u_char *, u_char *, int));
int	 skpc __P((int, int, char *));
char	*strcat __P((char *, const char *));
char	*strcpy __P((char *, const char *));
size_t	 strlen __P((const char *));
char	*strncpy __P((char *, const char *, size_t));
long	strtol __P((const char*, char **, int));
__END_DECLS

#endif /* _LIBKERN_LIBKERN_H_ */
Commit	Line	Data
1c79356b	1	/*
9bccf70c	2	* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
1c79356b A	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
d7e50217	6	* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
1c79356b	7	*
d7e50217 A	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
1c79356b A	17	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	18	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
d7e50217 A	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.
1c79356b A	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
9bccf70c	63	#include <sys/appleapiopts.h>
1c79356b A	64	#include <sys/cdefs.h>
	65	#include <sys/types.h>
	66
9bccf70c	67	#ifdef __APPLE_API_OBSOLETE
1c79356b A	68	/* BCD conversions. */
	69	extern u_char const bcd2bin_data[];
	70	extern u_char const bin2bcd_data[];
1c79356b A	71
	72	#define bcd2bin(bcd) (bcd2bin_data[bcd])
	73	#define bin2bcd(bin) (bin2bcd_data[bin])
9bccf70c	74	#endif /* __APPLE_API_OBSOLETE */
1c79356b	75
9bccf70c A	76	#ifdef __APPLE_API_PRIVATE
	77	extern char const hex2ascii_data[];
	78
	79	#define hex2ascii(hex) (hex2ascii_data[hex])
	80	#endif /* __APPLE_API_PRIVATE */
1c79356b A	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_ */