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/* ==== util.h ============================================================
* Copyright (c) 1991, 1992, 1993 by Chris Provenzano, proven@mit.edu
* 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 Chris Provenzano.
* 4. The name of Chris Provenzano may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``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 CHRIS PROVENZANO 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.
*
* $Id$
*
* Description : Header file for generic utility functions.
*
* 91/08/31 proven - Added exchange.
* Exchange any two objects of any size in any table.
*
* 91/10/06 proven - Cleaned out all the old junk.
*
* 91/03/06 proven - Added getint.
*/
#ifndef _PTHREAD_UTIL_H
#define _PTHREAD_UTIL_H
#ifndef NULL
#define NULL 0
#endif
/* Stuff only pthread internals really uses */
#if defined(PTHREAD_KERNEL)
#undef FALSE
#undef TRUE
typedef enum Boolean {
FALSE,
TRUE
} Boolean;
#define OK 0
#define NUL '\0'
#define NOTOK -1
#if ! defined(min)
#define min(a,b) (((a)<(b))?(a):(b))
#define max(a,b) (((a)>(b))?(a):(b))
#endif
/* Alingn the size to the next multiple of 4 bytes */
#define ALIGN4(size) ((size + 3) & ~3)
#define ALIGN8(size) ((size + 7) & ~7)
#ifdef DEBUG
#define DEBUG0(s) printf(s)
#define DEBUG1(s,a) printf(s,a)
#define DEBUG2(s,a,b) printf(s,a,b)
#define DEBUG3(s,a,b,c) printf(s,a,b,c)
#else
#define DEBUG0(s)
#define DEBUG1(s)
#define DEBUG2(s)
#define DEBUG3(s)
#endif
#endif
#endif
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