/*

 *  Copyright (c) 2009 Nokia Corporation

 *  All rights reserved.

 * 

 *  Redistribution and use in source and binary forms, with or without

 *  modification, are permitted provided that the following conditions are

 *  met:

 * 

 *  * Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 *  * 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.

 *  * Neither the name of the Nokia Corporation 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER

 *  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.

 *

 */

#ifndef __UTILS_H__

#define __UTILS_H__

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif /*HAVE_CONFIG_H*/

/*

 * TODO: only added the definition for the NOTA_DISABLE_WARNINGS case;

 * this should probably be unified with the non-HAVE_ASSERT_H case, which

 * good give unwanted results in some cases

 */

#ifdef NOTA_DISABLE_FATAL_WARNINGS

#include <stdio.h>

#define nota_assert(COND)                                         \

	do {                                                      \

	if (!(COND))					          \

		fprintf (stderr,                                  \

	          "%s: assertion '" #COND "' failed in line %d\n",\

		   __FUNCTION__,__LINE__);			  \

        }while(0)

#else

#ifdef HAVE_ASSERT_H

#include <assert.h>

#define nota_assert(c) assert((c))

#else

#include <stdio.h>

#define nota_assert(c) if(!(c)) {fprintf(stderr, "would have asserted c=%d  file: %s   func: %s   line: %d\n", (int)c,__FILE__, __FUNCTION__, __LINE__);}

#endif/*!HAVE_ASSERT_H*/

#endif /*NOTA_DISABLE_FATAL_WARNINGS*/

#ifdef HAVE_STDINT_H

#include <stdint.h>

#else

typedef long long unsigned uint64_t;

typedef unsigned int       uint32_t;

typedef unsigned short     uint16_t;

typedef unsigned char      uint8_t;

typedef long long int      int64_t;

typedef int                int32_t;

typedef short              int16_t;

typedef char               int8_t;

#endif

/*#ifndef boolean_t

#define boolean_t int

#endif*/

/* byte swapping macros; they won't do anything on little-endian

 * machines; these could be optimized by using some asm

 */

#ifdef BIG_ENDIAN_MACHINE

#define nota_swap16b(P) do { *P=(uint16_t) ( \

    (uint16_t) ((uint16_t) (*P) >> 8) |  \

    (uint16_t) ((uint16_t) (*P) << 8)); } while(0)

#else

#define nota_swap16b(val) do{}while(0)

#endif/*!BIG_ENDIAN_MACHINE*/

#ifdef BIG_ENDIAN_MACHINE

#define nota_swap32b(P) do { (*P)=(uint32_t) (		 \

	(((uint32_t) (*P) & (uint32_t) 0x000000ffU) << 24) |	\

	(((uint32_t) (*P) & (uint32_t) 0x0000ff00U) <<  8) |	\

	(((uint32_t) (*P) & (uint32_t) 0x00ff0000U) >>  8) |	\

	(((uint32_t) (*P) & (uint32_t) 0xff000000U) >> 24));}while(0)

#else

#define nota_swap32b(val) do{}while(0)

#endif /*!BIG_ENDIAN_MACHINE*/

/* inline optimization used as default on various NoTA functions

 * in both H_IN & L_IN.

 */

#ifdef DISABLE_INLINE_OPTIMIZATION

#define NOTA_INLINE

#else

#define NOTA_INLINE inline

#endif

#endif /*__UTILS_H__*/