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/*
* Copyright (C) 2000, Matias Atria
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _SYSDEP_H
#define _SYSDEP_H 1
/*
* The purpose of this file is to define symbols that describe the
* system-dependent features we use. Namely, byte order, native integer
* types of various sizes, and safe pointer<->integer conversion.
*/
#include "config.h"
#ifdef WORDS_BIGENDIAN
#define WORD_BIG_ENDIAN 1
#else
#define WORD_LITTLE_ENDIAN 1
#endif
typedef unsigned long Ulong;
typedef unsigned int Uint;
typedef unsigned short Ushort;
typedef unsigned char Uchar;
/* this one's easy */
typedef unsigned char Uint8;
typedef char Int8;
/* define a datatype for 32bit integers (either int or long) */
#if SIZEOF_LONG == 4
typedef unsigned long Uint32;
typedef long Int32;
#else /* SIZEOF_LONG != 4 */
#if SIZEOF_INT == 4
typedef unsigned int Uint32;
typedef int Int32;
#else /* SIZEOF_INT != 4 */
#ifdef __cplusplus
#include "No.appropriate.32bit.native.type.found.Fix.sysdeps.h"
#else
#error No appropriate 32bit native type found. Fix sysdeps.h
#endif /* ! __cplusplus */
#endif /* SIZEOF_INT != 4 */
#endif /* SIZEOF_LONG != 4 */
/* now 16bit integers (one of long, int or short) */
#if SIZEOF_SHORT == 2
typedef unsigned short Uint16;
typedef short Int16;
#else /* SIZEOF_SHORT != 2 */
#if SIZEOF_INT == 2
typedef unsigned int Uint16;
typedef short Int16;
#else /* SIZEOF_INT != 2 */
#ifdef __cplusplus
#include "No.appropriate.16bit.native.type.found.Fix.sysdeps.h"
#else
#error No appropriate 16bit native type found. Fix sysdeps.h
#endif /* ! __cplusplus */
#endif /* SIZEOF_INT != 2 */
#endif /* SIZEOF_SHORT != 2 */
/*
* An integer type to convert to and from pointers safely. All we do here is
* look for an integer type with the same size as a pointer.
*/
#if SIZEOF_LONG == SIZEOF_VOID_P
typedef unsigned long UINT;
typedef long INT;
#else
#if SIZEOF_INT == SIZEOF_VOID_P
typedef unsigned int UINT;
typedef int INT;
#else
#if SIZEOF_SHORT == SIZEOF_VOID_P
typedef unsigned short UINT;
typedef short INT;
#else
#ifdef __cplusplus
#include "No.native.pointer-compatible.integer.type.found.Fix.sysdeps.h"
#else
#error No native pointer-compatible integer type found. Fix sysdeps.h
#endif
#endif
#endif
#endif
/* nice, uh? */
typedef void *Pointer;
/* macros to do the safe pointer <-> integer conversions */
#define Ptr2Int(x) ((INT)((Pointer)(x)))
#define Int2Ptr(x) ((Pointer)((INT)(x)))
#ifdef _NO_PROTO
#define __PROTO(x) ()
#else
#define __PROTO(x) x
#endif
#endif /* _SYSDEP_H */
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