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updates to cygwin compatibility

/*
 *
 * Copyright (c) 2003 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:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - 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.
 *
 */
 

/* $Id: cygwin_compat.h,v 1.3 2006/02/07 02:16:11 jelson Exp $ */

#if defined(__CYGWIN__) && !defined(__CYGWIN_COMPAT_H__)
#define __CYGWIN_COMPAT_H__

#include <stdint.h>

typedef long long int loff_t;

#define uint32_t __uint32_t
#define int32_t  __int32_t
//typedef __uint32_t uint32_t

#define __STRING(expr) #expr 


/* ioctl stuff */
#ifndef IOCPARM_MASK
#define IOCPARM_MASK	0x7f
#define IOC_VOID	0x20000000
#define IOC_OUT	0x40000000
#define IOC_IN	0x80000000
#define IOC_INOUT	(IOC_IN|IOC_OUT)
#endif /* IOCPARM_MASK */

#ifndef _IO
#define _IO(x,y)	(IOC_VOID|((x)<<8)|(y))
#define _IOR(x,y,t)	(IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
#define _IOW(x,y,t)	(IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
#define _IOWR(x,y,t)    (IOC_INOUT|(((long)sizeof(t)&IOCPARM_MASK)<<16|(x<<8)|y))
#endif /* _IO */

// _IOC(x, y, t) is _IOC(type, nr, size)
#ifndef _IOC_READ
#define _IOC_READ  IOC_IN
#define _IOC_WRITE IOC_OUT
#endif /* _IOC_READ */

#ifndef _IOC_DIR
#define _IOC_DIR(t)  ((t) & (IOC_VOID|IOC_OUT|IOC_IN))
#define _IOC_TYPE(x) (((x) >> 8) & 0xff)
#define _IOC_NR(y)   ((y) & 0xff)
#define _IOC_SIZE(t) (((t) >> 16) & IOCPARM_MASK)
#endif /* _IOC_DIR */


#endif /* __CYGWIN_COMPAT_H__ */