/* * Binary input format handling for Dinero IV. * Written by Jan Edler * * Copyright (C) 1997 NEC Research Institute, Inc. and Mark D. Hill. * All rights reserved. * Copyright (C) 1985, 1989 Mark D. Hill.  All rights reserved. *  * Permission to use, copy, modify, and distribute this software and * its associated documentation for non-commercial purposes is hereby * granted (for commercial purposes see below), provided that the above * copyright notice appears in all copies, derivative works or modified * versions of the software and any portions thereof, and that both the * copyright notice and this permission notice appear in the documentation. * NEC Research Institute Inc. and Mark D. Hill shall be given a copy of * any such derivative work or modified version of the software and NEC * Research Institute Inc.  and any of its affiliated companies (collectively * referred to as NECI) and Mark D. Hill shall be granted permission to use, * copy, modify, and distribute the software for internal use and research. * The name of NEC Research Institute Inc. and its affiliated companies * shall not be used in advertising or publicity related to the distribution * of the software, without the prior written consent of NECI.  All copies, * derivative works, or modified versions of the software shall be exported * or reexported in accordance with applicable laws and regulations relating * to export control.  This software is experimental.  NECI and Mark D. Hill * make no representations regarding the suitability of this software for * any purpose and neither NECI nor Mark D. Hill will support the software. *  * Use of this software for commercial purposes is also possible, but only * if, in addition to the above requirements for non-commercial use, written * permission for such use is obtained by the commercial user from NECI or * Mark D. Hill prior to the fabrication and distribution of the software. *  * THE SOFTWARE IS PROVIDED AS IS.  NECI AND MARK D. HILL DO NOT MAKE * ANY WARRANTEES EITHER EXPRESS OR IMPLIED WITH REGARD TO THE SOFTWARE. * NECI AND MARK D. HILL ALSO DISCLAIM ANY WARRANTY THAT THE SOFTWARE IS * FREE OF INFRINGEMENT OF ANY INTELLECTUAL PROPERTY RIGHTS OF OTHERS. * NO OTHER LICENSE EXPRESS OR IMPLIED IS HEREBY GRANTED.  NECI AND MARK * D. HILL SHALL NOT BE LIABLE FOR ANY DAMAGES, INCLUDING GENERAL, SPECIAL, * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, ARISING OUT OF THE USE OR INABILITY * TO USE THE SOFTWARE. * * $Header: /home/edler/dinero/d4/RCS/binaryfmt.c,v 1.4 1997/12/08 19:35:24 edler Exp $ */#include <stddef.h>#include <limits.h>#include <stdio.h>#include <unistd.h>#include <string.h>#include <errno.h>#include "d4.h"#include "cmdd4.h"#include "tracein.h"/* * This format is pretty similar to the traditional Dinero "din" format, * but it supplies the size as well as address and access type, and * requires no conversion from ascii strings on input. * Each record is 8 bytes: a little-endian 4-byte-int, containing an address, * followed by a 2-byte little-endian size, a 1-byte access type, and a byte of padding. */#define RECORD_SIZE 8#if CHAR_BIT != 8#error "binary format code assumes 8 bit chars"#endifd4memreftracein_binary(){	static unsigned char inbuf[RECORD_SIZE*1024];	static int hiwater = 0;	static int inptr = 0;	d4memref r;	if (inptr > hiwater - RECORD_SIZE) {	/* need to fill inbuf */		int nread;		if (hiwater > inptr) {			memcpy (inbuf, &inbuf[inptr], hiwater-inptr);			inptr = hiwater - inptr;		}		else			inptr = 0;		nread = read (0, &inbuf[inptr], sizeof(inbuf) - inptr);		if (nread < 0)			die ("binary input error: %s\n", strerror (errno));		if (nread <= 0) {			r.accesstype = D4TRACE_END;			r.address = 0;			r.size = 0;			return r;		}		hiwater = inptr + nread;		inptr = 0;	}	r.address = (inbuf[inptr+0]<<(0*CHAR_BIT)) |		    (inbuf[inptr+1]<<(1*CHAR_BIT)) |		    (inbuf[inptr+2]<<(2*CHAR_BIT)) |		    (inbuf[inptr+3]<<(3*CHAR_BIT));	inptr += 4;	r.size = (inbuf[inptr+0]<<(0*CHAR_BIT)) |		 (inbuf[inptr+1]<<(1*CHAR_BIT));	inptr += 2;	r.accesstype = inbuf[inptr++];	inptr++;	/* skip padding */	return r;}