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/*
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 * Copyright (c) 2002-2006 The TenDRA Project <http://www.tendra.org/>.
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are met:
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 *
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 * 1. Redistributions of source code must retain the above copyright notice,
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 *    this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
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 *    this list of conditions and the following disclaimer in the documentation
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 *    and/or other materials provided with the distribution.
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 * 3. Neither the name of The TenDRA Project nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific, prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
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 * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 * EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *
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 * $Id$
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 */
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/*
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    		 Crown Copyright (c) 1997
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    This TenDRA(r) Computer Program is subject to Copyright
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    owned by the United Kingdom Secretary of State for Defence
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    acting through the Defence Evaluation and Research Agency
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    (DERA).  It is made available to Recipients with a
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    royalty-free licence for its use, reproduction, transfer
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    to other parties and amendment for any purpose not excluding
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    product development provided that any such use et cetera
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    shall be deemed to be acceptance of the following conditions:-
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        (1) Its Recipients shall ensure that this Notice is
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        reproduced upon any copies or amended versions of it;
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        (2) Any amended version of it shall be clearly marked to
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        show both the nature of and the organisation responsible
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        for the relevant amendment or amendments;
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        (3) Its onward transfer from a recipient to another
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        party shall be deemed to be that party's acceptance of
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        these conditions;
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        (4) DERA gives no warranty or assurance as to its
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        quality or suitability for any purpose and DERA accepts
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        no liability whatsoever in relation to any use to which
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        it may be put.
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*/
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/**** bostream.c --- Binary output stream handling.
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 *
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 ** Author: Steve Folkes <smf@hermes.mod.uk>
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 *
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 **** Commentary:
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 *
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 * This file implements the binary output stream facility specified in the
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 * file "bostream.h".  See that file for more details.
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 *
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 **** Change Log:
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 * $Log: bostream.c,v $
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 * Revision 1.1.1.1  1998/01/17  15:57:17  release
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 * First version to be checked into rolling release.
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 *
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 * Revision 1.2  1994/12/12  11:45:21  smf
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 * Performing changes for 'CR94_178.sid+tld-update' - bringing in line with
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 * OSSG C Coding Standards.
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 *
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 * Revision 1.1.1.1  1994/07/25  16:06:14  smf
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 * Initial import of os-interface shared files.
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 *
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**/
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/****************************************************************************/
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#include "bostream.h"
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#include "cstring.h"
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/*--------------------------------------------------------------------------*/
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ExceptionP XX_bostream_write_error = EXCEPTION("error writing to binary stream");
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/*--------------------------------------------------------------------------*/
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void
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bostream_init(BOStreamP bostream)
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{
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    bostream->name = NIL(CStringP);
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}
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BoolT
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bostream_open(BOStreamP bostream,		       CStringP  name)
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{
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#ifdef FS_BINARY_STDIO
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    if ((bostream->file = fopen(name, "wb")) == NIL(FILE *)) {
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	return(FALSE);
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    }
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#else
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    if ((bostream->file = fopen(name, "w")) == NIL(FILE *)) {
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	return(FALSE);
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    }
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#endif /* defined (FS_BINARY_STDIO) */
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    bostream->name  = name;
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    return(TRUE);
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}
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void
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bostream_assign(BOStreamP to,			 BOStreamP from)
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{
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    to->file  = from->file;
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    to->name  = from->name;
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}
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BoolT
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bostream_is_open(BOStreamP bostream)
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{
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    return(bostream->name != NIL(CStringP));
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}
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void
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bostream_write_chars(BOStreamP bostream,			      unsigned  length ,
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			      CStringP  chars)
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{
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    unsigned bytes_read = (unsigned)fwrite((GenericP)chars, sizeof(char),
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					    (SizeT)length, bostream->file);
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    if ((bytes_read != length) && (ferror(bostream->file))) {
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	CStringP name = cstring_duplicate(bostream->name);
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	THROW_VALUE(XX_bostream_write_error, name);
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	UNREACHED;
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    }
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}
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void
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bostream_write_bytes(BOStreamP bostream,			      unsigned  length ,
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			      ByteP     bytes)
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{
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    unsigned bytes_read = (unsigned)fwrite((GenericP)bytes, sizeof(ByteT),
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					    (SizeT)length, bostream->file);
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    if ((bytes_read != length) && (ferror(bostream->file))) {
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	CStringP name = cstring_duplicate(bostream->name);
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	THROW_VALUE(XX_bostream_write_error, name);
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	UNREACHED;
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    }
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}
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void
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bostream_write_byte(BOStreamP bostream,			     ByteT     byte)
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{
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    if ((fputc((int)byte, bostream->file) == EOF) &&
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	(ferror(bostream->file))) {
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	CStringP name = cstring_duplicate(bostream->name);
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	THROW_VALUE(XX_bostream_write_error, name);
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	UNREACHED;
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    }
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}
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CStringP
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bostream_name(BOStreamP bostream)
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{
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    return(bostream->name);
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}
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void
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bostream_close(BOStreamP bostream)
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{
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    if (fclose(bostream->file)) {
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	CStringP name = cstring_duplicate(bostream->name);
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	THROW_VALUE(XX_bostream_write_error, name);
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	UNREACHED;
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    }
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    bostream_init(bostream);
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}