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/*
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 * Copyright (c) 2002-2005 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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/*
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    		 Crown Copyright (c) 1997
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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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    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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    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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    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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    (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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    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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    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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    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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    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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        (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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        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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        (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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        show both the nature of and the organisation responsible
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        for the relevant amendment or amendments;
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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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        (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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        party shall be deemed to be that party's acceptance of
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        these conditions;
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        these conditions;
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        (4) DERA gives no warranty or assurance as to its
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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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        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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        no liability whatsoever in relation to any use to which
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        it may be put.
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        it may be put.
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*/
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*/
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#ifndef ENVIRON_INCLUDED
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#ifndef ENVIRON_INCLUDED
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#define ENVIRON_INCLUDED
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#define ENVIRON_INCLUDED
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#include "utility.h"
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/*
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/*
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    PROCEDURE DECLARATIONS
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 * PROCEDURE DECLARATIONS
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 *
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    These routines are concerned with reading tcc environments.
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 * These routines are concerned with reading tcc environments.
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*/
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 */
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extern void	dump_env(void);
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extern void read_env PROTO_S ( ( char * ) ) ;
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extern void	read_env(char *);
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extern int read_env_aux PROTO_S ( ( char * ) ) ;
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extern int	read_env_aux(char *, hashtable *);
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extern char	*dereference_var(char *, char*, hashtable *, char *, int);
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extern void find_envpath PROTO_S ( ( void ) ) ;
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extern void	find_envpath(void);
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extern void	reconcile_envopts(void);
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extern void show_envpath PROTO_S ( ( void ) ) ;
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extern void	show_envpath(void);
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#define TCC_TBLSIZE 119
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#define TCC_KEYSIZE  27
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hashtable *environ_hashtable;	/* global set of env keys/values */
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int environ_count;		/* how many -Y env loads are attempted */
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/*
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 * CHARACTER TYPES
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 *
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 * These macros identify various character types.
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 */
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#define is_alphanum(X)		(((X) >= 'A' && (X) <= 'Z') ||\
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				 ((X) >= '0' && (X) <= '9') ||\
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				 ((X) == '_'))
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#define is_whitespace(X)	((X) == ' ' || (X) == '\t')
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#define is_quote(X)		((X) == '"')
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#define is_newline(X)		((X) == '\n')
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/*
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 * Use variable substitution for each env line read in.
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 */
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#define ENVIRONSUB
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#endif
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#endif