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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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#include "config.h"
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#include "release.h"
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#include "types.h"
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#include "ascii.h"
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#include "basic.h"
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#include "file.h"
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#include "capsule.h"
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#include "pretty.h"
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#include "sort.h"
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#include "tdf.h"
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#include "tree.h"
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#include "unit.h"
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#include "utility.h"
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/*
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    CURRENT VERSION
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*/
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#define version_string		"Version: 1.5"
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/*
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    MAIN ROUTINE
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*/
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int main
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    PROTO_N ( ( argc, argv ) )
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    PROTO_T ( int argc X char **argv )
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{
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    char c ;
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    int input, output ;
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    int a, b, stage = 1 ;
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    /* Read the arguments */
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    for ( a = 1 ; a < argc ; a++ ) {
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	if ( argv [a][0] == '-' ) {
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	    b = 1 ;
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	    if ( argv [a][1] == 'n' ) {
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		maxcol = 0 ;
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		while ( c = argv [a][ ++b ], is_digit ( c ) ) {
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		    maxcol = 10 * maxcol + digit ( c ) ;
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		}
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	    } else {
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		while ( c = argv [a][ b++ ], c != 0 ) {
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		    switch ( c ) {
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			case 'd' : dflag = 0 ; break ;
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			case 'g' : diagnostics = 1 ; break ;
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			case 'h' : helpflag = 0 ; break ;
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			case 'i' : /* Compatibility */ break ;
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			case 'p' : progress = 1 ; break ;
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			case 'q' : quickflag = 1 ; break ;
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			case 'r' : recover = 1 ; break ;
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			case 'x' : versions = 0 ; break ;
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			case 'A' : {
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			    diagnostics = 1 ;
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			    show_usage = 1 ;
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			    versions = 1 ;
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			    break ;
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			}
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			case 'D' : dump = 1 ; break ;
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			case 'E' : show_stuff = 1 ; break ;
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			case 'S' : skip_pass = 0 ; break ;
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			case 'T' : show_skip = 1 ; break ;
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			case 'U' : show_usage = 1 ; break ;
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			case 'V' : dumb_mode = 1 ; break ;
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			case 'W' : warn_undeclared = 1 ; break ;
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			case 'v' : {
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			    /* Version number */
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			    IGNORE fprintf ( stderr, "%s: %s",
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					     progname, version_string ) ;
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			    IGNORE fprintf ( stderr, " (TDF %d.%d)",
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					     version_major, version_minor ) ;
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			    IGNORE fprintf ( stderr, " (release %s)\n",
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					     RELEASE ) ;
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			    break ;
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			}
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		    }
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		}
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	    }
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	} else {
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	    /* Handle files */
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	    switch ( stage ) {
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		case 1  : input = a ; stage = 2 ; break ;
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		case 2  : output = a ; stage = 3 ; break ;
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		default : stage = 4 ; break ;
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	    }
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	}
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    }
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    /* Open the files */
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    switch ( stage ) {
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	case 1 : {
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	    fatal_error ( "Not enough arguments" ) ;
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	    break ;
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	}
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	case 2 : {
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	    SET ( input ) ;
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	    open_files ( argv [ input ], ( char * ) null ) ;
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	    break ;
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	}
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	case 3 : {
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	    SET ( input ) ;
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	    SET ( output ) ;
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	    open_files ( argv [ input ], argv [ output ] ) ;
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	    break ;
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	}
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	default : {
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	    fatal_error ( "Too many arguments" ) ;
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	    break ;
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	}
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    }
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    /* Perform binary dump if required */
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    if ( dump ) {
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	long f ;
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	int bits = 0, n = 1 ;
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	while ( f = fetch ( 1 ), !read_error ) {
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	    if ( n == 1 ) IGNORE fprintf ( pp_file, "%d :\t", bits / 8 ) ;
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	    IGNORE fputc ( ( f ? '1' : '0' ), pp_file ) ;
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	    if ( n == 64 ) {
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		IGNORE fputc ( '\n', pp_file ) ;
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		n = 1 ;
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	    } else {
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		if ( n % 8 == 0 ) IGNORE fputc ( ' ', pp_file ) ;
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		n++ ;
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	    }
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	    bits++ ;
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	}
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	if ( n != 1 ) IGNORE fputc ( '\n', pp_file ) ;
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	exit ( 0 ) ;
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    }
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    /* Call the main routines */
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    if ( diagnostics || show_usage ) do_foreign_sorts = 1 ;
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    init_foreign_sorts () ;
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    initialize_tree () ;
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    de_capsule () ;
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    pretty_tree () ;
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    return ( exit_status ) ;
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}