295 lines
6.1 KiB
Plaintext
295 lines
6.1 KiB
Plaintext
/*
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Copyright (C) 2005, 2008 Rocky Bernstein <rocky@gnu.org>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* Yacc grammer for cdrdao TOC file */
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%{
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#include "toclexer.h"
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#include "errno.h"
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FILE *toc_in;
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int tocerror (char const *s);
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#ifdef STANDALONE
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#include <getopt.h>
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#define YYDEBUG 1
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#endif
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%}
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/* BISON Declarations */
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%token ARRANGER
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%token AUDIO
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%token AUDIOFILE
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%token CATALOG
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%token CD_DA
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%token CD_I
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%token CD_ROM
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%token CD_ROM_XA
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%token CD_TEXT
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%token COMPOSER
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%token COPY
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%token DATAFILE
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%token DISC_ID
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%token EN
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%token END
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%token FIFO
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%token FILE_TOKEN
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%token FOUR_CHANNEL_AUDIO
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%token GENRE
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%token INDEX
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%token ISRC
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%token LANGUAGE
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%token LANGUAGE_MAP
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%token MESSAGE
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%token MODE0
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%token MODE1
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%token MODE1_RAW
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%token MODE2
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%token MODE2_FORM1
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%token MODE2_FORM2
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%token MODE2_FORM_MIX
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%token MODE2_RAW
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%token NO
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%token PERFORMER
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%token PREGAP
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%token PRE_EMPHASIS
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%token RESERVED1
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%token RESERVED2
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%token RESERVED3
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%token RESERVED4
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%token RW
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%token RW_RAW
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%token SILENCE
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%token SIZE_INFO
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%token SONGWRITER
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%token START
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%token SWAP
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%token TITLE
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%token TOC_INFO1
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%token TOC_INFO2
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%token TRACK
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%token TWO_CHANNEL_AUDIO
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%token UPC_EAN
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%token ZERO
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%token LeftBrace /* "{" */
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%token RightBrace /* "}" */
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%token Colon /* ":" */
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%token Error /* Error token return */
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%token Id /* Id but not one of the above keywords */
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%token Integer
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%token String
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%union {
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long unsigned int val; /* For returning numbers. */
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symrec *tptr; /* For returning symbol-table pointers. */
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}
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/* Grammar follows */
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%%
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/* We optionally allow spaces at the end of the TOC file.
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*/
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toc: catalog_or_tocType cdTextGlobal tracks ;
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catalog_or_tocType: catalog_or_tocType CATALOG String
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| catalog_or_tocType tocType
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| /* empty */ ;
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tracks: tracks track | track ;
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track: TRACK trackMode opt_subChannelMode opt_track_flags
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cdTextTrack opt_pregap_msf subTracks_or_starts_or_ends opt_index_msfs
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;
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opt_track_flags: opt_track_flags track_flag
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| /* empty */;
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track_flag: ISRC String
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| opt_no COPY
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| opt_no PRE_EMPHASIS
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| TWO_CHANNEL_AUDIO
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| FOUR_CHANNEL_AUDIO ;
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opt_no: NO
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| /* empty */;
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opt_pregap_msf: PREGAP msf
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| /* empty */;
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opt_index_msfs: opt_index_msfs INDEX msf
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| /* empty */ ;
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subTrack_or_start_or_end: subTrack
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| START opt_msf
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| END opt_msf ;
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subTracks_or_starts_or_ends: subTracks_or_starts_or_ends
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subTrack_or_start_or_end
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| subTrack_or_start_or_end ;
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subTrack:
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AudioFile String opt_swap opt_start_offset samples
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| DATAFILE String opt_start_length
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| FIFO String dataLength
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| SILENCE samples
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| ZERO opt_dataMode opt_subChannelMode dataLength
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;
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AudioFile: AUDIOFILE | FILE_TOKEN ;
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opt_swap: SWAP
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| /* empty */;
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opt_start_offset: "#" sLong
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| /* empty */;
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opt_start_length: "#" sLong
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| '#' sLong dataLength
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| /* empty */;
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opt_dataMode: dataMode
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| /* empty */ ;
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opt_string: String
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| /* empty */ ;
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uLong: Integer ;
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sLong: Integer ;
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msf: Integer Colon Integer Colon Integer ;
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opt_msf: msf | /* empty */ ;
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samples: msf | uLong ;
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dataLength: msf | uLong ;
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dataMode: AUDIO | MODE0 | MODE1 | MODE1_RAW | MODE2
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| MODE2_RAW | MODE2_FORM1 | MODE2_FORM2 | MODE2_FORM_MIX
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;
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trackMode: AUDIO | MODE1 | MODE1_RAW | MODE2
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| MODE2_RAW | MODE2_FORM1 | MODE2_FORM2 | MODE2_FORM_MIX
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;
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opt_subChannelMode: RW | RW_RAW
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| /* empty */;
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tocType: CD_DA | CD_ROM | CD_ROM_XA | CD_I ;
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packType: TITLE | PERFORMER | SONGWRITER | COMPOSER | ARRANGER
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| MESSAGE | DISC_ID | GENRE | TOC_INFO1 | TOC_INFO2
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| RESERVED1 | RESERVED2 | RESERVED3 | RESERVED4 | UPC_EAN
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| ISRC | SIZE_INFO ;
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binaryData: LeftBrace Integers RightBrace ;
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Integers: Integers "," Integer | Integer ;
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cdTextItem: packType opt_string_or_binaryData | ;
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opt_string_or_binaryData: opt_string | binaryData ;
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cdTextBlock: LANGUAGE Integer LeftBrace cdTextItem RightBrace ;
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opt_cdTextBlock: cdTextBlock
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| /* empty */;
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opt_cdTextBlocks: opt_cdTextBlocks cdTextBlock
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| /* empty */ ;
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opt_cdTextLanguageMap : LANGUAGE_MAP LeftBrace Language_mappings RightBrace
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| /* empty */;
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Language_mappings: Language_mappings Language_mapping | Language_mapping ;
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Language_mapping: Integer ":" Language_id ;
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Language_id: Integer | EN;
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cdTextTrack: CD_TEXT LeftBrace opt_cdTextBlocks RightBrace | ;
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cdTextGlobal: CD_TEXT LeftBrace opt_cdTextLanguageMap opt_cdTextBlock
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RightBrace
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| /* empty */;
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%%
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#ifdef STANDALONE
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/* The controlling function */
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int
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tocerror(char const *s) /* called by tocparse on error */
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{
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printf("%s\n",s);
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return(0);
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}
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int
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main( int argc, char **argv )
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{
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int c;
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tocdebug = 0;
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while (1) {
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int option_index = 0;
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static struct option long_options[] = {
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{"debug", 0, 0, 'd'},
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{0, 0, 0, 0}
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};
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c = getopt_long (argc, argv, "d", long_options, &option_index);
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if (c == -1)
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break;
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switch (c) {
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case 'd':
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tocdebug = 1;
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break;
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default:
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printf ("?? getopt returned character code 0%o ??\n", c);
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exit(1);
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}
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}
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if ( optind < argc ) {
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toc_in = fopen( argv[optind], "r" );
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if (!toc_in) {
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printf("unable to open %s for reading: %s\n", argv[optind],
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strerror(errno));
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exit(1);
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}
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} else
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toc_in = stdin;
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if (tocparse()==0) {
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printf("Is a TOC file\n");
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} else {
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printf("Isn't a TOC file\n");
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}
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exit(0);
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}
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#endif /* STANDALONE*/
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