ISO/IEC INTERNATIONAL STANDARD 13346-4 Second edition 1999-04-01 Information technology Volume and file structure of write-once and rewritable media using non-sequential recording for information interchange - Part 4: File structure Technologiesde'informationStructuredevolumeetdefichierde moyens d'écriture unique et de reécriture utilisant un enregistrement non séquentiel pour I'échange d'information- Partie 4: Structure de fichier TEC Reference number ISO/IEC 13346-4:1999(E) ISO/IEC 13346-4:1999(E) Contents 1 Scope 2 Parts references 3 Part interface. 3.1 Input 3.2 Output 4 Conformance.. 4.1 Conformance of a medium . 3 4.2 Conformance of an information processing system . 5 Definitions ... 5.1Extent 5.2 File set. 5.3 Group ID. 3 5.4 Logical block. 5.5 Logical volume.... 5.6 Partition 5.7Stream 5.8 User ID 3 6Notation 7 Basic types 7.1 Recorded address. 7.1.1 Logical Block Number (RBP 0). ?ISO/IEC1999 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher ISO/IEC Copyright Office · Case postale 56 · CH-1211 Geneve 20 · Switzerland Printed in Switzerland ISO/IEC 13346-4:1999(E) @ ISO/IEC 7.1.2 Partition Reference Number (RBP 4) 7.2 Descriptor Tag 7.2.1 Tag Identifier (RBP 0) 7.2.2 Descriptor Version (RBP 2).. 7.2.3 Tag Checksum (RBP 2 7.2.4 Reserved (RBP 5) 7.2.5 Tag Serial Number (RBP 6)... 7.2.6 Descriptor CRC (RBP 8) 7.2.7 Descriptor CRC Length (RBP 10). 7.2.8 Tag Location (RBP 12) 8Filestructure 8.1 Volume set. b 8.2 Arrangement of information on a volume set. 8.3 Arrangement of information on a logical volume.. 8.3.1 File Set Descriptor Sequence.. 8.4 Arrangement of information on a partition 8.5 File set 8.6 Directories. 8.6.1 Order of directory descriptors.. 8.6.2 Directory hierarchy size restrictions . 8.7 Pathname.. 8.7.1 Resolved pathname 8.8 Files .9 8.8.1 Attributes of a file 10 8.8.2 Data space of a file 8.8.3 Streams of a File.. 11 8.9 Record structure 8.10 Information Control Block (ICB) 8.10.1 ICB hierarchy . 12 9 Additional File Data 2 ili ISO/IEC 13346-4:1999(E) @ISO/IEC 9.1 Extended attributes .12 9.2 Stream Directory .14 10 Partition space management 14 10.1 Space sets. .14 11 Partition integrity . 15 12 Allocation descriptors. 12.1 Description of Files.. 13 Recording of descriptors 16 14 File Data Structures ...16 14.1 File Set Descriptor 16 14.1.1 Descriptor Tag (BP 0), 14.1.2 Recording Date and Time (BP 16)... 17 14.1.3 Interchange Level (BP 28) 14.1.4 Maximum Interchange Level (BP 30) 14.1.5 Character Set List (BP 32). 17 14.1.6 Maximum Character Set List (BP 36). 17 14.1.7 File Set Number (BP 40) 18 14.1.8 File Set Descriptor Number (BP 44) .. .18 14.1.9 Logical Volume Identifier Character Set (BP 48) .. 18 14.1.10 Logical Volume Identifier (BP 112). .18 14.1.11 File Set Character Set (BP 240) 14.1.12 File Set Identifier (BP 304) 18 14.1.13 Copyright File Identifier (BP 336).... ..18 14.1.14 Abstract File Identifier (BP 368) 18 14.1.15 Root Directory ICB (BP 400) 14.1.16 Domain Identifier (BP 416). ...19 14.1.17 Next Extent (BP 448). .19 14.1.18 System Stream Directory (BP 464). 19 14.1.19Reserved (BP 480) ... .19 14.2 Terminating Descriptoi 19 ISO/IEC 13346-4:1999(E) @ ISO/IEC 14.2.1 Descriptor Tag (BP 0). 19 14.2.2 Reserved (BP 16) . 14.3 Partition Header Descriptoi 19 14.3.1 Unallocated Space Table (RBP 0) .... ..20 14.3.2 Unallocated Space Bitmap (RBP 8) 20 14.3.3 Partition Integrity Table (RBP 16). .20 14.3.4 Freed Space Table (RBP 24)... 14.3.5 Freed Space Bitmap (RBP 32) 20 14.3.6 Reserved (RBP 40) ..20 14.4 File Identifier Descriptor .20 14.4.1 Descriptor Tag (RBP 0) 14.4.2 File Version Number (RBP 16).. 14.4.3 File Characteristics (RBP 18). 21 14.4.4 Length of File Identifier (=L_FI) (RBP 19). 22 14.4.5 ICB (RBP 20).. .22 14.4.6 Length of Implementation Use (=L_IU) (RBP 36). 22 14.4.7 Implementation Use