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6.2 UDF Entity Identifier Values Entity Identifier Byte Value "*<strong>OSTA</strong> UDF Compliant" #2A, #4F, #53, #54, #41, #20, #55, #44, #46, #20, #43, #6F, #6D, #70, #6C, #69, #61, #6E, #74 “*UDF LV Info” #2A, #55, #44, #46, #20, #4C, #56, #20, #49, #6E, #66, #6F "*UDF FreeEASpace" #2A, #55, #44, #46, #20, #46, #72, #65, #65, #45, #41, #53, #70, #61, #63, #65 "*UDF FreeAppEASpace" #2A, #55, #44, #46, #20, #46, #72, #65, #65, #41, #70, #70, #45, #41, #53, #70, #61, #63, #65 “*UDF DVD CGMS Info” #2A, #55, #44, #46, #20, #44, #56, #44, #20, #43, #47, #4D, #53, #20, #49, #6E, #66, #6F “*UDF OS/2 EALength” #2A, #55, #44, #46, #20, #4F, #53, #2F, #32, #20, #45, #41, #4C, #65, #6E, #67, #74, #68 “*UDF OS/400 DirInfo” #2A, #55, #44, #46, #20, #4F, #53, #2F, #34, #30, #30, #20, #44, #69, #72, #49, #6E, #66, #6F "*UDF Mac VolumeInfo" #2A, #55, #44, #46, #20, #4D, #61, #63, #20, #56, #6F, #6C, #75, #6D, #65, #49, #6E, #66, #6F "*UDF Mac FinderInfo" #2A, #55, #44, #46, #20, #4D, #61, #63, #20, #49, #69, #6E, #64, #65, #72, #49, #6E, #66, #6F “*UDF Virtual Partition” #2A, #55, #44, #46, #20, #56, #69, #72, #74, #75, #61, #6C, #20, #50, #61, #72, #74, #69, #74, #69, #6F, #6E “*UDF Sparable Partition” #2A, #55, #44, #46, #20, #53, #70, #61, #72, #61, #62, #6C, #65, #20, #50, #61, #72, #74, #69, #74, #69, #6F, #6E “*UDF Sparing Table” #2A, #55, #44, #46, #20, #53, #70, #61, #72, #69, #6E, #67, #20, #54, #61, #62, #6C, #65 “*UDF Metadata Partition” #2A, #55, #44, #46, #20, #4D, #65, #74, #61, #64, #61, #74, #61, #20, #50, #61, #72, #74, #69, #74, #69, #6F, #6E UDF 2.01 113 March50 April
6.3 Operating System Identifiers The following tables define the current allowable values for the OS Class and OS Identifier fields in the IdentifierSuffix of Entity Identifiers. The OS Class field will identify under which class of operating system the specified descriptor was recorded. The valid values for this field are as follows: Value Operating System Class 0 Undefined 1 DOS 2 OS/2 3 Macintosh OS 4 UNIX 5 Windows 9x 6 Windows NT 7 OS/400 8 BeOS 9 Windows CE 10-255 Reserved The OS Identifier field will identify under which operating system the specified descriptor was recorded. The valid values for this field are as follows: OS OS Operating System Identified Class Identifier 0 Any Value Undefined 1 0 DOS/Windows 3.x 2 0 OS/2 3 0 Macintosh OS 9 and older. 3 1 Macintosh OS X and later releases. 4 0 UNIX - Generic 4 1 UNIX - IBM AIX 4 2 UNIX - SUN OS / Solaris 4 3 UNIX - HP/UX 4 4 UNIX - Silicon Graphics Irix 4 5 UNIX - Linux 4 6 UNIX - MKLinux 4 7 UNIX - FreeBSD 5 0 Windows 9x – generic (includes Windows 98/ME) 6 0 Windows NT – generic (includes Windows 2000,XP,Server 2003, and later releases based on the same code base) 7 0 OS/400 UDF 2.01 114 March50 April
Page 1 and 2:
Universal Disk Format ® Specificat
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REVISION HISTORY 1.00 October 24, 1
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CONTENTS 1. INTRODUCTION ..........
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6.4 OSTA Compressed Unicode Algorit
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1. Introduction The OSTA Universal
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1.2 Compliance This document requir
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Media Block Address NOTE 1: This is
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1.3.3 Terms May Optional Shall Shou
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non-overlapping Partitions with 2 p
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2.1 Part 1 - General 2.1.1 Characte
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length of the field. The characters
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2.1.5.2 char Identifier[23] Unless
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The Suffix Type column in the above
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For an Application Entity Identifie
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2.2 Part 3 - Volume Structure 2.2.1
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NOTE: This field is used to determi
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2.2.4 Logical Volume Descriptor str
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2.2.5 Unallocated Space Descriptor
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EntityID. The scope of this EntityI
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2.2.7.2.2 dstring LogicalVolumeIden
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Layout of Type 2 partition map for
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• Bits 1-7: Reserved. Shall be se
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Virtual Allocation Table structure
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the offset and length of a partitio
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The Metadata Partition Map (see2.2.
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2.2.13.1 Metadata File (and Metadat
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2.2.13.4 Procedure for de-allocatin
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} struct EntityID byte byte Impleme
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2.3.2 File Set Descriptor struct Fi
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2.3.2.7 struct EntityID DomainIdent
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In order to assist a UDF implementa
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2.3.5.1 Uint16 StrategyType The co
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2.3.6 File Entry struct FileEntry {
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2.3.6.8 FileLinkCount Hard links to
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Descriptors should be used. For exa
Page 72 and 73: 2.3.11.2 Uint32 PreviousAllocationE
Page 74 and 75: 3.2 Part 3 - Volume Structure 3.2.1
Page 76 and 77: 3.3 Part 4 - File System 3.3.1 File
Page 78 and 79: 3.3.2.1.2 Macintosh Bits 6 & 7 (Set
Page 80 and 81: 3.3.3 File Entry struct FileEntry {
Page 82 and 83: would be considered writable if the
Page 84 and 85: 3.3.3.5 byte Extended Attributes Se
Page 86 and 87: ignored and the file creation time
Page 88 and 89: 3.3.4.5.1.1 FreeEASpace This extend
Page 90 and 91: MacVolumeInfo format RBP Length Nam
Page 92 and 93: UDFFXInfo format (Volume IV, page 1
Page 94 and 95: The ApplicationUse area for this ex
Page 96 and 97: stream directory. If present, there
Page 98 and 99: Since the streams listed above have
Page 100 and 101: Object Logical Block Number is the
Page 102 and 103: mechanism for the host software to
Page 104 and 105: Vendor ID - The Vendor ID reported
Page 106 and 107: The OS2EA Stream contains a table o
Page 108 and 109: 4.2.2 File Identifier Descriptor st
Page 110 and 111: Definitions: A FileIdentifier shall
Page 112 and 113: 3. Invalid Characters: A FileIdenti
Page 114 and 115: 4. Trailing Periods and Spaces: All
Page 116 and 117: If there is a file extension then t
Page 118 and 119: defined as space that is not direct
Page 120 and 121: UDF 2.01 111 March50 April
Page 124 and 125: 8 0 BeOS - generic 9 0 Windows CE -
Page 126 and 127: } } returnValue = unicodeIndex; } r
Page 128 and 129: } return crc; #ifdef MAIN unsigned
Page 130 and 131: 6.6 Algorithm for Strategy Type 409
Page 132 and 133: nameLen = udfNameLen; } else { /* A
Page 134 and 135: } needsCRC = TRUE; /* Append the CR
Page 136 and 137: if (index < udfLabelLen || index ==
Page 138 and 139: UDF 2.01 129 March50 April
Page 140 and 141: unicode_t *udfName, /* (Input) Name
Page 142 and 143: } #ifdef (OS2 | WIN_95 | WIN_NT) /*
Page 144 and 145: 6.8 Extended Attribute Checksum Alg
Page 146 and 147: • The data of each file shall be
Page 148 and 149: Read the File Identifier Descriptor
Page 150 and 151: • An intermediate state is allowe
Page 152 and 153: • The host shall perform read/mod
Page 154 and 155: 6.10.2.6.3 Level 3 No restrictions
Page 156 and 157: ISO 9660 converted to UDF 1 st sess
Page 158 and 159: For File Structure: 5. Unallocated
Page 160 and 161: 6.13 Recommendations for DVD+R and
Page 162 and 163: 6.13.1.4.2 Anchor Volume Descriptor
Page 164 and 165: 6.13.2.1 Requirements • The packe
Page 166 and 167: 6.126.15 UDF Media Format Revision
Page 168 and 169: Description DCN Updated in UDF Revi
Page 170 and 171: Registration Form Disk Format Speci
Page 172 and 173:
L Logical Block Size, 8, 9, 2425 Lo
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