UDF 2.00 - OSTA - Optical Storage Technology Association

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6.7.2 OS/2, Macintosh,Windows 95, Windows NT and UNIX Algorithm /*********************************************************************** * OSTA UDF compliant file name translation routine for OS/2, * Windows 95, Windows NT, Macintosh and UNIX. * Copyright 1995 Micro Design International, Inc. * Written by Jason M. Rinn. * Micro Design International gives permission for the free use of the * following source code. */ /*********************************************************************** * To use these routines with different operating systems. * * OS/2 * Define OS2 * Define MAXLEN = 254 * * Windows 95 * Define WIN_95 * Define MAXLEN = 255 * * Windows NT * Define WIN_NT * Define MAXLEN = 255 * * Macintosh: * Define MAC. * Define MAXLEN = 31. * * UNIX * Define UNIX. * Define MAXLEN as specified by unix version. */ #define ILLEGAL_CHAR_MARK 0x005F #define CRC_MARK 0x0023 #define EXT_SIZE 5 #define TRUE 1 #define FALSE 0 #define PERIOD 0x002E #define SPACE 0x0020 /*********************************************************************** * The following two typedef's are to remove compiler dependancies. * byte needs to be unsigned 8-bit, and unicode_t needs to * be unsigned 16-bit. */ typedef unsigned int unicode_t; typedef unsigned char byte; /*** PROTOTYPES ***/ int IsIllegal(unicode_t ch); unsigned short unicode_cksum(register unsigned short *s, register int n); /* Define a function or macro which determines if a Unicode character is * printable under your implementation. */ int UnicodeIsPrint(unicode_t); /*********************************************************************** * Translates a long file name to one using a MAXLEN and an illegal * char set in accord with the OSTA requirements. Assumes the name has * already been translated to Unicode. * * RETURN VALUE UDF 2.00 April 3, 1998 103
* * Number of unicode characters in translated name. */ int UDFTransName( unicode_t *newName,/*(Output)Translated name. Must be of length MAXLEN*/ unicode_t *udfName, /* (Input) Name from UDF volume.*/ int udfLen, /* (Input) Length of UDF Name. */ { int index, newIndex = 0, needsCRC = FALSE; int extIndex, newExtIndex = 0, hasExt = FALSE; #ifdef (OS2 | WIN_95 | WIN_NT) int trailIndex = 0; #endif unsigned short valueCRC; unicode_t current; const char hexChar[] = "0123456789ABCDEF"; for (index = 0; index < udfLen; index++) { current = udfName[index]; if (IsIllegal(current) || !UnicodeIsPrint(current)) { needsCRC = TRUE; /* Replace Illegal and non-displayable chars with underscore. */ current = ILLEGAL_CHAR_MARK; /* Skip any other illegal or non-displayable characters. */ while(index+1 < udfLen && (IsIllegal(udfName[index+1]) || !UnicodeIsPrint(udfName[index+1]))) { index++; } } /* Record position of extension, if one is found. */ if (current == PERIOD && (udfLen - index -1)
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OSTA Universal Disk Format Specific
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Revision History: 1.00 October 24,
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3. SYSTEM DEPENDENT REQUIREMENTS...
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1.1 Document Layout This document p
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ISO/IEC 10149:1993 Orange Book part
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Variable Packet Virtual Address vir
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Logical Volume Descriptor WORM. The
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The value of the OSTA Compressed Un
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2.1.5 Entity Identifier struct Enti
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implementation wrote a bad structur
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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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implementations shall maintain this
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2.2.7.2.5 bytes ImplementationUse[1
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Layout of Type 2 partition map for
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Virtual Allocation Table structure
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Available sparing areas may be anyw
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2.3 Part 4 - File System 2.3.1 Desc
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The next FileSet could represent an
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2.3.4 File Identifier Descriptor st
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2.3.5 ICB Tag struct icbtag { /* EC
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2.3.6 File Entry struct FileEntry {
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2.3.7 Unallocated Space Entry struc
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NOTE: There is a benefit of using L
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3. System Dependent Requirements 3.
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3.3 Part 4 - File System 3.3.1 File
Page 59 and 60: 3.3.2.1.2 Macintosh Bits 6 & 7 (Set
Page 61 and 62: ? For operating systems that do not
Page 63 and 64: Attribute directory The directory
Page 65 and 66: 3.3.4.3 File Times Extended Attribu
Page 67 and 68: field is used to aid in disaster re
Page 69 and 70: The value recorded in the OS2Extend
Page 71 and 72: UDFDInfo format (Volume IV, page 10
Page 73 and 74: The ApplicationUse area for this ex
Page 75 and 76: SETUID and SETGID bits of the ICB T
Page 77 and 78: 3.3.7 UDF Defined System Streams Th
Page 79 and 80: Parent Partition Reference Number i
Page 81 and 82: The stream shall be formatted as fo
Page 83 and 84: Drive Unique Area - Optional area f
Page 85 and 86: 4. User Interface Requirements 4.1
Page 87 and 88: y all OSTA UDF compliant implementa
Page 89 and 90: 8. Long Filename: In the event that
Page 91 and 92: CS0 FileIdentifier, followed by '.'
Page 93 and 94: Followed by the separator '#' (#002
Page 95 and 96: 5.3 Boot Descriptor Please refer to
Page 97 and 98: 6.2 UDF Entity Identifier Values En
Page 99 and 100: NOTE: If you wish to add to this li
Page 101 and 102: } { /*Then the next byte to the low
Page 103 and 104: * Take high order byte first--corre
Page 105 and 106: 6.6 Algorithm for Strategy Type 409
Page 107 and 108: unsigned short valueCRC; unicode_t
Page 109: { } dosName[dosIndex++] = PERIOD; f
Page 113 and 114: newName[newIndex++] = hexChar[(valu
Page 115 and 116: 6.8 Extended Attribute Checksum Alg
Page 117 and 118: • The data of each file shall be
Page 119 and 120: Read the File Identifier Descriptor
Page 121 and 122: • An intermediate state is allowe
Page 123 and 124: • The host shall perform read/mod
Page 125 and 126: 6.10.2.6.3 Level 3 No restrictions
Page 127 and 128: ISO 9660 converted to UDF 1 st sess
Page 129 and 130: 6.12 Developer Registration Form An
Page 131 and 132: A Access Control Lists, 77 ACL, 77
Page 133 and 134: OSTA Universal Disk Format Specific
Page 135 and 136: } /*Move the first byte to the high
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Page 139 and 140: } else { if (current == SPACE) /* I
Page 141 and 142: * RETURN VALUE * * Non-zero if file
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Page 145 and 146: maxFilenameLen = ((MAXLEN - 5) - lo
Page 147: UDF Specification v2.00 - A specifi
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UDF 2.00 - OSTA - Optical Storage Technology Association

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