UDF 2.00 - OSTA - Optical Storage Technology Association

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{ } #endif trailIndex = newIndex; } if (newIndex < MAXLEN) { newName[newIndex++] = current; } else { needsCRC = TRUE; } #ifdef (OS2 | WIN_95 | WIN_NT) /* For OS2, 95 & NT, truncate any trailing periods and\or spaces. */ if (trailIndex != newIndex - 1) { newIndex = trailIndex + 1; needsCRC = TRUE; hasExt = FALSE; /* Trailing period does not make an extension. */ } #endif if (needsCRC) { unicode_t ext[EXT_SIZE]; int localExtIndex = 0; if (hasExt) { int maxFilenameLen; /* Translate extension, and store it in ext. */ for(index = 0; index
maxFilenameLen = ((MAXLEN - 5) - localExtIndex - 1); if (newIndex > maxFilenameLen) { newIndex = maxFilenameLen; } else { newIndex = newExtIndex; } } else if (newIndex > MAXLEN - 5) { /*If no extension, make sure to leave room for CRC. */ newIndex = MAXLEN - 5; } newName[newIndex++] = CRC_MARK; /* Add mark for CRC. */ /*Calculate CRC from original filename from FileIdentifier. */ valueCRC = unicode_cksum(udfName, udfLen); /* Convert 16-bits of CRC to hex characters. */ newName[newIndex++] = hexChar[(valueCRC & 0xf000) >> 12]; newName[newIndex++] = hexChar[(valueCRC & 0x0f00) >> 8]; newName[newIndex++] = hexChar[(valueCRC & 0x00f0) >> 4]; newName[newIndex++] = hexChar[(valueCRC & 0x000f)]; } /* Place a translated extension at end, if found. */ if (hasExt) { newName[newIndex++] = PERIOD; for (index = 0;index < localExtIndex ;index++ ) { newName[newIndex++] = ext[index]; } } } return(newIndex); #ifdef (OS2 | WIN_95 | WIN_NT) /*********************************************************************** * Decides if a Unicode character matches one of a list * of ASCII characters. * Used by OS2 version of IsIllegal for readability, since all of the * illegal characters above 0x0020 are in the ASCII subset of Unicode. * Works very similarly to the standard C function strchr(). * * RETURN VALUE * * Non-zero if the Unicode character is in the given ASCII string. */ int UnicodeInString( unsigned char *string, /* (Input) String to search through. */ unicode_t ch) /* (Input) Unicode char to search for. */ { int found = FALSE; while (*string != '\0' && found == FALSE) { /* These types should compare, since both are unsigned numbers. */ if (*string == ch)
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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
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3.3.2.1.2 Macintosh Bits 6 & 7 (Set
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? For operating systems that do not
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Attribute directory The directory
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3.3.4.3 File Times Extended Attribu
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field is used to aid in disaster re
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The value recorded in the OS2Extend
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UDFDInfo format (Volume IV, page 10
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The ApplicationUse area for this ex
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SETUID and SETGID bits of the ICB T
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3.3.7 UDF Defined System Streams Th
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Parent Partition Reference Number i
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The stream shall be formatted as fo
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Drive Unique Area - Optional area f
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4. User Interface Requirements 4.1
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y all OSTA UDF compliant implementa
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8. Long Filename: In the event that
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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 and 110: { } dosName[dosIndex++] = PERIOD; f
Page 111 and 112: * * Number of unicode characters in
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
Page 137 and 138: ***********************************
Page 139 and 140: } else { if (current == SPACE) /* I
Page 141 and 142: * RETURN VALUE * * Non-zero if file
Page 143: ***********************************
Page 147: UDF Specification v2.00 - A specifi
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