iso9660.zip_ISO 9660 _ISO 文件_iso9660

/* File: BuildISO.c Description:Try to build a ISO 9660 floppy disc, interactively. Currently only builds the Primary Volume Descriptor and puts files at the root level. Does not do subdirectories. Author: BB Copyright: Copyright: � 1988-1999 by Apple Computer, Inc. all rights reserved. Disclaimer: You may incorporate this sample code into your applications without restriction, though the sample code has been provided "AS IS" and the responsibility for its operation is 100% yours. However, what you are not permitted to do is to redistribute the source as "DSC Sample Code" after having made changes. If you're going to re-distribute the source, we require that you make it clear in the source that the code was descended from Apple Sample Code, but that you've made changes. Change History (most recent first): 6/24/99 Updated for Metrowerks Codewarror Pro 2.1(KG) 1/94 Converted to Universal Headers. Fixed a bug which prevented Apple extensions from working correctly. 5/90 Modified for d e v e l o p and Think C 4.0 7/1/88 Original Version for the Macintosh(BB) */ #include <stdio.h> #include <ctype.h> #include <string.h> #include <Files.h> #include <OSUtils.h> #include <Memory.h> #include <Errors.h> #include <strings.h> #include <Devices.h> #include <MacMemory.h> #include "HighSierra.h" #include "BuildISO.h" #define FLOPPY_SIZE 0x186 /* size in 2k blocks of a 800k floppy */ #include "ErrorMsg.h" #include "i_o.h" #include "Support.h" #include "MyDialog.h" Str255 nullStr = "\p"; Str255 rootName = "\p\000"; Str255 parentName = "\p\001"; /************************************************************************ * * Function: CreatePVD * * Purpose: create the contents of the Primary Volume Descriptor. * * Returns: void * * Side Effects: adds to the output file. * * Description: go through all the primary volume descriptor, showing * each field in all it's glory. We don't bother showing * the extra blanks at the end of each string field. * * ************************************************************************/ OSErr CreatePVD(short referenceNumber) { PVD p; OSErr result; long offset; char volID[33]; Boolean goOn; ClearOut((char *)&p, sizeof(p)); p.VDType = 1; p.VSStdId[0] = 'C'; p.VSStdId[1] = 'D'; p.VSStdId[2] = '0'; p.VSStdId[3] = '0'; p.VSStdId[4] = '1'; p.VSStdVersion = 1; CharCopy(p.systemIdentifier, "Apple Computer, Inc., Type:0001", sizeof(p.systemIdentifier)); goOn = AskForString((char *)"\pWhat do you want to call this volume? (32 characters or less)", volID); if (goOn == false) return -1; NormalizeVolumeName(volID); CharCopy(p.volumeIdentifier, volID, sizeof(p.volumeIdentifier)); p.lsbVolumeSpaceSize = NormalizeLong((long)FLOPPY_SIZE); p.msbVolumeSpaceSize = (long)FLOPPY_SIZE; p.lsbVolumeSetSize = NormalizeWord(FLOPPY_SIZE); p.msbVolumeSetSize = FLOPPY_SIZE; p.lsbVolumeSetSequenceNumber = NormalizeWord(1); p.msbVolumeSetSequenceNumber = 1; p.lsbLogicalBlockSize = NormalizeWord(CDBLKSIZE); p.msbLogicalBlockSize = CDBLKSIZE; p.lsbPathTableSize = NormalizeLong(PATHTBLSIZE); p.msbPathTableSize = PATHTBLSIZE; p.lsbPathTable1 = NormalizeLong(LSBPATH); p.msbPathTable1 = MSBPATH; p.lsbPathTable2 = 0L; p.msbPathTable2 = 0L; /* Exercise for reader: get the time via GetTime() and convert ** to string of the format shown below for these strange dates. ** Use that date and time to fill the various volume date fields. ** The date shown is my daughter's birth date and time... */ CharCopy(p.volumeCreation, "19870914060100000", sizeof(p.volumeCreation)); CharCopy(p.volumeModification, "19870914060100000", sizeof(p.volumeModification)); CharCopy(p.volumeExpiration, "00000000000000000", sizeof(p.volumeExpiration)); CharCopy(p.volumeEffective, "19870914060100000", sizeof(p.volumeEffective)); p.FileStructureStandardVersion = 1; SpaceOut(p.volumeSetIdentifier, sizeof(p.volumeSetIdentifier)); SpaceOut(p.publisherIdentifier, sizeof(p.publisherIdentifier)); SpaceOut(p.dataPreparerIdentifier, sizeof(p.dataPreparerIdentifier)); SpaceOut(p.applicationIdentifier, sizeof(p.applicationIdentifier)); SpaceOut(p.copyrightFileIdentifier, sizeof(p.copyrightFileIdentifier)); SpaceOut(p.abstractFileIdentifier, sizeof(p.abstractFileIdentifier)); SpaceOut(p.bibliographicFileIdentifier, sizeof(p.bibliographicFileIdentifier)); CreateDirRcd((DirRcd *)&p.rootDirectoryRecord, rootName, DIRECTORY, CDBLKSIZE, (short) directoryBit, 0L, 0L, 0); p.Reserved1 = 0; ClearOut(p.Reserved2, sizeof(p.Reserved2)); ClearOut(p.Reserved3, sizeof(p.Reserved3)); p.Reserved4 = 0; #ifdef VERBOSE /* if I want to verify what I've done */ DumpPVD(&p); #endif offset = (long) HSVOLSTART * (long) CDBLKSIZE; result = isoWrite(referenceNumber, (Ptr)&p, (long) sizeof(p), (long)offset); if (result != noErr) ErrorMsg("CreatePVD: isoWrite() returned %d", result); else ErrorMsg("volume descriptors successfully created."); return result; } /************************************************************************ * * Function: CreateVDT * * Purpose: create the contents of the Volume Descriptor Terminator * * Returns: void * * Side Effects: adds to the output file. * * Description: Build a simple VDT, fill it in, and write it out to * a famous place. * * ************************************************************************/ OSErr CreateVDT(short referenceNumber) { PVD p; OSErr result; long offset; ClearOut((char *)&p, sizeof(p)); p.VDType = 255; p.VSStdId[0] = 'C'; p.VSStdId[1] = 'D'; p.VSStdId[2] = '0'; p.VSStdId[3] = '0'; p.VSStdId[4] = '1'; p.VSStdVersion = 1; offset = (long) HSTERMSTART * (long) CDBLKSIZE; result = isoWrite(referenceNumber, (Ptr)&p, (long) sizeof(p), (long)offset); if (result != noErr) ErrorMsg("CreateVDT: isoWrite() returned %d", result); return result; } /************************************************************************ * * Function: CreatePathTable * * Purpose: create path tables * * Returns: nothing * * Side Effects: writes lsb path table and msb path table * * Description: We'll assume just the root. Dump out the path * path table in both formats. We'll put the * path table in famous spots. * ************************************************************************/ OSErr CreatePathTable(short referenceNumber) { char buffer[CDBLKSIZE]; PathTableRecordPtr d; long offset; OSErr result; ClearOut(buffer, sizeof(buffer)); d = (PathTableRecordPtr) &buffer[0]; d->len_di = 1; d->XARlength = 0; d->dirLocation = NormalizeLong(DIRECTORY); d->parentDN = 0; offset = LSBPATH * (long) CDBLKSIZE; result = isoWrite(referenceNumber, buffer, (long) CDBLKSIZE, offset); if (result != noErr) ErrorMsg("CreatePathTable: isoWrite() returned %d", result); d->len_di = 1; d->dirLocation = DIRECTORY; d->parentDN = 0; offset = MSBPATH * (long) CDBLKSIZE; result = isoWrite(referenceNumber, buffer, (long) CDBLKSIZE, offset); if (result != noErr) ErrorMsg("CreatePathTable: isoWrite() returned %d", result); return result; } /************************************************************************ * * Function: CreateDirRcd * * Purpose: Create a directory record for a file * * Returns: none * * Side Effects: fills *d with directory information. We assume * caller has allocated space for d. * * Description: * ************************************************************************/ void CreateDirRcd(DirRcd *d, StringPtr name, long start, long length, short flags, OSType fType, OSType fCreator, short finderFlags) { Ptr dPtr; DateTimeRec today; d->XARlength = 0; d->lsbStart = NormalizeLong(start); d->msbStart = start; d->lsbDataLength = NormalizeLong(length); d->msbDataLength = length; d->fileFlags = flags; if (finderFlags & fInvisible) d->fileFlags |= exis