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- /****************************************************************
- MacBinaryIII.c
- Copyright 1997 Christopher Evans (cevans@poppybank.com)
- Basic encoding and decoding of Macintosh files to the
- MacBinary III spec.
- This file is part of the MacBinaryIII_src_C.sit package
- see macbin3.h for more information
- ****************************************************************/
- /*****************************************************************************/
- /* Includes */
- /*****************************************************************************/
- #include <string.h>
- #include <stdio.h>
- #include "macbin3.h"
- /*****************************************************************************/
- /* Macros, typedefs */
- /*****************************************************************************/
- /* source (the macbinary file) will be deleted */
- #define DELETE_MACBINARY_SOURCE
- /* enable encoding
- #define INCLUDE_ENCODE_MACBINARY */
- /* enable decoding */
- #define INCLUDE_DECODE_MACBINARY
- /* include own CRC 32 Bit Calculation
- #define INCLUDE_CRC32CALC */
- /* produce some helpful printouts for tracing
- #define TRACE_MACBINARY */
- #define LONG_AT_OFFSET(data, offset) *((long *)((unsigned char *)&data[offset]))
- #define WORD_AT_OFFSET(data, offset) *((Word *)((unsigned char *)&data[offset]))
- #define BYTE_AT_OFFSET(data, offset) *((Byte *)((unsigned char *)&data[offset]))
- #define PTR_AT_OFFSET(data, offset) ((Ptr)((unsigned char *)&data[offset]))
- typedef unsigned short Word;
- #define kOldVersionOffset 0
- #define kFileNameLengthOffset 1
- #define kFileNameOffset 2
- #define kFileTypeOffset 65
- #define kFileCreatorOffset 69
- #define kFinderFlagsHiOffset 73
- #define kVersionCheckZero 74
- #define kFileVPositionOffset 75
- #define kFileHPositionOffset 77
- #define kFileFolderIDOffset 79
- #define kProtectedFlagOffset 81
- #define kVersionOneCheckZero 82
- #define kDataForkLengthOffset 83
- #define kResourceForkLengthOffset 87
- #define kFileCreationDateOffset 91
- #define kFileModificationDateOffset 95
- #define kGetInfoCommentLengthOffset 99
- #define kFinderFlagsLowOffset 101
- #define kMacbinarySigOffset 102
- #define kFilenameScriptOffset 106
- #define kExtendedFinderFlagsOffset 107
- #define kTotalFileLengthOffset 116
- #define kSecondaryHeaderLengthOffset 120
- #define kCurrentVersionOffset 122
- #define kMinimumVersionOffset 123
- #define kCRCOffset 124
- #define kResourceForkMaxLen (1024 * 1024 * 16)
- /*****************************************************************************/
- /* Module level Vars */
- /*****************************************************************************/
- #ifdef INCLUDE_CRC32CALC
- static unsigned long crc_table[256] = {
- 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
- 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
- 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
- 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL,
- 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L,
- 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L,
- 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L,
- 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
- 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L,
- 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL,
- 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L,
- 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L,
- 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L,
- 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL,
- 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL,
- 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
- 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL,
- 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L,
- 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L,
- 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L,
- 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL,
- 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L,
- 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L,
- 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
- 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L,
- 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L,
- 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L,
- 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L,
- 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L,
- 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL,
- 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL,
- 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
- 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L,
- 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL,
- 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL,
- 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L,
- 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL,
- 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L,
- 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL,
- 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
- 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL,
- 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L,
- 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L,
- 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL,
- 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L,
- 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L,
- 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L,
- 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
- 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L,
- 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L,
- 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL,
- 0x2d02ef8dL
- };
- #endif
- /*****************************************************************************/
- /* Prototypes */
- /*****************************************************************************/
- static Boolean HeaderIsMacBinary(char *header,
- Word *version,
- long maxDataLen);
- static Boolean FSpExists(FSSpec *file);
- #ifdef INCLUDE_CRC32CALC
- static unsigned long crc32(unsigned long seed, unsigned char *p, size_t len);
- #else
- extern unsigned long crc32(unsigned long seed, unsigned char *p, size_t len);
- #endif
- static OSErr GetDesktopComment(FSSpec *file, char*comment, long *length);
- static OSErr SetDesktopComment(FSSpec *file, char*comment, long length);
- static Handle EncodeMacbinary(FSSpec *file);
- static OSErr DecodeMacBinary(Handle data, FSSpec *destination);
- /*****************************************************************************/
- /* Functions */
- /*****************************************************************************/
- #ifdef INCLUDE_CRC32CALC
- /* taken from the mcvert source code */
- static unsigned long crc32(unsigned long seed, unsigned char *p, size_t len)
- {
- unsigned long hold; /* crc computed so far */
- size_t i; /* index into data */
- hold = seed; /* start with seed */
- for (i = 0; i < len; i++, p++)
- {
- hold ^= (*p << 8);
- hold = (hold << 8) ^ crc_table[(unsigned char) (hold >> 8)];
- }
- return (hold);
- } /* crc32() */
- #endif
- static Boolean FSpExists(FSSpec *file)
- {
- FInfo fndrInfo;
- return FSpGetFInfo(file, &fndrInfo) == noErr;
- }
- static Boolean HeaderIsMacBinary(char *header,
- Word *version,
- long maxDataLen)
- {
- Boolean isIt = false;
- unsigned long resourceForkLength, dataForkLength, df_rf_length;
- short commentLength;
- Byte mbVersion;
- #ifdef TRACE_MACBINARY
- printf("\n\n Function HeaderIsMacBinary(): ");
- #endif
- if(LONG_AT_OFFSET(header, kMacbinarySigOffset) == 'mBIN')
- {
- isIt = true;
- mbVersion = 130;
- }
- else
- if(BYTE_AT_OFFSET(header, kVersionCheckZero) == 0 &&
- BYTE_AT_OFFSET(header, kOldVersionOffset) == 0)
- {
- if(WORD_AT_OFFSET(header, kCRCOffset) ==
- crc32(0, (unsigned char*) &header, 124))
- {
- isIt = true;
- mbVersion = 129;
- }
- else
- {
- if(BYTE_AT_OFFSET(header, kVersionOneCheckZero) == 0)
- {
- isIt = true;
- mbVersion = 128;
- }
- }
- }
- #ifdef TRACE_MACBINARY
- printf("\n mbVersion: %d",mbVersion);
- #endif
- resourceForkLength = LONG_AT_OFFSET(header, kResourceForkLengthOffset);
- dataForkLength = LONG_AT_OFFSET(header, kDataForkLengthOffset);
- commentLength = WORD_AT_OFFSET(header, kGetInfoCommentLengthOffset);
- df_rf_length = dataForkLength + resourceForkLength;
- #ifdef TRACE_MACBINARY
- printf("\n resourceForkLength: %d",resourceForkLength);
- printf("\n dataForkLength: %d",dataForkLength);
- printf("\n commentLength: %d",commentLength);
- printf("\n df_rf_length: %d",df_rf_length);
- printf("\n 1. isIt: bool: %d",
- isIt);
- printf("\n BYTE_AT_OFFSET(header, kFileNameLengthOffset) >= 1 bool: %d",
- BYTE_AT_OFFSET(header, kFileNameLengthOffset) >= 1);
- printf("\n BYTE_AT_OFFSET(header, kFileNameLengthOffset) <= 31 bool: %d",
- BYTE_AT_OFFSET(header, kFileNameLengthOffset) <= 31);
- printf("\n dataForkLength >= 0 bool: %d",
- dataForkLength >= 0);
- printf("\n resourceForkLength >= 0 bool: %d",
- resourceForkLength >= 0);
- printf("\n resourceForkLength <= 0x%8x bool: %d",
- kResourceForkMaxLen, resourceForkLength <= kResourceForkMaxLen);
- printf("\n dataForkLength <= %8u bool: %d",
- maxDataLen, dataForkLength <= maxDataLen);
- printf("\n df_rf_length > 0 bool: %d",
- df_rf_length > 0);
- printf("\n df_rf_length <= %8u bool: %d",
- maxDataLen, df_rf_length <= maxDataLen);
- #endif
- if(isIt &&
- BYTE_AT_OFFSET(header, kFileNameLengthOffset) >= 1 &&
- BYTE_AT_OFFSET(header, kFileNameLengthOffset) <= 31 &&
- dataForkLength >= 0 &&
- resourceForkLength >= 0 &&
- resourceForkLength <= kResourceForkMaxLen &&
- df_rf_length > 0 &&
- df_rf_length <= maxDataLen)
- {
- isIt = true;
- }
- else
- isIt = false; /* something is wrong with the header */
- #ifdef TRACE_MACBINARY
- printf("\n 2. isIt: bool: %d",
- isIt);
- #endif
- if(version)
- *version = mbVersion;
- return isIt;
- }
- Boolean FSpIsMacBinary(FSSpec *file)
- {
- char header[128];
- short dfRefNum = 0;
- OSErr err;
- long size;
- Boolean isIt = false;
- CInfoPBRec pb;
- long maxDataLen;
- memset(&pb, 0, sizeof(CInfoPBRec));
- pb.hFileInfo.ioNamePtr = file->name;
- pb.hFileInfo.ioVRefNum = file->vRefNum;
- pb.hFileInfo.ioFDirIndex = 0; /* query a file */
- pb.hFileInfo.ioDirID = file->parID;
- err = PBGetCatInfo(&pb,false);
- maxDataLen = pb.hFileInfo.ioFlLgLen;
- memset(header, 0, 128);
- err = FSpOpenDF(file, fsRdPerm, &dfRefNum);
- if(!err)
- {
- err = GetEOF(dfRefNum, &size);
- if(size > 128)
- {
- size = 128;
- err = FSRead(dfRefNum, &size, &header);
- if(err == noErr)
- {
- isIt = HeaderIsMacBinary(header, nil, maxDataLen);
- }
- }
- FSClose(dfRefNum);
- }
- return isIt;
- }
- #ifdef INCLUDE_ENCODE_MACBINARY
- static OSErr GetDesktopComment(FSSpec *file, char*comment, long *length)
- {
- DTPBRec pb;
- OSErr err;
- pb.ioCompletion = nil;
- pb.ioNamePtr = NULL;
- pb.ioVRefNum = file->vRefNum;
- err = PBDTGetPath(&pb);
- if(err == noErr)
- {
- pb.ioNamePtr = file->name;
- pb.ioDTBuffer = comment;
- pb.ioDirID = file->parID;
- err = PBDTGetComment(&pb, false);
- *length = pb.ioDTActCount;
- }
- return err;
- }
- OSErr EncodeMacbinaryFile(FSSpec *file)
- {
- Handle data;
- OSErr err = paramErr;
- short dfRefNum;
- data = EncodeMacbinary(file);
- if(data)
- {
- if(file->name[0] > 27)
- file->name[0] = 27;
- PtoCstr(file->name);
- strcat((char*)file->name, ".bin");
- CtoPstr((char *)file->name);
- FSpDelete(file);
- if(FSpCreate(file, 'dMB3', 'mBIN', smSystemScript) == noErr)
- {
- err = FSpOpenDF(file, fsWrPerm, &dfRefNum);
- if(err == noErr)
- {
- long inOutCount = GetHandleSize(data);
- HLock(data);
- err = FSWrite(dfRefNum,&inOutCount,*data);
- HUnlock(data);
- FSClose(dfRefNum);
- }
- }
- DisposeHandle(data);
- }
- return err;
- }
- static Handle EncodeMacbinary(FSSpec *file)
- {
- Handle result = nil;
- FInfo fndrInfo;
- FXInfo fndrXInfo;
- OSErr err;
- CInfoPBRec pb;
- short dfRefNum, rfRefNum;
- long ioCount;
- char buffer[128];
- char header[128];
- char comment[256];
- long resourceForkLength, dataForkLength, commentLength;
- memset(&header, 0, sizeof(header));
- err = FSpGetFInfo(file, &fndrInfo);
- memset(&pb, 0, sizeof(CInfoPBRec));
- pb.hFileInfo.ioNamePtr = file->name;
- pb.hFileInfo.ioVRefNum = file->vRefNum;
- pb.hFileInfo.ioFDirIndex = 0; //query a file
- pb.hFileInfo.ioDirID = file->parID;
- err = PBGetCatInfo(&pb,false);
- fndrXInfo = pb.hFileInfo.ioFlXFndrInfo;
- BYTE_AT_OFFSET(header, kFileNameLengthOffset) = file->name[0];
- BlockMoveData( &(file->name[1]),
- PTR_AT_OFFSET(header,
- kFileNameOffset),
- file->name[0]);
- LONG_AT_OFFSET(header, kFileTypeOffset) = fndrInfo.fdType;
- LONG_AT_OFFSET(header, kFileCreatorOffset) = fndrInfo.fdCreator;
- BYTE_AT_OFFSET(header, kFinderFlagsHiOffset) =
- (fndrInfo.fdFlags & 0xFF00) >> 8;
- BYTE_AT_OFFSET(header, kFinderFlagsLowOffset) =
- (fndrInfo.fdFlags & 0x00FF);
- WORD_AT_OFFSET(header, kFileVPositionOffset) = fndrInfo.fdLocation.v;
- WORD_AT_OFFSET(header, kFileHPositionOffset) = fndrInfo.fdLocation.h;
- WORD_AT_OFFSET(header, kFileFolderIDOffset) = fndrInfo.fdFldr;
- LONG_AT_OFFSET(header, kFileCreationDateOffset) = pb.hFileInfo.ioFlCrDat;
- LONG_AT_OFFSET(header, kFileModificationDateOffset) =
- pb.hFileInfo.ioFlMdDat;
- LONG_AT_OFFSET(header, kMacbinarySigOffset) = 'mBIN';
- BYTE_AT_OFFSET(header, kFilenameScriptOffset) = fndrXInfo.fdScript;
- BYTE_AT_OFFSET(header, kExtendedFinderFlagsOffset) = fndrXInfo.fdXFlags;
- LONG_AT_OFFSET(header, kTotalFileLengthOffset) = 0;
- WORD_AT_OFFSET(header, kSecondaryHeaderLengthOffset) = 0;
- WORD_AT_OFFSET(header, kCurrentVersionOffset) = 130;
- WORD_AT_OFFSET(header, kMinimumVersionOffset) = 129;
- err = FSpOpenDF(file,fsRdPerm,&dfRefNum);
- if(err == noErr)
- {
- err = GetEOF(dfRefNum,&dataForkLength);
- LONG_AT_OFFSET(header, kDataForkLengthOffset) = dataForkLength;
- }
- else
- {
- dfRefNum = 0;
- }
- err = FSpOpenRF(file,fsRdPerm,&rfRefNum);
- if(err == noErr)
- {
- err = GetEOF(rfRefNum,&resourceForkLength);
- LONG_AT_OFFSET(header, kResourceForkLengthOffset) = resourceForkLength;
- }
- else
- {
- rfRefNum = 0;
- }
- memset(comment, 0, 256);
- if(GetDesktopComment(file, comment, &commentLength) != noErr)
- commentLength = 0;
- WORD_AT_OFFSET(header, kGetInfoCommentLengthOffset) = commentLength;
- WORD_AT_OFFSET(header, kCRCOffset) =
- crc32( 0, (unsigned char*) &header, 124);
- result = TempNewHandle(0, &err);
- if(result)
- {
- err = PtrAndHand(&header,result,128);
- if(dfRefNum && dataForkLength)
- {
- err = noErr;
- while(dataForkLength > 0 && err == noErr)
- {
- ioCount = 128;
- err = FSRead(dfRefNum,&ioCount,&buffer);
- if(err == noErr || err == eofErr)
- err = PtrAndHand(&buffer,result,128);
- dataForkLength -= ioCount;
- }
- }
- if(rfRefNum && resourceForkLength)
- {
- err = noErr;
- while(resourceForkLength > 0 && err == noErr)
- {
- ioCount = 128;
- err = FSRead(rfRefNum,&ioCount,&buffer);
- if(err == noErr || err == eofErr)
- err = PtrAndHand(&buffer,result,128);
- resourceForkLength -= ioCount;
- }
- }
- if(commentLength)
- {
- PtrAndHand(&comment,result,commentLength);
- }
- }
- if(rfRefNum)
- FSClose(rfRefNum);
- if(dfRefNum)
- FSClose(dfRefNum);
- return result;
- }
- #endif /* INCLUDE_ENCODE_MACBINARY */
- #ifdef INCLUDE_DECODE_MACBINARY
- static OSErr SetDesktopComment(FSSpec *file, char*comment, long length)
- {
- DTPBRec pb;
- OSErr err;
- pb.ioCompletion = nil;
- pb.ioNamePtr = NULL;
- pb.ioVRefNum = file->vRefNum;
- err = PBDTGetPath(&pb);
- if(err == noErr)
- {
- pb.ioNamePtr = file->name;
- pb.ioDTBuffer = comment;
- pb.ioDirID = file->parID;
- pb.ioDTReqCount = length;
- err = PBDTSetComment(&pb, false);
- }
- return err;
- }
- OSErr DecodeMacBinaryFile(FSSpec *source)
- {
- Handle data = nil;
- OSErr err;
- short dfRefNum = 0;
- long size;
- FSSpec McBin_source;
- memcpy(McBin_source.name,source->name,source->name[0]+1);
- McBin_source.vRefNum = source->vRefNum;
- McBin_source.parID = source->parID;
- err = FSpOpenDF(source, fsRdPerm, &dfRefNum);
- if(!err)
- {
- err = GetEOF(dfRefNum, &size);
- data = TempNewHandle(size, &err);
- if(data)
- {
- HLock(data);
- err = FSRead(dfRefNum,&size,*data);
- HUnlock(data);
- }
- FSClose(dfRefNum);
- }
- if(data && err == noErr)
- {
- err = DecodeMacBinary(data, source);
- DisposeHandle(data);
- }
- #ifdef DELETE_MACBINARY_SOURCE
- if (err == noErr)
- err = FSpDelete(&McBin_source);
- #endif
- return err;
- }
- static OSErr DecodeMacBinary(Handle data, FSSpec *destination)
- {
- Handle result = nil;
- FInfo fndrInfo;
- OSErr err;
- CInfoPBRec pb;
- short dfRefNum, rfRefNum;
- long ioCount;
- char header[128];
- char comment[256];
- long resourceForkLength, dataForkLength, commentLength;
- Boolean isMacBinaryFile = false;
- short headerEnd = 128;
- long rfOffset;
- long maxDataLen;
- memset(&pb, 0, sizeof(CInfoPBRec));
- pb.hFileInfo.ioNamePtr = destination->name;
- pb.hFileInfo.ioVRefNum = destination->vRefNum;
- pb.hFileInfo.ioFDirIndex = 0; /* query a file */
- pb.hFileInfo.ioDirID = destination->parID;
- err = PBGetCatInfo(&pb,false);
- maxDataLen = pb.hFileInfo.ioFlLgLen;
- HLock(data);
- memcpy(header, *data, 128);
- /* already checked with FSpIsMacBinary() */
- isMacBinaryFile = HeaderIsMacBinary(header, nil, maxDataLen);;
- if(!isMacBinaryFile)
- return paramErr;
- if(WORD_AT_OFFSET(header, kSecondaryHeaderLengthOffset))
- {
- headerEnd = WORD_AT_OFFSET(header, kSecondaryHeaderLengthOffset);
- headerEnd = (headerEnd + 127) & ~127L;
- }
- resourceForkLength = LONG_AT_OFFSET(header, kResourceForkLengthOffset);
- dataForkLength = LONG_AT_OFFSET(header, kDataForkLengthOffset);
- commentLength = WORD_AT_OFFSET(header, kGetInfoCommentLengthOffset);
- memcpy( destination->name,
- PTR_AT_OFFSET(header,
- kFileNameLengthOffset),
- BYTE_AT_OFFSET(header,
- kFileNameLengthOffset));
- fndrInfo.fdType = LONG_AT_OFFSET(header, kFileTypeOffset);
- fndrInfo.fdCreator = LONG_AT_OFFSET(header, kFileCreatorOffset);
- fndrInfo.fdFlags = BYTE_AT_OFFSET(header, kFinderFlagsHiOffset);
- fndrInfo.fdFlags << 8;
- fndrInfo.fdFlags |= BYTE_AT_OFFSET(header, kFinderFlagsLowOffset);
- fndrInfo.fdLocation.v = WORD_AT_OFFSET(header, kFileVPositionOffset);
- fndrInfo.fdLocation.h = WORD_AT_OFFSET(header, kFileHPositionOffset);
- fndrInfo.fdFldr = WORD_AT_OFFSET(header, kFileFolderIDOffset);
- /*
- index = 1;
- checkFile = *destination;
- while(FSpExists(&checkFile))
- {
- checkFile = *destination;
- if(index < 10)
- checkFile.name[++checkFile.name[0]] = '0' + index;
- else
- checkFile.name[++checkFile.name[0]] = ('a' - 10) + index;
- index++;
- }
- *destination = checkFile;
- */
- err = FSpCreate(destination,
- fndrInfo.fdCreator,
- fndrInfo.fdType,
- smSystemScript);
- dfRefNum = 0;
- if(err == noErr)
- {
- err = FSpOpenDF(destination, fsRdWrPerm, &dfRefNum);
- }
- if(err == noErr && dfRefNum)
- {
- ioCount = dataForkLength;
- err = FSWrite(dfRefNum,&ioCount,*data + headerEnd);
- FSClose(dfRefNum);
- }
- rfRefNum = 0;
- if(err == noErr)
- {
- err = FSpOpenRF(destination, fsRdWrPerm, &rfRefNum);
- }
- rfOffset = headerEnd + dataForkLength;
- rfOffset = (rfOffset + 127) & ~127L;
- if(err == noErr && rfRefNum)
- {
- ioCount = resourceForkLength;
- err = FSWrite(rfRefNum,&ioCount,*data + rfOffset);
- FSClose(rfRefNum);
- }
- rfOffset += resourceForkLength;
- rfOffset = (rfOffset + 127) & ~127L;
- if(err == noErr)
- {
- FSpSetFInfo(destination,&fndrInfo);
- memset(&pb, 0, sizeof(CInfoPBRec));
- pb.hFileInfo.ioNamePtr = destination->name;
- pb.hFileInfo.ioVRefNum = destination->vRefNum;
- pb.hFileInfo.ioFDirIndex = 0; /* query a file */
- pb.hFileInfo.ioDirID = destination->parID;
- err = PBGetCatInfo(&pb,false);
- if(err == noErr)
- {
- pb.hFileInfo.ioDirID = destination->parID;
- pb.hFileInfo.ioFlCrDat =
- LONG_AT_OFFSET(header, kFileCreationDateOffset);
- pb.hFileInfo.ioFlMdDat =
- LONG_AT_OFFSET(header, kFileModificationDateOffset);
- pb.hFileInfo.ioFlXFndrInfo.fdXFlags =
- BYTE_AT_OFFSET(header, kExtendedFinderFlagsOffset);
- pb.hFileInfo.ioFlXFndrInfo.fdScript =
- BYTE_AT_OFFSET(header, kFilenameScriptOffset);
- err = PBSetCatInfo(&pb, false);
- }
- if(commentLength)
- {
- memcpy(comment,*data + rfOffset, commentLength);
- SetDesktopComment(destination, comment, commentLength);
- }
- }
- HUnlock(data);
- return err;
- }
- #endif /* INCLUDE_DECODE_MACBINARY */
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