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