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authorIgor Pashev <pashev.igor@gmail.com>2012-12-31 05:04:42 +0400
committerIgor Pashev <pashev.igor@gmail.com>2012-12-31 05:04:42 +0400
commit71dc8760ff4de5f365330d1bc571d934deb54af9 (patch)
tree7346d42a282562a3937d82307012b5857d642ce6 /libhfs_iso/internal.h
downloadcdrkit-71dc8760ff4de5f365330d1bc571d934deb54af9.tar.gz
Imported Upstream version 1.1.11upstream/1.1.11upstream
Diffstat (limited to 'libhfs_iso/internal.h')
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1 files changed, 369 insertions, 0 deletions
diff --git a/libhfs_iso/internal.h b/libhfs_iso/internal.h
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+/*
+ * This file has been modified for the cdrkit suite.
+ *
+ * The behaviour and appearence of the program code below can differ to a major
+ * extent from the version distributed by the original author(s).
+ *
+ * For details, see Changelog file distributed with the cdrkit package. If you
+ * received this file from another source then ask the distributing person for
+ * a log of modifications.
+ *
+ */
+
+/* @(#)internal.h 1.2 01/11/01 joerg */
+/*
+ * hfsutils - tools for reading and writing Macintosh HFS volumes
+ * Copyright (C) 1996, 1997 Robert Leslie
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <timedefs.h>
+#include <standard.h>
+
+# include "hfs.h"
+
+# define ERROR(code, str) (hfs_error = (str), errno = (code))
+
+# define SIZE(type, n) ((size_t) (sizeof(type) * (n)))
+# define ALLOC(type, n) ((type *) malloc(SIZE(type, n)))
+# define ALLOCX(type, n) ((n) ? ALLOC(type, n) : (type *) 0)
+# define FREE(ptr) {if (ptr) free((void *) ptr) ;}
+
+# define REALLOC(ptr, type, n) \
+ ((type *) ((ptr) ? realloc(ptr, SIZE(type, n)) : malloc(SIZE(type, n))))
+# define REALLOCX(ptr, type, n) \
+ ((n) ? REALLOC(type, n) : (FREE(ptr), (type *) 0))
+
+# define BMTST(bm, num) \
+ (((char *) (bm))[(num) >> 3] & (0x80 >> ((num) & 0x07)))
+# define BMSET(bm, num) \
+ (((char *) (bm))[(num) >> 3] |= (0x80 >> ((num) & 0x07)))
+# define BMCLR(bm, num) \
+ (((char *) (bm))[(num) >> 3] &= ~(0x80 >> ((num) & 0x07)))
+
+typedef unsigned char block[HFS_BLOCKSZ];
+
+typedef signed char Char;
+typedef unsigned char UChar;
+typedef signed char SignedByte;
+typedef signed short Integer;
+typedef unsigned short UInteger;
+typedef signed long LongInt;
+typedef unsigned long ULongInt;
+typedef char Str15[16];
+typedef char Str31[32];
+typedef long OSType;
+
+typedef struct {
+ UInteger xdrStABN; /* first allocation block */
+ UInteger xdrNumABlks; /* number of allocation blocks */
+} ExtDescriptor;
+
+typedef ExtDescriptor ExtDataRec[3];
+
+typedef struct {
+ SignedByte xkrKeyLen; /* key length */
+ SignedByte xkrFkType; /* fork type (0x00/0xff == data/resource */
+ ULongInt xkrFNum; /* file number */
+ UInteger xkrFABN; /* starting file allocation block */
+} ExtKeyRec;
+
+typedef struct {
+ SignedByte ckrKeyLen; /* key length */
+ SignedByte ckrResrv1; /* reserved */
+ ULongInt ckrParID; /* parent directory ID */
+ Str31 ckrCName; /* catalog node name */
+} CatKeyRec;
+
+# define HFS_MAP1SZ 256
+# define HFS_MAPXSZ 492
+
+# define HFS_NODEREC(nd, rnum) ((nd).data + (nd).roff[rnum])
+
+# define HFS_RECKEYLEN(ptr) (*(unsigned char *) (ptr))
+# define HFS_RECKEYSKIP(ptr) ((1 + HFS_RECKEYLEN(ptr) + 1) & ~1)
+# define HFS_RECDATA(ptr) ((ptr) + HFS_RECKEYSKIP(ptr))
+
+# define HFS_CATDATALEN sizeof(CatDataRec)
+# define HFS_EXTDATALEN sizeof(ExtDataRec)
+
+# define HFS_CATKEYLEN sizeof(CatKeyRec)
+# define HFS_EXTKEYLEN sizeof(ExtKeyRec)
+
+# define HFS_CATRECMAXLEN (HFS_CATKEYLEN + HFS_CATDATALEN)
+# define HFS_EXTRECMAXLEN (HFS_EXTKEYLEN + HFS_EXTDATALEN)
+
+# define HFS_MAXRECLEN HFS_CATRECMAXLEN
+
+typedef struct {
+ Integer v; /* vertical coordinate */
+ Integer h; /* horizontal coordinate */
+} Point;
+
+typedef struct {
+ Integer top; /* top edge of rectangle */
+ Integer left; /* left edge */
+ Integer bottom; /* bottom edge */
+ Integer right; /* rightmost edge */
+} Rect;
+
+typedef struct {
+ Rect frRect; /* folder's rectangle */
+ Integer frFlags; /* flags */
+ Point frLocation; /* folder's location */
+ Integer frView; /* folder's view */
+} DInfo;
+
+typedef struct {
+ Point frScroll; /* scroll position */
+ LongInt frOpenChain; /* directory ID chain of open folders */
+ Integer frUnused; /* reserved */
+ Integer frComment; /* comment ID */
+ LongInt frPutAway; /* directory ID */
+} DXInfo;
+
+typedef struct {
+ OSType fdType; /* file type */
+ OSType fdCreator; /* file's creator */
+ Integer fdFlags; /* flags */
+ Point fdLocation; /* file's location */
+ Integer fdFldr; /* file's window */
+} FInfo;
+
+typedef struct {
+ Integer fdIconID; /* icon ID */
+ Integer fdUnused[4]; /* reserved */
+ Integer fdComment; /* comment ID */
+ LongInt fdPutAway; /* home directory ID */
+} FXInfo;
+
+typedef struct {
+ Integer drSigWord; /* volume signature (0x4244 for HFS) */
+ LongInt drCrDate; /* date and time of volume creation */
+ LongInt drLsMod; /* date and time of last modification */
+ Integer drAtrb; /* volume attributes */
+ UInteger drNmFls; /* number of files in root directory */
+ UInteger drVBMSt; /* first block of volume bit map (always 3) */
+ UInteger drAllocPtr; /* start of next allocation search */
+ UInteger drNmAlBlks; /* number of allocation blocks in volume */
+ ULongInt drAlBlkSiz; /* size (in bytes) of allocation blocks */
+ ULongInt drClpSiz; /* default clump size */
+ UInteger drAlBlSt; /* first allocation block in volume */
+ LongInt drNxtCNID; /* next unused catalog node ID (dir/file ID) */
+ UInteger drFreeBks; /* number of unused allocation blocks */
+ char drVN[28]; /* volume name (1-27 chars) */
+ LongInt drVolBkUp; /* date and time of last backup */
+ Integer drVSeqNum; /* volume backup sequence number */
+ ULongInt drWrCnt; /* volume write count */
+ ULongInt drXTClpSiz; /* clump size for extents overflow file */
+ ULongInt drCTClpSiz; /* clump size for catalog file */
+ UInteger drNmRtDirs; /* number of directories in root directory */
+ ULongInt drFilCnt; /* number of files in volume */
+ ULongInt drDirCnt; /* number of directories in volume */
+ LongInt drFndrInfo[8]; /* information used by the Finder */
+ UInteger drVCSize; /* size (in blocks) of volume cache */
+ UInteger drVBMCSize; /* size (in blocks) of volume bitmap cache */
+ UInteger drCtlCSize; /* size (in blocks) of common volume cache */
+ ULongInt drXTFlSize; /* size (in bytes) of extents overflow file */
+ ExtDataRec drXTExtRec; /* first extent record for extents file */
+ ULongInt drCTFlSize; /* size (in bytes) of catalog file */
+ ExtDataRec drCTExtRec; /* first extent record for catalog file */
+} MDB;
+
+# define HFS_ATRB_BUSY (1 << 6)
+# define HFS_ATRB_HLOCKED (1 << 7)
+# define HFS_ATRB_UMOUNTED (1 << 8)
+# define HFS_ATRB_BBSPARED (1 << 9)
+# define HFS_ATRB_COPYPROT (1 << 14)
+# define HFS_ATRB_SLOCKED (1 << 15)
+
+typedef enum {
+ cdrDirRec = 1,
+ cdrFilRec = 2,
+ cdrThdRec = 3,
+ cdrFThdRec = 4
+} CatDataType;
+
+typedef struct {
+ SignedByte cdrType; /* record type */
+ SignedByte cdrResrv2; /* reserved */
+ union {
+ struct { /* cdrDirRec */
+ Integer dirFlags; /* directory flags */
+ UInteger dirVal; /* directory valence */
+ ULongInt dirDirID; /* directory ID */
+ LongInt dirCrDat; /* date and time of creation */
+ LongInt dirMdDat; /* date and time of last modification */
+ LongInt dirBkDat; /* date and time of last backup */
+ DInfo dirUsrInfo; /* Finder information */
+ DXInfo dirFndrInfo; /* additional Finder information */
+ LongInt dirResrv[4]; /* reserved */
+ } dir;
+ struct { /* cdrFilRec */
+ SignedByte
+ filFlags; /* file flags */
+ SignedByte
+ filTyp; /* file type */
+ FInfo filUsrWds; /* Finder information */
+ ULongInt filFlNum; /* file ID */
+ UInteger filStBlk; /* first alloc block of data fork */
+ ULongInt filLgLen; /* logical EOF of data fork */
+ ULongInt filPyLen; /* physical EOF of data fork */
+ UInteger filRStBlk; /* first alloc block of resource fork */
+ ULongInt filRLgLen; /* logical EOF of resource fork */
+ ULongInt filRPyLen; /* physical EOF of resource fork */
+ LongInt filCrDat; /* date and time of creation */
+ LongInt filMdDat; /* date and time of last modification */
+ LongInt filBkDat; /* date and time of last backup */
+ FXInfo filFndrInfo; /* additional Finder information */
+ UInteger filClpSize; /* file clump size */
+ ExtDataRec
+ filExtRec; /* first data fork extent record */
+ ExtDataRec
+ filRExtRec; /* first resource fork extent record */
+ LongInt filResrv; /* reserved */
+ } fil;
+ struct { /* cdrThdRec */
+ LongInt thdResrv[2]; /* reserved */
+ ULongInt thdParID; /* parent ID for this directory */
+ Str31 thdCName; /* name of this directory */
+ } dthd;
+ struct { /* cdrFThdRec */
+ LongInt fthdResrv[2]; /* reserved */
+ ULongInt fthdParID; /* parent ID for this file */
+ Str31 fthdCName; /* name of this file */
+ } fthd;
+ } u;
+} CatDataRec;
+
+struct _hfsfile_ {
+ struct _hfsvol_ *vol; /* pointer to volume descriptor */
+ long parid; /* parent directory ID of this file */
+ char name[HFS_MAX_FLEN + 1]; /* catalog name of this file */
+ CatDataRec cat; /* catalog information */
+ ExtDataRec ext; /* current extent record */
+ unsigned int fabn; /* starting file allocation block number */
+ int fork; /* current selected fork for I/O */
+ unsigned long pos; /* current file seek pointer */
+ unsigned long clump; /* file's clump size, for allocation */
+ int flags; /* bit flags */
+
+ struct _hfsfile_ *prev;
+ struct _hfsfile_ *next;
+};
+
+# define HFS_UPDATE_CATREC 0x01
+
+typedef struct {
+ ULongInt ndFLink; /* forward link */
+ ULongInt ndBLink; /* backward link */
+ SignedByte ndType; /* node type */
+ SignedByte ndNHeight; /* node level */
+ UInteger ndNRecs; /* number of records in node */
+ Integer ndResv2; /* reserved */
+} NodeDescriptor;
+
+# define HFS_MAXRECS 35 /* maximum based on minimum record size */
+
+typedef struct _node_ {
+ struct _btree_ *bt; /* btree to which this node belongs */
+ unsigned long nnum; /* node index */
+ NodeDescriptor nd; /* node descriptor */
+ int rnum; /* current record index */
+ UInteger roff[HFS_MAXRECS + 1]; /* record offsets */
+ block data; /* raw contents of node */
+} node;
+
+enum {
+ ndIndxNode = 0x00,
+ ndHdrNode = 0x01,
+ ndMapNode = 0x02,
+ ndLeafNode = 0xff
+};
+
+struct _hfsdir_ {
+ struct _hfsvol_ *vol; /* associated volume */
+ long dirid; /* directory ID of interest (or 0) */
+
+ node n; /* current B*-tree node */
+ struct _hfsvol_ *vptr; /* current volume pointer */
+
+ struct _hfsdir_ *prev;
+ struct _hfsdir_ *next;
+};
+
+typedef struct {
+ UInteger bthDepth; /* current depth of tree */
+ ULongInt bthRoot; /* number of root node */
+ ULongInt bthNRecs; /* number of leaf records in tree */
+ ULongInt bthFNode; /* number of first leaf node */
+ ULongInt bthLNode; /* number of last leaf node */
+ UInteger bthNodeSize; /* size of a node */
+ UInteger bthKeyLen; /* maximum length of a key */
+ ULongInt bthNNodes; /* total number of nodes in tree */
+ ULongInt bthFree; /* number of free nodes */
+ SignedByte bthResv[76]; /* reserved */
+} BTHdrRec;
+
+typedef struct _btree_ {
+ hfsfile f; /* subset file information */
+ node hdrnd; /* header node */
+ BTHdrRec hdr; /* header record */
+ char *map; /* usage bitmap */
+ unsigned long mapsz; /* number of bytes in bitmap */
+ int flags; /* bit flags */
+
+ int (*compare)(unsigned char *, unsigned char *);
+ /* key comparison function */
+} btree;
+
+# define HFS_UPDATE_BTHDR 0x01
+
+struct _hfsvol_ {
+ int fd; /* volume's open file descriptor */
+ int flags; /* bit flags */
+
+#ifdef APPLE_HYB
+ hce_mem *hce; /* Extras needed by libhfs/mkisofs */
+#endif /* APPLE_HYB */
+
+ int pnum; /* ordinal HFS partition number */
+ unsigned long vstart; /* logical block offset to start of volume */
+ unsigned long vlen; /* number of logical blocks in volume */
+ unsigned int lpa; /* number of logical blocks per allocation block */
+
+ MDB mdb; /* master directory block */
+ block *vbm; /* volume bit map */
+ btree ext; /* B*-tree control block for extents overflow file */
+ btree cat; /* B*-tree control block for catalog file */
+ long cwd; /* directory id of current working directory */
+
+ int refs; /* number of external references to this volume */
+ hfsfile *files; /* list of open files */
+ hfsdir *dirs; /* list of open directories */
+
+ struct _hfsvol_ *prev;
+ struct _hfsvol_ *next;
+};
+
+# define HFS_READONLY 0x01
+
+# define HFS_UPDATE_MDB 0x10
+# define HFS_UPDATE_ALTMDB 0x20
+# define HFS_UPDATE_VBM 0x40
+
+extern hfsvol *hfs_mounts;
+extern hfsvol *hfs_curvol;