--- /dev/null
+/*
+ * Creation Date: <2000/09/03 23:04:27 samuel>
+ * Time-stamp: <2000/09/04 01:23:55 samuel>
+ *
+ * <hfs_mdb.h>
+ *
+ * HFS Master Directory Block (MDB)
+ *
+ * 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
+ *
+ */
+
+#ifndef _H_HFS_MDB
+#define _H_HFS_MDB
+
+#include "libc/byteorder.h"
+
+typedef unsigned char hfs_char_t;
+typedef unsigned char hfs_ushort_t[2];
+typedef unsigned char hfs_uint_t[4];
+
+static inline unsigned short hfs_get_ushort(hfs_ushort_t addr)
+{
+ return __be16_to_cpu(*((unsigned short *)(addr)));
+}
+
+static inline unsigned int hfs_get_uint(hfs_uint_t addr)
+{
+ return __be32_to_cpu(*((unsigned int *)(addr)));
+}
+
+/*
+ * The HFS Master Directory Block (MDB).
+ *
+ * Also known as the Volume Information Block (VIB), this structure is
+ * the HFS equivalent of a superblock.
+ *
+ * Reference: _Inside Macintosh: Files_ pages 2-59 through 2-62
+ *
+ * modified for HFS Extended
+ */
+
+typedef struct hfs_mdb {
+ hfs_ushort_t drSigWord; /* Signature word indicating fs type */
+ hfs_uint_t drCrDate; /* fs creation date/time */
+ hfs_uint_t drLsMod; /* fs modification date/time */
+ hfs_ushort_t drAtrb; /* fs attributes */
+ hfs_ushort_t drNmFls; /* number of files in root directory */
+ hfs_ushort_t drVBMSt; /* location (in 512-byte blocks)
+ of the volume bitmap */
+ hfs_ushort_t drAllocPtr; /* location (in allocation blocks)
+ to begin next allocation search */
+ hfs_ushort_t drNmAlBlks; /* number of allocation blocks */
+ hfs_uint_t drAlBlkSiz; /* bytes in an allocation block */
+ hfs_uint_t drClpSiz; /* clumpsize, the number of bytes to
+ allocate when extending a file */
+ hfs_ushort_t drAlBlSt; /* location (in 512-byte blocks)
+ of the first allocation block */
+ hfs_uint_t drNxtCNID; /* CNID to assign to the next
+ file or directory created */
+ hfs_ushort_t drFreeBks; /* number of free allocation blocks */
+ hfs_char_t drVN[28]; /* the volume label */
+ hfs_uint_t drVolBkUp; /* fs backup date/time */
+ hfs_ushort_t drVSeqNum; /* backup sequence number */
+ hfs_uint_t drWrCnt; /* fs write count */
+ hfs_uint_t drXTClpSiz; /* clumpsize for the extents B-tree */
+ hfs_uint_t drCTClpSiz; /* clumpsize for the catalog B-tree */
+ hfs_ushort_t drNmRtDirs; /* number of directories in
+ the root directory */
+ hfs_uint_t drFilCnt; /* number of files in the fs */
+ hfs_uint_t drDirCnt; /* number of directories in the fs */
+ hfs_char_t drFndrInfo[32]; /* data used by the Finder */
+ hfs_ushort_t drEmbedSigWord; /* embedded volume signature */
+ hfs_uint_t drEmbedExtent; /* starting block number (xdrStABN)
+ and number of allocation blocks
+ (xdrNumABlks) occupied by embedded
+ volume */
+ hfs_uint_t drXTFlSize; /* bytes in the extents B-tree */
+ hfs_char_t drXTExtRec[12]; /* extents B-tree's first 3 extents */
+ hfs_uint_t drCTFlSize; /* bytes in the catalog B-tree */
+ hfs_char_t drCTExtRec[12]; /* catalog B-tree's first 3 extents */
+} hfs_mdb_t;
+
+#define HFS_PLUS_SIGNATURE 0x482b /* 'H+' */
+#define HFS_SIGNATURE 0x4244 /* HFS / embedded HFS+ */
+
+
+typedef struct hfs_plus_mdb
+{
+ unsigned short signature;
+ unsigned short version;
+ unsigned int attributes;
+ unsigned int lastMountedVersion;
+ unsigned int reserved;
+
+ unsigned int createDate;
+ unsigned int modifyDate;
+ unsigned int backupDate;
+ unsigned int checkedDate;
+
+ unsigned int fileCount;
+ unsigned int folderCount;
+
+ unsigned int blockSize;
+ unsigned int totalBlocks;
+ unsigned int freeBlocks;
+
+ unsigned int nextAllocation;
+ unsigned int rsrcClumpSize;
+ unsigned int dataClumpSize;
+
+ /* ... there are more fields here ... */
+} hfs_plus_mdb_t;
+
+
+#endif /* _H_HFS_MDB */
Code Review / kvmfornfv.git / blobdiff