Imported Upstream version 1.1.11upstream/1.1.11upstream

1 files changed, 111 insertions, 0 deletions

diff --git a/libhfs_iso/low.h b/libhfs_iso/low.h
new file mode 100644
index 0000000..4434444
--- /dev/null
+++ b/libhfs_iso/low.h
@@ -0,0 +1,111 @@
+/*
+ * 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.
+ *
+ */
+
+/* @(#)low.h	1.1 00/03/05 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.
+ */
+
+typedef struct {
+  Integer	sbSig;		/* device signature (should be 0x4552) */
+  Integer	sbBlkSize;	/* block size of the device (in bytes) */
+  LongInt	sbBlkCount;	/* number of blocks on the device */
+  Integer	sbDevType;	/* reserved */
+  Integer	sbDevId;	/* reserved */
+  LongInt	sbData;		/* reserved */
+  Integer	sbDrvrCount;	/* number of driver descriptor entries */
+  LongInt	ddBlock;	/* first driver's starting block */
+  Integer	ddSize;		/* size of the driver, in 512-byte blocks */
+  Integer	ddType;		/* driver operating system type (MacOS = 1) */
+  Integer	ddPad[243];	/* additional drivers, if any */
+} Block0;
+
+typedef struct {
+  Integer	bbID;		/* boot blocks signature */
+  LongInt	bbEntry;	/* entry point to boot code */
+  Integer	bbVersion;	/* boot blocks version number */
+  Integer	bbPageFlags;	/* used internally */
+  Str15		bbSysName;	/* System filename */
+  Str15		bbShellName;	/* Finder filename */
+  Str15		bbDbg1Name;	/* debugger filename */
+  Str15		bbDbg2Name;	/* debugger filename */
+  Str15		bbScreenName;	/* name of startup screen */
+  Str15		bbHelloName;	/* name of startup program */
+  Str15		bbScrapName;	/* name of system scrap file */
+  Integer	bbCntFCBs;	/* number of FCBs to allocate */
+  Integer	bbCntEvts;	/* number of event queue elements */
+  LongInt	bb128KSHeap;	/* system heap size on 128K Mac */
+  LongInt	bb256KSHeap;	/* used internally */
+  LongInt	bbSysHeapSize;	/* system heap size on all machines */
+  Integer	filler;		/* reserved */
+  LongInt	bbSysHeapExtra;	/* additional system heap space */
+  LongInt	bbSysHeapFract;	/* fraction of RAM for system heap */
+} BootBlkHdr;
+
+typedef struct {
+  Integer	pmSig;		/* partition signature (0x504d or 0x5453) */
+  Integer	pmSigPad;	/* reserved */
+  LongInt	pmMapBlkCnt;	/* number of blocks in partition map */
+  LongInt	pmPyPartStart;	/* first physical block of partition */
+  LongInt	pmPartBlkCnt;	/* number of blocks in partition */
+  Char		pmPartName[33];	/* partition name */
+  Char		pmParType[33];	/* partition type */
+  /*
+   * Apple_partition_map	partition map
+   * Apple_Driver		device driver
+   * Apple_Driver43		SCSI Manager 4.3 device driver
+   * Apple_MFS			Macintosh 64K ROM filesystem
+   * Apple_HFS			Macintosh hierarchical filesystem
+   * Apple_Unix_SVR2		Unix filesystem
+   * Apple_PRODOS		ProDOS filesystem
+   * Apple_Free			unused
+   * Apple_Scratch		empty
+   */
+  LongInt	pmLgDataStart;	/* first logical block of data area */
+  LongInt	pmDataCnt;	/* number of blocks in data area */
+  LongInt	pmPartStatus;	/* partition status information */
+  LongInt	pmLgBootStart;	/* first logical block of boot code */
+  LongInt	pmBootSize;	/* size of boot code, in bytes */
+  LongInt	pmBootAddr;	/* boot code load address */
+  LongInt	pmBootAddr2;	/* reserved */
+  LongInt	pmBootEntry;	/* boot code entry point */
+  LongInt	pmBootEntry2;	/* reserved */
+  LongInt	pmBootCksum;	/* boot code checksum */
+  Char		pmProcessor[17];/* processor type */
+  Integer	pmPad[188];	/* reserved */
+} Partition;
+
+int l_lockvol(hfsvol *);
+
+int l_readblock0(hfsvol *);
+int l_readpm(hfsvol *);
+
+int l_readmdb(hfsvol *);
+int l_writemdb(hfsvol *);
+
+int l_readvbm(hfsvol *);
+int l_writevbm(hfsvol *);