Added files for 0.7.0

1 files changed, 111 insertions, 0 deletions

diff --git a/mbrpart.h b/mbrpart.h
new file mode 100644
index 0000000..4d84e7a
--- /dev/null
+++ b/mbrpart.h
@@ -0,0 +1,111 @@
+/*
+    MBRPart class, part of GPT fdisk program family.
+    Copyright (C) 2011  Roderick W. Smith
+
+    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.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef MBRPART_H
+#define MBRPART_H
+
+#include <stdint.h>
+
+#define MAX_HEADS 255        /* numbered 0 - 254 */
+#define MAX_SECSPERTRACK 63  /* numbered 1 - 63 */
+#define MAX_CYLINDERS 1024   /* numbered 0 - 1023 */
+
+#define NONE 0    /* don't include partition when writing */
+#define PRIMARY 1 /* write partition as primary */
+#define LOGICAL 2 /* write partition as logical */
+#define EBR 4     /* sector is used as an EBR or MBR */
+#define INVALID 8 /* sector number is too large for disk */
+
+using namespace std;
+
+// Data for a single MBR partition record
+// Note that firstSector and lastSector are in CHS addressing, which
+// splits the bits up in a weird way.
+// On read or write of MBR entries, firstLBA is an absolute disk sector.
+// On read of logical entries, it's relative to the EBR record for that
+// partition. When writing EBR records, it's relative to the extended
+// partition's start.
+#pragma pack(1)
+struct MBRRecord {
+   uint8_t status;
+   uint8_t firstSector[3];
+   uint8_t partitionType;
+   uint8_t lastSector[3];
+   uint32_t firstLBA; // see above
+   uint32_t lengthLBA;
+}; // struct MBRRecord
+
+class MBRPart {
+protected:
+   uint8_t status;
+   uint8_t firstSector[3];
+   uint8_t partitionType;
+   uint8_t lastSector[3];
+   uint32_t firstLBA; // see above
+   uint32_t lengthLBA;
+   int includeAs; // PRIMARY, LOGICAL, or NONE
+   int canBeLogical;
+   int canBePrimary;
+   static uint32_t numHeads;
+   static uint32_t numSecspTrack;
+   static uint64_t diskSize;
+   static uint32_t blockSize;
+   static int numInstances;
+
+public:
+    MBRPart();
+    MBRPart(const MBRPart& other);
+    virtual ~MBRPart();
+    virtual MBRPart& operator=(const MBRPart& orig);
+    virtual MBRPart& operator=(const struct MBRRecord& orig);
+
+    // Set information on partitions or disks...
+    void SetGeometry(uint32_t heads, uint32_t sectors, uint64_t diskSize, uint32_t blockSize);
+    void Empty(void);
+    void SetStartLBA(uint64_t s);
+    void SetLengthLBA(uint64_t l);
+    void SetLocation(uint64_t start, uint64_t length);
+    int SetType(uint8_t typeCode, int isExtended = 0);
+    void SetStatus(uint8_t s) {status = s;}
+    void SetInclusion(int status = PRIMARY) {includeAs = status;}
+    void SetCanBeLogical(int c) {canBeLogical = c;}
+    void SetCanBePrimary(int c) {canBePrimary = c;}
+    void StoreInStruct(struct MBRRecord *theStruct);
+
+    // Get information on partitions or disk....
+    uint8_t GetType(void) {return partitionType;}
+    uint8_t GetStatus(void) {return status;}
+    uint64_t GetStartLBA(void) {return firstLBA;}
+    uint64_t GetLengthLBA(void) {return lengthLBA;}
+    uint64_t GetLastLBA(void) const;
+    uint8_t GetInclusion(void) {return includeAs;}
+    int CanBeLogical(void) {return canBeLogical;}
+    int CanBePrimary(void) {return canBePrimary;}
+    int DoTheyOverlap (const MBRPart& other);
+
+    // Adjust information on partitions or disks...
+    void RecomputeCHS(void);
+    int LBAtoCHS(uint32_t lba, uint8_t * chs);
+    void ReverseByteOrder(void);
+
+    // User I/O...
+    void ShowData(int isGpt);
+}; // MBRPart
+
+#endif // MBRPART_H