// parttypes.cc
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// Class to manage partition type codes -- a slight variant on MBR type
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// codes, GUID type codes, and associated names.
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/* This program is copyright (c) 2009-2014 by Roderick W. Smith. It is distributed
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under the terms of the GNU GPL version 2, as detailed in the COPYING file. */
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#define __STDC_LIMIT_MACROS
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#ifndef __STDC_CONSTANT_MACROS
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#define __STDC_CONSTANT_MACROS
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#endif
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#include <string.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <iostream>
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#include "parttypes.h"
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using namespace std;
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int PartType::numInstances = 0;
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AType* PartType::allTypes = NULL;
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AType* PartType::lastType = NULL;
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// Constructor. Its main task is to initialize the data list, but only
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// if this is the first instance, since it's a static linked list.
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// Partition type codes are MBR type codes multiplied by 0x0100, with
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// additional related codes taking on following numbers. For instance,
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// the FreeBSD disklabel code in MBR is 0xa5; here, it's 0xa500, with
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// additional FreeBSD codes being 0xa501, 0xa502, and so on. This gives
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// related codes similar numbers and (given appropriate entry positions
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// in the linked list) keeps them together in the listings generated
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// by typing "L" at the main gdisk menu.
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PartType::PartType(void) : GUIDData() {
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numInstances++;
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if (numInstances == 1) {
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AddAllTypes();
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} // if
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} // default constructor
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PartType::PartType(const PartType & orig) : GUIDData(orig) {
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numInstances++;
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if (numInstances == 1) { // should never happen; just being paranoid
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AddAllTypes();
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} // if
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} // PartType copy constructor
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PartType::PartType(const GUIDData & orig) : GUIDData(orig) {
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numInstances++;
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if (numInstances == 1) {
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AddAllTypes();
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} // if
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} // PartType copy constructor
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PartType::~PartType(void) {
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AType* tempType;
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numInstances--;
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if (numInstances == 0) {
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while (allTypes != NULL) {
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tempType = allTypes;
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allTypes = allTypes->next;
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delete tempType;
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} // while
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} // if
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} // destructor
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// Add all partition type codes to the internal linked-list structure.
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// Used by constructors.
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// See http://www.win.tue.nl/~aeb/partitions/partition_types-1.html
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// for a list of MBR partition type codes.
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void PartType::AddAllTypes(void) {
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// Start with the "unused entry," which should normally appear only
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// on empty partition table entries....
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AddType(0x0000, "00000000-0000-0000-0000-000000000000", "Unused entry", 0);
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// DOS/Windows partition types, most of which are hidden from the "L" listing
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// (they're available mainly for MBR-to-GPT conversions).
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AddType(0x0100, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-12
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AddType(0x0400, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-16 < 32M
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AddType(0x0600, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-16
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AddType(0x0700, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 1); // NTFS (or HPFS)
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AddType(0x0b00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-32
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AddType(0x0c00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-32 LBA
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AddType(0x0c01, "E3C9E316-0B5C-4DB8-817D-F92DF00215AE", "Microsoft reserved");
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AddType(0x0e00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-16 LBA
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AddType(0x1100, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-12
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AddType(0x1400, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-16 < 32M
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AddType(0x1600, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-16
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AddType(0x1700, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden NTFS (or HPFS)
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AddType(0x1b00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-32
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AddType(0x1c00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-32 LBA
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AddType(0x1e00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-16 LBA
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AddType(0x2700, "DE94BBA4-06D1-4D40-A16A-BFD50179D6AC", "Windows RE");
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// Open Network Install Environment (ONIE) specific types.
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// See http://www.onie.org/ and
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// https://github.com/onie/onie/blob/master/rootconf/x86_64/sysroot-lib-onie/onie-blkdev-common
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AddType(0x3000, "7412F7D5-A156-4B13-81DC-867174929325", "ONIE boot");
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AddType(0x3001, "D4E6E2CD-4469-46F3-B5CB-1BFF57AFC149", "ONIE config");
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// PowerPC reference platform boot partition
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AddType(0x4100, "9E1A2D38-C612-4316-AA26-8B49521E5A8B", "PowerPC PReP boot");
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// Windows LDM ("dynamic disk") types
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AddType(0x4200, "AF9B60A0-1431-4F62-BC68-3311714A69AD", "Windows LDM data"); // Logical disk manager
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AddType(0x4201, "5808C8AA-7E8F-42E0-85D2-E1E90434CFB3", "Windows LDM metadata"); // Logical disk manager
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// An oddball IBM filesystem....
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AddType(0x7501, "37AFFC90-EF7D-4E96-91C3-2D7AE055B174", "IBM GPFS"); // General Parallel File System (GPFS)
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// ChromeOS-specific partition types...
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// Values taken from vboot_reference/firmware/lib/cgptlib/include/gpt.h in
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// ChromeOS source code, retrieved 12/23/2010. They're also at
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// http://www.chromium.org/chromium-os/chromiumos-design-docs/disk-format.
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// These have no MBR equivalents, AFAIK, so I'm using 0x7Fxx values, since they're close
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// to the Linux values.
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AddType(0x7f00, "FE3A2A5D-4F32-41A7-B725-ACCC3285A309", "ChromeOS kernel");
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AddType(0x7f01, "3CB8E202-3B7E-47DD-8A3C-7FF2A13CFCEC", "ChromeOS root");
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AddType(0x7f02, "2E0A753D-9E48-43B0-8337-B15192CB1B5E", "ChromeOS reserved");
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// Linux-specific partition types....
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AddType(0x8200, "0657FD6D-A4AB-43C4-84E5-0933C84B4F4F", "Linux swap"); // Linux swap (or Solaris on MBR)
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AddType(0x8300, "0FC63DAF-8483-4772-8E79-3D69D8477DE4", "Linux filesystem"); // Linux native
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AddType(0x8301, "8DA63339-0007-60C0-C436-083AC8230908", "Linux reserved");
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// See http://www.freedesktop.org/software/systemd/man/systemd-gpt-auto-generator.html
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// and http://www.freedesktop.org/wiki/Specifications/DiscoverablePartitionsSpec/
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AddType(0x8302, "933AC7E1-2EB4-4F13-B844-0E14E2AEF915", "Linux /home"); // Linux /home (auto-mounted by systemd)
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AddType(0x8303, "44479540-F297-41B2-9AF7-D131D5F0458A", "Linux x86 root (/)"); // Linux / on x86 (auto-mounted by systemd)
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AddType(0x8304, "4F68BCE3-E8CD-4DB1-96E7-FBCAF984B709", "Linux x86-64 root (/)"); // Linux / on x86-64 (auto-mounted by systemd)
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AddType(0x8305, "B921B045-1DF0-41C3-AF44-4C6F280D3FAE", "Linux ARM64 root (/)"); // Linux / on 64-bit ARM (auto-mounted by systemd)
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AddType(0x8306, "3B8F8425-20E0-4F3B-907F-1A25A76F98E8", "Linux /srv"); // Linux /srv (auto-mounted by systemd)
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// Used by Intel Rapid Start technology
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AddType(0x8400, "D3BFE2DE-3DAF-11DF-BA40-E3A556D89593", "Intel Rapid Start");
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// Another Linux type code....
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AddType(0x8e00, "E6D6D379-F507-44C2-A23C-238F2A3DF928", "Linux LVM");
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// FreeBSD partition types....
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// Note: Rather than extract FreeBSD disklabel data, convert FreeBSD
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// partitions in-place, and let FreeBSD sort out the details....
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AddType(0xa500, "516E7CB4-6ECF-11D6-8FF8-00022D09712B", "FreeBSD disklabel");
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AddType(0xa501, "83BD6B9D-7F41-11DC-BE0B-001560B84F0F", "FreeBSD boot");
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AddType(0xa502, "516E7CB5-6ECF-11D6-8FF8-00022D09712B", "FreeBSD swap");
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AddType(0xa503, "516E7CB6-6ECF-11D6-8FF8-00022D09712B", "FreeBSD UFS");
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AddType(0xa504, "516E7CBA-6ECF-11D6-8FF8-00022D09712B", "FreeBSD ZFS");
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AddType(0xa505, "516E7CB8-6ECF-11D6-8FF8-00022D09712B", "FreeBSD Vinum/RAID");
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// Midnight BSD partition types....
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AddType(0xa580, "85D5E45A-237C-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD data");
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AddType(0xa581, "85D5E45E-237C-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD boot");
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AddType(0xa582, "85D5E45B-237C-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD swap");
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AddType(0xa583, "0394Ef8B-237E-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD UFS");
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AddType(0xa584, "85D5E45D-237C-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD ZFS");
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AddType(0xa585, "85D5E45C-237C-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD Vinum");
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// A MacOS partition type, separated from others by NetBSD partition types...
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AddType(0xa800, "55465300-0000-11AA-AA11-00306543ECAC", "Apple UFS"); // Mac OS X
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// NetBSD partition types. Note that the main entry sets it up as a
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// FreeBSD disklabel. I'm not 100% certain this is the correct behavior.
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AddType(0xa900, "516E7CB4-6ECF-11D6-8FF8-00022D09712B", "FreeBSD disklabel", 0); // NetBSD disklabel
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AddType(0xa901, "49F48D32-B10E-11DC-B99B-0019D1879648", "NetBSD swap");
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AddType(0xa902, "49F48D5A-B10E-11DC-B99B-0019D1879648", "NetBSD FFS");
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AddType(0xa903, "49F48D82-B10E-11DC-B99B-0019D1879648", "NetBSD LFS");
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AddType(0xa904, "2DB519C4-B10F-11DC-B99B-0019D1879648", "NetBSD concatenated");
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AddType(0xa905, "2DB519EC-B10F-11DC-B99B-0019D1879648", "NetBSD encrypted");
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AddType(0xa906, "49F48DAA-B10E-11DC-B99B-0019D1879648", "NetBSD RAID");
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// Mac OS partition types (See also 0xa800, above)....
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AddType(0xab00, "426F6F74-0000-11AA-AA11-00306543ECAC", "Apple boot");
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AddType(0xaf00, "48465300-0000-11AA-AA11-00306543ECAC", "Apple HFS/HFS+");
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AddType(0xaf01, "52414944-0000-11AA-AA11-00306543ECAC", "Apple RAID");
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AddType(0xaf02, "52414944-5F4F-11AA-AA11-00306543ECAC", "Apple RAID offline");
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AddType(0xaf03, "4C616265-6C00-11AA-AA11-00306543ECAC", "Apple label");
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AddType(0xaf04, "5265636F-7665-11AA-AA11-00306543ECAC", "AppleTV recovery");
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AddType(0xaf05, "53746F72-6167-11AA-AA11-00306543ECAC", "Apple Core Storage");
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// Solaris partition types (one of which is shared with MacOS)
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AddType(0xbe00, "6A82CB45-1DD2-11B2-99A6-080020736631", "Solaris boot");
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AddType(0xbf00, "6A85CF4D-1DD2-11B2-99A6-080020736631", "Solaris root");
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AddType(0xbf01, "6A898CC3-1DD2-11B2-99A6-080020736631", "Solaris /usr & Mac ZFS"); // Solaris/MacOS
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AddType(0xbf02, "6A87C46F-1DD2-11B2-99A6-080020736631", "Solaris swap");
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AddType(0xbf03, "6A8B642B-1DD2-11B2-99A6-080020736631", "Solaris backup");
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AddType(0xbf04, "6A8EF2E9-1DD2-11B2-99A6-080020736631", "Solaris /var");
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AddType(0xbf05, "6A90BA39-1DD2-11B2-99A6-080020736631", "Solaris /home");
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AddType(0xbf06, "6A9283A5-1DD2-11B2-99A6-080020736631", "Solaris alternate sector");
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AddType(0xbf07, "6A945A3B-1DD2-11B2-99A6-080020736631", "Solaris Reserved 1");
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AddType(0xbf08, "6A9630D1-1DD2-11B2-99A6-080020736631", "Solaris Reserved 2");
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AddType(0xbf09, "6A980767-1DD2-11B2-99A6-080020736631", "Solaris Reserved 3");
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AddType(0xbf0a, "6A96237F-1DD2-11B2-99A6-080020736631", "Solaris Reserved 4");
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AddType(0xbf0b, "6A8D2AC7-1DD2-11B2-99A6-080020736631", "Solaris Reserved 5");
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// I can find no MBR equivalents for these, but they're on the
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// Wikipedia page for GPT, so here we go....
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AddType(0xc001, "75894C1E-3AEB-11D3-B7C1-7B03A0000000", "HP-UX data");
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AddType(0xc002, "E2A1E728-32E3-11D6-A682-7B03A0000000", "HP-UX service");
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// See http://www.freedesktop.org/wiki/Specifications/BootLoaderSpec
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AddType(0xea00, "BC13C2FF-59E6-4262-A352-B275FD6F7172", "Freedesktop $BOOT");
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// Type code for Haiku; uses BeOS MBR code as hex code base
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AddType(0xeb00, "42465331-3BA3-10F1-802A-4861696B7521", "Haiku BFS");
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// Manufacturer-specific ESP-like partitions (in order in which they were added)
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AddType(0xed00, "F4019732-066E-4E12-8273-346C5641494F", "Sony system partition");
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AddType(0xed01, "BFBFAFE7-A34F-448A-9A5B-6213EB736C22", "Lenovo system partition");
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// EFI system and related partitions
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AddType(0xef00, "C12A7328-F81F-11D2-BA4B-00A0C93EC93B", "EFI System"); // Parted identifies these as having the "boot flag" set
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AddType(0xef01, "024DEE41-33E7-11D3-9D69-0008C781F39F", "MBR partition scheme"); // Used to nest MBR in GPT
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AddType(0xef02, "21686148-6449-6E6F-744E-656564454649", "BIOS boot partition"); // Used by GRUB
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// Ceph type codes; see https://github.com/ceph/ceph/blob/9bcc42a3e6b08521694b5c0228b2c6ed7b3d312e/src/ceph-disk#L76-L81
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AddType(0xf800, "4FBD7E29-9D25-41B8-AFD0-062C0CEFF05D", "Ceph OSD"); // Ceph Object Storage Daemon
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AddType(0xf801, "4FBD7E29-9D25-41B8-AFD0-5EC00CEFF05D", "Ceph dm-crypt OSD"); // Ceph Object Storage Daemon (encrypted)
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AddType(0xf802, "BFBFAFE7-A34F-448A-9A5B-6213EB736C22", "Ceph journal");
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AddType(0xf803, "45B0969E-9B03-4F30-B4C6-5EC00CEFF106", "Ceph dm-crypt journal");
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AddType(0xf804, "89C57F98-2FE5-4DC0-89C1-F3AD0CEFF2BE", "Ceph disk in creation");
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AddType(0xf805, "89C57F98-2FE5-4DC0-89C1-5EC00CEFF2BE", "Ceph dm-crypt disk in creation");
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// VMWare ESX partition types codes
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AddType(0xfb00, "AA31E02A-400F-11DB-9590-000C2911D1B8", "VMWare VMFS");
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AddType(0xfb01, "9198EFFC-31C0-11DB-8F78-000C2911D1B8", "VMWare reserved");
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AddType(0xfc00, "9D275380-40AD-11DB-BF97-000C2911D1B8", "VMWare kcore crash protection");
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// A straggler Linux partition type....
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AddType(0xfd00, "A19D880F-05FC-4D3B-A006-743F0F84911E", "Linux RAID");
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// Note: DO NOT use the 0xffff code; that's reserved to indicate an
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// unknown GUID type code.
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} // PartType::AddAllTypes()
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// Add a single type to the linked list of types. Returns 1 if operation
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// succeeds, 0 otherwise.
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int PartType::AddType(uint16_t mbrType, const char * guidData, const char * name,
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int toDisplay) {
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AType* tempType;
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int allOK = 1;
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tempType = new AType;
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if (tempType != NULL) {
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tempType->MBRType = mbrType;
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tempType->GUIDType = guidData;
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tempType->name = name;
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tempType->display = toDisplay;
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tempType->next = NULL;
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if (allTypes == NULL) { // first entry
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allTypes = tempType;
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} else {
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lastType->next = tempType;
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} // if/else
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lastType = tempType;
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} else {
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cerr << "Unable to allocate memory in PartType::AddType()! Partition type list will\n";
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cerr << "be incomplete!\n";
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allOK = 0;
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} // if/else
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return allOK;
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} // GUID::AddType(const char* variant)
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// Assignment operator by string. If the original string is short,
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// interpret it as a gdisk hex code; if it's longer, interpret it as
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// a direct entry of a GUID value. If a short string isn't a hex
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// number, do nothing.
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PartType & PartType::operator=(const string & orig) {
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uint32_t hexCode;
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if (orig.length() < 32) {
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if (IsHex(orig)) {
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sscanf(orig.c_str(), "%x", &hexCode);
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*this = hexCode;
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}
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} else {
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GUIDData::operator=(orig);
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} // if/else hexCode or GUID
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return *this;
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} // PartType::operator=(const char * orig)
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// Assignment from C-style string; rely on C++ casting....
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PartType & PartType::operator=(const char * orig) {
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return operator=((string) orig);
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} // PartType::operator=(const char * orig)
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// Assign a GUID based on my custom 2-byte (16-bit) MBR hex ID variant
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PartType & PartType::operator=(uint16_t ID) {
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AType* theItem = allTypes;
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int found = 0;
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// Now search the type list for a match to the ID....
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while ((theItem != NULL) && (!found)) {
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if (theItem->MBRType == ID) {
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GUIDData::operator=(theItem->GUIDType);
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found = 1;
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} else {
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theItem = theItem->next;
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} // if/else
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} // while
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if (!found) {
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// Assign a default value....
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operator=(DEFAULT_GPT_TYPE);
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cout.setf(ios::uppercase);
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cout.fill('0');
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cout << "Exact type match not found for type code ";
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cout.width(4);
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cout << hex << ID << "; assigning type code for\n'" << TypeName() << "'\n" << dec;
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cout.fill(' ');
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} // if (!found)
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return *this;
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} // PartType::operator=(uint16_t ID)
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// Return the English description of the partition type (e.g., "Linux filesystem")
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string PartType::TypeName(void) const {
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AType* theItem = allTypes;
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int found = 0;
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string typeName;
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while ((theItem != NULL) && (!found)) {
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if (theItem->GUIDType == *this) { // found it!
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typeName = theItem->name;
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found = 1;
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} else {
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theItem = theItem->next;
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} // if/else
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} // while
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if (!found) {
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typeName = "Unknown";
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} // if (!found)
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return typeName;
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} // PartType::TypeName()
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#ifdef USE_UTF16
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// Return the Unicode description of the partition type (e.g., "Linux filesystem")
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UnicodeString PartType::UTypeName(void) const {
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AType* theItem = allTypes;
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int found = 0;
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UnicodeString typeName;
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while ((theItem != NULL) && (!found)) {
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if (theItem->GUIDType == *this) { // found it!
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typeName = theItem->name.c_str();
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found = 1;
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} else {
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theItem = theItem->next;
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} // if/else
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} // while
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if (!found) {
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typeName = "Unknown";
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} // if (!found)
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return typeName;
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} // PartType::TypeName()
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#endif
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// Return the custom GPT fdisk 2-byte (16-bit) hex code for this GUID partition type
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// Note that this function ignores entries for which the display variable
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// is set to 0. This enables control of which values get returned when
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// there are multiple possibilities, but opens the algorithm up to the
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// potential for problems should the data in the list be bad.
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uint16_t PartType::GetHexType() const {
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AType* theItem = allTypes;
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int found = 0;
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uint16_t theID = 0xFFFF;
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while ((theItem != NULL) && (!found)) {
|
if ((theItem->GUIDType == *this) && (theItem->display == 1)) { // found it!
|
theID = theItem->MBRType;
|
found = 1;
|
} else {
|
theItem = theItem->next;
|
} // if/else
|
} // while
|
if (!found) {
|
theID = 0xFFFF;
|
} // if (!found)
|
return theID;
|
} // PartType::GetHex()
|
|
// Displays the available types and my extended MBR codes for same....
|
// Note: This function assumes an 80-column display. On wider displays,
|
// it stops at under 80 columns; on narrower displays, lines will wrap
|
// in an ugly way. The maxLines value is the maximum number of lines
|
// to display before prompting to continue, or 0 (or a negative value)
|
// for no limit.
|
void PartType::ShowAllTypes(int maxLines) const {
|
int colCount = 1, lineCount = 1;
|
size_t i;
|
AType* thisType = allTypes;
|
string line;
|
|
cout.unsetf(ios::uppercase);
|
while (thisType != NULL) {
|
if (thisType->display == 1) { // show it
|
cout.fill('0');
|
cout.width(4);
|
cout << hex << thisType->MBRType << " ";
|
cout << thisType->name.substr(0, 20);
|
for (i = 0; i < (20 - (thisType->name.substr(0, 20).length())); i++)
|
cout << " ";
|
if ((colCount % 3) == 0) {
|
if (thisType->next) {
|
cout << "\n";
|
if ((maxLines > 0) && (lineCount++ % maxLines) == 0) {
|
cout << "Press the <Enter> key to see more codes: ";
|
getline(cin, line);
|
} // if reached screen line limit
|
} // if there's another entry following this one
|
} else {
|
cout << " ";
|
}
|
colCount++;
|
} // if
|
thisType = thisType->next;
|
} // while
|
cout.fill(' ');
|
cout << "\n" << dec;
|
} // PartType::ShowAllTypes(int maxLines)
|
|
// Returns 1 if code is a valid extended MBR code, 0 if it's not
|
int PartType::Valid(uint16_t code) const {
|
AType* thisType = allTypes;
|
int found = 0;
|
|
while ((thisType != NULL) && (!found)) {
|
if (thisType->MBRType == code) {
|
found = 1;
|
} // if
|
thisType = thisType->next;
|
} // while
|
return found;
|
} // PartType::Valid()
|
