File: parttypes.cc

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// parttypes.cc
// Class to manage partition type codes -- a slight variant on MBR type
// codes, GUID type codes, and associated names.

/* This program is copyright (c) 2009-2018 by Roderick W. Smith. It is distributed
  under the terms of the GNU GPL version 2, as detailed in the COPYING file. */

#define __STDC_LIMIT_MACROS
#define __STDC_CONSTANT_MACROS

#include <string.h>
#include <stdint.h>
#include <stdio.h>
#include <iostream>
#include "parttypes.h"

using namespace std;

int PartType::numInstances = 0;
AType* PartType::allTypes = NULL;
AType* PartType::lastType = NULL;
const PartType PartType::unusedPartType = (GUIDData) "00000000-0000-0000-0000-000000000000";

#define SCREEN_WIDTH 80
#define NUM_COLUMNS 2
#define DESC_LENGTH (SCREEN_WIDTH - (6 * NUM_COLUMNS)) / NUM_COLUMNS

// Constructor. Its main task is to initialize the data list, but only
// if this is the first instance, since it's a static linked list.
// Partition type codes are MBR type codes multiplied by 0x0100, with
// additional related codes taking on following numbers. For instance,
// the FreeBSD disklabel code in MBR is 0xa5; here, it's 0xa500, with
// additional FreeBSD codes being 0xa501, 0xa502, and so on. This gives
// related codes similar numbers and (given appropriate entry positions
// in the linked list) keeps them together in the listings generated
// by typing "L" at the main gdisk menu.
PartType::PartType(void) : GUIDData() {
   numInstances++;
   if (numInstances == 1) {
      AddAllTypes();
   } // if
} // default constructor

PartType::PartType(const PartType & orig) : GUIDData(orig) {
   numInstances++;
   if (numInstances == 1) { // should never happen; just being paranoid
      AddAllTypes();
   } // if
} // PartType copy constructor

PartType::PartType(const GUIDData & orig) : GUIDData(orig) {
   numInstances++;
   if (numInstances == 1) {
      AddAllTypes();
   } // if
} // PartType copy constructor

PartType::~PartType(void) {
   AType* tempType;

   numInstances--;
   if (numInstances == 0) {
      while (allTypes != NULL) {
         tempType = allTypes;
         allTypes = allTypes->next;
         delete tempType;
      } // while
   } // if
} // destructor

// Add all partition type codes to the internal linked-list structure.
// Used by constructors.
// See http://www.win.tue.nl/~aeb/partitions/partition_types-1.html
// for a list of MBR partition type codes.
void PartType::AddAllTypes(void) {
   // Start with the "unused entry," which should normally appear only
   // on empty partition table entries....
   AddType(0x0000, "00000000-0000-0000-0000-000000000000", "Unused entry", 0);

   // DOS/Windows partition types, most of which are hidden from the "L" listing
   // (they're available mainly for MBR-to-GPT conversions).
   AddType(0x0100, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-12
   AddType(0x0400, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-16 < 32M
   AddType(0x0600, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-16
   AddType(0x0700, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 1); // NTFS (or HPFS)
   AddType(0x0b00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-32
   AddType(0x0c00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-32 LBA
   AddType(0x0c01, "E3C9E316-0B5C-4DB8-817D-F92DF00215AE", "Microsoft reserved");
   AddType(0x0e00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-16 LBA
   AddType(0x1100, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-12
   AddType(0x1400, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-16 < 32M
   AddType(0x1600, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-16
   AddType(0x1700, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden NTFS (or HPFS)
   AddType(0x1b00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-32
   AddType(0x1c00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-32 LBA
   AddType(0x1e00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-16 LBA
   AddType(0x2700, "DE94BBA4-06D1-4D40-A16A-BFD50179D6AC", "Windows RE");

   // Open Network Install Environment (ONIE) specific types.
   // See http://www.onie.org/ and
   // https://github.com/opencomputeproject/onie/blob/master/patches/gptfdisk/add-onie-partition-types.patch
   AddType(0x3000, "7412F7D5-A156-4B13-81DC-867174929325", "ONIE boot");
   AddType(0x3001, "D4E6E2CD-4469-46F3-B5CB-1BFF57AFC149", "ONIE config");

   // Plan 9; see http://man.cat-v.org/9front/8/prep
   AddType(0x3900, "C91818F9-8025-47AF-89D2-F030D7000C2C", "Plan 9");

   // PowerPC reference platform boot partition
   AddType(0x4100, "9E1A2D38-C612-4316-AA26-8B49521E5A8B", "PowerPC PReP boot");

   // Windows LDM ("dynamic disk") types
   AddType(0x4200, "AF9B60A0-1431-4F62-BC68-3311714A69AD", "Windows LDM data"); // Logical disk manager
   AddType(0x4201, "5808C8AA-7E8F-42E0-85D2-E1E90434CFB3", "Windows LDM metadata"); // Logical disk manager
   AddType(0x4202, "E75CAF8F-F680-4CEE-AFA3-B001E56EFC2D", "Windows Storage Spaces"); // A newer LDM-type setup

   // An oddball IBM filesystem....
   AddType(0x7501, "37AFFC90-EF7D-4E96-91C3-2D7AE055B174", "IBM GPFS"); // General Parallel File System (GPFS)

   // ChromeOS-specific partition types...
   // Values taken from vboot_reference/firmware/lib/cgptlib/include/gpt.h in
   // ChromeOS source code, retrieved 12/23/2010. They're also at
   // http://www.chromium.org/chromium-os/chromiumos-design-docs/disk-format.
   // These have no MBR equivalents, AFAIK, so I'm using 0x7Fxx values, since they're close
   // to the Linux values.
   AddType(0x7f00, "FE3A2A5D-4F32-41A7-B725-ACCC3285A309", "ChromeOS kernel");
   AddType(0x7f01, "3CB8E202-3B7E-47DD-8A3C-7FF2A13CFCEC", "ChromeOS root");
   AddType(0x7f02, "2E0A753D-9E48-43B0-8337-B15192CB1B5E", "ChromeOS reserved");

   // Linux-specific partition types....
   AddType(0x8200, "0657FD6D-A4AB-43C4-84E5-0933C84B4F4F", "Linux swap"); // Linux swap (or Solaris on MBR)
   AddType(0x8300, "0FC63DAF-8483-4772-8E79-3D69D8477DE4", "Linux filesystem"); // Linux native
   AddType(0x8301, "8DA63339-0007-60C0-C436-083AC8230908", "Linux reserved");
   // See https://www.freedesktop.org/software/systemd/man/systemd-gpt-auto-generator.html
   // and https://systemd.io/DISCOVERABLE_PARTITIONS
   AddType(0x8302, "933AC7E1-2EB4-4F13-B844-0E14E2AEF915", "Linux /home"); // Linux /home (auto-mounted by systemd)
   AddType(0x8303, "44479540-F297-41B2-9AF7-D131D5F0458A", "Linux x86 root (/)"); // Linux / on x86 (auto-mounted by systemd)
   AddType(0x8304, "4F68BCE3-E8CD-4DB1-96E7-FBCAF984B709", "Linux x86-64 root (/)"); // Linux / on x86-64 (auto-mounted by systemd)
   AddType(0x8305, "B921B045-1DF0-41C3-AF44-4C6F280D3FAE", "Linux ARM64 root (/)"); // Linux / on 64-bit ARM (auto-mounted by systemd)
   AddType(0x8306, "3B8F8425-20E0-4F3B-907F-1A25A76F98E8", "Linux /srv"); // Linux /srv (auto-mounted by systemd)
   AddType(0x8307, "69DAD710-2CE4-4E3C-B16C-21A1D49ABED3", "Linux ARM32 root (/)"); // Linux / on 32-bit ARM (auto-mounted by systemd)
   AddType(0x8308, "7FFEC5C9-2D00-49B7-8941-3EA10A5586B7", "Linux dm-crypt");
   AddType(0x8309, "CA7D7CCB-63ED-4C53-861C-1742536059CC", "Linux LUKS");
   AddType(0x830A, "993D8D3D-F80E-4225-855A-9DAF8ED7EA97", "Linux IA-64 root (/)"); // Linux / on Itanium (auto-mounted by systemd)
   AddType(0x830B, "D13C5D3B-B5D1-422A-B29F-9454FDC89D76", "Linux x86 root verity");
   AddType(0x830C, "2C7357ED-EBD2-46D9-AEC1-23D437EC2BF5", "Linux x86-64 root verity");
   AddType(0x830D, "7386CDF2-203C-47A9-A498-F2ECCE45A2D6", "Linux ARM32 root verity");
   AddType(0x830E, "DF3300CE-D69F-4C92-978C-9BFB0F38D820", "Linux ARM64 root verity");
   AddType(0x830F, "86ED10D5-B607-45BB-8957-D350F23D0571", "Linux IA-64 root verity");
   AddType(0x8310, "4D21B016-B534-45C2-A9FB-5C16E091FD2D", "Linux /var"); // Linux /var (auto-mounted by systemd)
   AddType(0x8311, "7EC6F557-3BC5-4ACA-B293-16EF5DF639D1", "Linux /var/tmp"); // Linux /var/tmp (auto-mounted by systemd)

   // Used by Intel Rapid Start technology
   AddType(0x8400, "D3BFE2DE-3DAF-11DF-BA40-E3A556D89593", "Intel Rapid Start");

   // Type codes for Container Linux (formerly CoreOS; https://coreos.com)
   AddType(0x8500, "5DFBF5F4-2848-4BAC-AA5E-0D9A20B745A6", "Container Linux /usr");
   AddType(0x8501, "3884DD41-8582-4404-B9A8-E9B84F2DF50E", "Container Linux resizable rootfs");
   AddType(0x8502, "C95DC21A-DF0E-4340-8D7B-26CBFA9A03E0", "Container Linux /OEM customizations");
   AddType(0x8503, "BE9067B9-EA49-4F15-B4F6-F36F8C9E1818", "Container Linux root on RAID");

   // Another Linux type code....
   AddType(0x8e00, "E6D6D379-F507-44C2-A23C-238F2A3DF928", "Linux LVM");

   // Android type codes....
   // from Wikipedia, https://gist.github.com/culots/704afd126dec2f45c22d0c9d42cb7fab,
   // and my own Android devices' partition tables
   AddType(0xa000, "2568845D-2332-4675-BC39-8FA5A4748D15", "Android bootloader");
   AddType(0xa001, "114EAFFE-1552-4022-B26E-9B053604CF84", "Android bootloader 2");
   AddType(0xa002, "49A4D17F-93A3-45C1-A0DE-F50B2EBE2599", "Android boot 1");
   AddType(0xa003, "4177C722-9E92-4AAB-8644-43502BFD5506", "Android recovery 1");
   AddType(0xa004, "EF32A33B-A409-486C-9141-9FFB711F6266", "Android misc");
   AddType(0xa005, "20AC26BE-20B7-11E3-84C5-6CFDB94711E9", "Android metadata");
   AddType(0xa006, "38F428E6-D326-425D-9140-6E0EA133647C", "Android system 1");
   AddType(0xa007, "A893EF21-E428-470A-9E55-0668FD91A2D9", "Android cache");
   AddType(0xa008, "DC76DDA9-5AC1-491C-AF42-A82591580C0D", "Android data");
   AddType(0xa009, "EBC597D0-2053-4B15-8B64-E0AAC75F4DB1", "Android persistent");
   AddType(0xa00a, "8F68CC74-C5E5-48DA-BE91-A0C8C15E9C80", "Android factory");
   AddType(0xa00b, "767941D0-2085-11E3-AD3B-6CFDB94711E9", "Android fastboot/tertiary");
   AddType(0xa00c, "AC6D7924-EB71-4DF8-B48D-E267B27148FF", "Android OEM");
   AddType(0xa00d, "C5A0AEEC-13EA-11E5-A1B1-001E67CA0C3C", "Android vendor");
   AddType(0xa00e, "BD59408B-4514-490D-BF12-9878D963F378", "Android config");
   AddType(0xa00f, "9FDAA6EF-4B3F-40D2-BA8D-BFF16BFB887B", "Android factory (alt)");
   AddType(0xa010, "19A710A2-B3CA-11E4-B026-10604B889DCF", "Android meta");
   AddType(0xa011, "193D1EA4-B3CA-11E4-B075-10604B889DCF", "Android EXT");
   AddType(0xa012, "DEA0BA2C-CBDD-4805-B4F9-F428251C3E98", "Android SBL1");
   AddType(0xa013, "8C6B52AD-8A9E-4398-AD09-AE916E53AE2D", "Android SBL2");
   AddType(0xa014, "05E044DF-92F1-4325-B69E-374A82E97D6E", "Android SBL3");
   AddType(0xa015, "400FFDCD-22E0-47E7-9A23-F16ED9382388", "Android APPSBL");
   AddType(0xa016, "A053AA7F-40B8-4B1C-BA08-2F68AC71A4F4", "Android QSEE/tz");
   AddType(0xa017, "E1A6A689-0C8D-4CC6-B4E8-55A4320FBD8A", "Android QHEE/hyp");
   AddType(0xa018, "098DF793-D712-413D-9D4E-89D711772228", "Android RPM");
   AddType(0xa019, "D4E0D938-B7FA-48C1-9D21-BC5ED5C4B203", "Android WDOG debug/sdi");
   AddType(0xa01a, "20A0C19C-286A-42FA-9CE7-F64C3226A794", "Android DDR");
   AddType(0xa01b, "A19F205F-CCD8-4B6D-8F1E-2D9BC24CFFB1", "Android CDT");
   AddType(0xa01c, "66C9B323-F7FC-48B6-BF96-6F32E335A428", "Android RAM dump");
   AddType(0xa01d, "303E6AC3-AF15-4C54-9E9B-D9A8FBECF401", "Android SEC");
   AddType(0xa01e, "C00EEF24-7709-43D6-9799-DD2B411E7A3C", "Android PMIC");
   AddType(0xa01f, "82ACC91F-357C-4A68-9C8F-689E1B1A23A1", "Android misc 1");
   AddType(0xa020, "E2802D54-0545-E8A1-A1E8-C7A3E245ACD4", "Android misc 2");
   AddType(0xa021, "65ADDCF4-0C5C-4D9A-AC2D-D90B5CBFCD03", "Android device info");
   AddType(0xa022, "E6E98DA2-E22A-4D12-AB33-169E7DEAA507", "Android APDP");
   AddType(0xa023, "ED9E8101-05FA-46B7-82AA-8D58770D200B", "Android MSADP");
   AddType(0xa024, "11406F35-1173-4869-807B-27DF71802812", "Android DPO");
   AddType(0xa025, "9D72D4E4-9958-42DA-AC26-BEA7A90B0434", "Android recovery 2");
   AddType(0xa026, "6C95E238-E343-4BA8-B489-8681ED22AD0B", "Android persist");
   AddType(0xa027, "EBBEADAF-22C9-E33B-8F5D-0E81686A68CB", "Android modem ST1");
   AddType(0xa028, "0A288B1F-22C9-E33B-8F5D-0E81686A68CB", "Android modem ST2");
   AddType(0xa029, "57B90A16-22C9-E33B-8F5D-0E81686A68CB", "Android FSC");
   AddType(0xa02a, "638FF8E2-22C9-E33B-8F5D-0E81686A68CB", "Android FSG 1");
   AddType(0xa02b, "2013373E-1AC4-4131-BFD8-B6A7AC638772", "Android FSG 2");
   AddType(0xa02c, "2C86E742-745E-4FDD-BFD8-B6A7AC638772", "Android SSD");
   AddType(0xa02d, "DE7D4029-0F5B-41C8-AE7E-F6C023A02B33", "Android keystore");
   AddType(0xa02e, "323EF595-AF7A-4AFA-8060-97BE72841BB9", "Android encrypt");
   AddType(0xa02f, "45864011-CF89-46E6-A445-85262E065604", "Android EKSST");
   AddType(0xa030, "8ED8AE95-597F-4C8A-A5BD-A7FF8E4DFAA9", "Android RCT");
   AddType(0xa031, "DF24E5ED-8C96-4B86-B00B-79667DC6DE11", "Android spare1");
   AddType(0xa032, "7C29D3AD-78B9-452E-9DEB-D098D542F092", "Android spare2");
   AddType(0xa033, "379D107E-229E-499D-AD4F-61F5BCF87BD4", "Android spare3");
   AddType(0xa034, "0DEA65E5-A676-4CDF-823C-77568B577ED5", "Android spare4");
   AddType(0xa035, "4627AE27-CFEF-48A1-88FE-99C3509ADE26", "Android raw resources");
   AddType(0xa036, "20117F86-E985-4357-B9EE-374BC1D8487D", "Android boot 2");
   AddType(0xa037, "86A7CB80-84E1-408C-99AB-694F1A410FC7", "Android FOTA");
   AddType(0xa038, "97D7B011-54DA-4835-B3C4-917AD6E73D74", "Android system 2");
   AddType(0xa039, "5594C694-C871-4B5F-90B1-690A6F68E0F7", "Android cache");
   AddType(0xa03a, "1B81E7E6-F50D-419B-A739-2AEEF8DA3335", "Android user data");
   AddType(0xa03b, "98523EC6-90FE-4C67-B50A-0FC59ED6F56D", "LG (Android) advanced flasher");
   AddType(0xa03c, "2644BCC0-F36A-4792-9533-1738BED53EE3", "Android PG1FS");
   AddType(0xa03d, "DD7C91E9-38C9-45C5-8A12-4A80F7E14057", "Android PG2FS");
   AddType(0xa03e, "7696D5B6-43FD-4664-A228-C563C4A1E8CC", "Android board info");
   AddType(0xa03f, "0D802D54-058D-4A20-AD2D-C7A362CEACD4", "Android MFG");
   AddType(0xa040, "10A0C19C-516A-5444-5CE3-664C3226A794", "Android limits");

   // Atari TOS partition type
   AddType(0xa200, "734E5AFE-F61A-11E6-BC64-92361F002671", "Atari TOS basic data");

   // FreeBSD partition types....
   // Note: Rather than extract FreeBSD disklabel data, convert FreeBSD
   // partitions in-place, and let FreeBSD sort out the details....
   AddType(0xa500, "516E7CB4-6ECF-11D6-8FF8-00022D09712B", "FreeBSD disklabel");
   AddType(0xa501, "83BD6B9D-7F41-11DC-BE0B-001560B84F0F", "FreeBSD boot");
   AddType(0xa502, "516E7CB5-6ECF-11D6-8FF8-00022D09712B", "FreeBSD swap");
   AddType(0xa503, "516E7CB6-6ECF-11D6-8FF8-00022D09712B", "FreeBSD UFS");
   AddType(0xa504, "516E7CBA-6ECF-11D6-8FF8-00022D09712B", "FreeBSD ZFS");
   AddType(0xa505, "516E7CB8-6ECF-11D6-8FF8-00022D09712B", "FreeBSD Vinum/RAID");

   // Midnight BSD partition types....
   AddType(0xa580, "85D5E45A-237C-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD data");
   AddType(0xa581, "85D5E45E-237C-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD boot");
   AddType(0xa582, "85D5E45B-237C-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD swap");
   AddType(0xa583, "0394Ef8B-237E-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD UFS");
   AddType(0xa584, "85D5E45D-237C-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD ZFS");
   AddType(0xa585, "85D5E45C-237C-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD Vinum");

   // OpenBSD partition type....
   AddType(0xa600, "824CC7A0-36A8-11E3-890A-952519AD3F61", "OpenBSD disklabel");

   // A MacOS partition type, separated from others by NetBSD partition types...
   AddType(0xa800, "55465300-0000-11AA-AA11-00306543ECAC", "Apple UFS"); // Mac OS X

   // NetBSD partition types. Note that the main entry sets it up as a
   // FreeBSD disklabel. I'm not 100% certain this is the correct behavior.
   AddType(0xa900, "516E7CB4-6ECF-11D6-8FF8-00022D09712B", "FreeBSD disklabel", 0); // NetBSD disklabel
   AddType(0xa901, "49F48D32-B10E-11DC-B99B-0019D1879648", "NetBSD swap");
   AddType(0xa902, "49F48D5A-B10E-11DC-B99B-0019D1879648", "NetBSD FFS");
   AddType(0xa903, "49F48D82-B10E-11DC-B99B-0019D1879648", "NetBSD LFS");
   AddType(0xa904, "2DB519C4-B10F-11DC-B99B-0019D1879648", "NetBSD concatenated");
   AddType(0xa905, "2DB519EC-B10F-11DC-B99B-0019D1879648", "NetBSD encrypted");
   AddType(0xa906, "49F48DAA-B10E-11DC-B99B-0019D1879648", "NetBSD RAID");

   // Mac OS partition types (See also 0xa800, above)....
   AddType(0xab00, "426F6F74-0000-11AA-AA11-00306543ECAC", "Recovery HD");
   AddType(0xaf00, "48465300-0000-11AA-AA11-00306543ECAC", "Apple HFS/HFS+");
   AddType(0xaf01, "52414944-0000-11AA-AA11-00306543ECAC", "Apple RAID");
   AddType(0xaf02, "52414944-5F4F-11AA-AA11-00306543ECAC", "Apple RAID offline");
   AddType(0xaf03, "4C616265-6C00-11AA-AA11-00306543ECAC", "Apple label");
   AddType(0xaf04, "5265636F-7665-11AA-AA11-00306543ECAC", "AppleTV recovery");
   AddType(0xaf05, "53746F72-6167-11AA-AA11-00306543ECAC", "Apple Core Storage");
   AddType(0xaf06, "B6FA30DA-92D2-4A9A-96F1-871EC6486200", "Apple SoftRAID Status");
   AddType(0xaf07, "2E313465-19B9-463F-8126-8A7993773801", "Apple SoftRAID Scratch");
   AddType(0xaf08, "FA709C7E-65B1-4593-BFD5-E71D61DE9B02", "Apple SoftRAID Volume");
   AddType(0xaf09, "BBBA6DF5-F46F-4A89-8F59-8765B2727503", "Apple SoftRAID Cache");
   AddType(0xaf0a, "7C3457EF-0000-11AA-AA11-00306543ECAC", "Apple APFS");

   // QNX Power-Safe (QNX6)
   AddType(0xb300, "CEF5A9AD-73BC-4601-89F3-CDEEEEE321A1", "QNX6 Power-Safe");

   // Acronis Secure Zone
   AddType(0xbc00, "0311FC50-01CA-4725-AD77-9ADBB20ACE98", "Acronis Secure Zone");

   // Solaris partition types (one of which is shared with MacOS)
   AddType(0xbe00, "6A82CB45-1DD2-11B2-99A6-080020736631", "Solaris boot");
   AddType(0xbf00, "6A85CF4D-1DD2-11B2-99A6-080020736631", "Solaris root");
   AddType(0xbf01, "6A898CC3-1DD2-11B2-99A6-080020736631", "Solaris /usr & Mac ZFS"); // Solaris/MacOS
   AddType(0xbf02, "6A87C46F-1DD2-11B2-99A6-080020736631", "Solaris swap");
   AddType(0xbf03, "6A8B642B-1DD2-11B2-99A6-080020736631", "Solaris backup");
   AddType(0xbf04, "6A8EF2E9-1DD2-11B2-99A6-080020736631", "Solaris /var");
   AddType(0xbf05, "6A90BA39-1DD2-11B2-99A6-080020736631", "Solaris /home");
   AddType(0xbf06, "6A9283A5-1DD2-11B2-99A6-080020736631", "Solaris alternate sector");
   AddType(0xbf07, "6A945A3B-1DD2-11B2-99A6-080020736631", "Solaris Reserved 1");
   AddType(0xbf08, "6A9630D1-1DD2-11B2-99A6-080020736631", "Solaris Reserved 2");
   AddType(0xbf09, "6A980767-1DD2-11B2-99A6-080020736631", "Solaris Reserved 3");
   AddType(0xbf0a, "6A96237F-1DD2-11B2-99A6-080020736631", "Solaris Reserved 4");
   AddType(0xbf0b, "6A8D2AC7-1DD2-11B2-99A6-080020736631", "Solaris Reserved 5");

   // I can find no MBR equivalents for these, but they're on the
   // Wikipedia page for GPT, so here we go....
   AddType(0xc001, "75894C1E-3AEB-11D3-B7C1-7B03A0000000", "HP-UX data");
   AddType(0xc002, "E2A1E728-32E3-11D6-A682-7B03A0000000", "HP-UX service");

   // Open Network Install Environment (ONIE) partitions....
   AddType(0xe100, "7412F7D5-A156-4B13-81DC-867174929325", "ONIE boot");
   AddType(0xe101, "D4E6E2CD-4469-46F3-B5CB-1BFF57AFC149", "ONIE config");

   // Veracrypt (https://www.veracrypt.fr/en/Home.html) encrypted partition
   AddType(0xe900, "8C8F8EFF-AC95-4770-814A-21994F2DBC8F", "Veracrypt data");

   // See http://www.freedesktop.org/wiki/Specifications/BootLoaderSpec
   AddType(0xea00, "BC13C2FF-59E6-4262-A352-B275FD6F7172", "Freedesktop $BOOT");

   // Type code for Haiku; uses BeOS MBR code as hex code base
   AddType(0xeb00, "42465331-3BA3-10F1-802A-4861696B7521", "Haiku BFS");

   // Manufacturer-specific ESP-like partitions (in order in which they were added)
   AddType(0xed00, "F4019732-066E-4E12-8273-346C5641494F", "Sony system partition");
   AddType(0xed01, "BFBFAFE7-A34F-448A-9A5B-6213EB736C22", "Lenovo system partition");

   // EFI system and related partitions
   AddType(0xef00, "C12A7328-F81F-11D2-BA4B-00A0C93EC93B", "EFI system partition"); // Parted identifies these as having the "boot flag" set
   AddType(0xef01, "024DEE41-33E7-11D3-9D69-0008C781F39F", "MBR partition scheme"); // Used to nest MBR in GPT
   AddType(0xef02, "21686148-6449-6E6F-744E-656564454649", "BIOS boot partition"); // Used by GRUB

   // Ceph type codes; see https://github.com/ceph/ceph/blob/9bcc42a3e6b08521694b5c0228b2c6ed7b3d312e/src/ceph-disk#L76-L81
   // and Wikipedia
   AddType(0xf800, "4FBD7E29-9D25-41B8-AFD0-062C0CEFF05D", "Ceph OSD"); // Ceph Object Storage Daemon
   AddType(0xf801, "4FBD7E29-9D25-41B8-AFD0-5EC00CEFF05D", "Ceph dm-crypt OSD"); // Ceph Object Storage Daemon (encrypted)
   AddType(0xf802, "45B0969E-9B03-4F30-B4C6-B4B80CEFF106", "Ceph journal");
   AddType(0xf803, "45B0969E-9B03-4F30-B4C6-5EC00CEFF106", "Ceph dm-crypt journal");
   AddType(0xf804, "89C57F98-2FE5-4DC0-89C1-F3AD0CEFF2BE", "Ceph disk in creation");
   AddType(0xf805, "89C57F98-2FE5-4DC0-89C1-5EC00CEFF2BE", "Ceph dm-crypt disk in creation");
   AddType(0xf806, "CAFECAFE-9B03-4F30-B4C6-B4B80CEFF106", "Ceph block");
   AddType(0xf807, "30CD0809-C2B2-499C-8879-2D6B78529876", "Ceph block DB");
   AddType(0xf808, "5CE17FCE-4087-4169-B7FF-056CC58473F9", "Ceph block write-ahead log");
   AddType(0xf809, "FB3AABF9-D25F-47CC-BF5E-721D1816496B", "Ceph lockbox for dm-crypt keys");
   AddType(0xf80a, "4FBD7E29-8AE0-4982-BF9D-5A8D867AF560", "Ceph multipath OSD");
   AddType(0xf80b, "45B0969E-8AE0-4982-BF9D-5A8D867AF560", "Ceph multipath journal");
   AddType(0xf80c, "CAFECAFE-8AE0-4982-BF9D-5A8D867AF560", "Ceph multipath block 1");
   AddType(0xf80d, "7F4A666A-16F3-47A2-8445-152EF4D03F6C", "Ceph multipath block 2");
   AddType(0xf80e, "EC6D6385-E346-45DC-BE91-DA2A7C8B3261", "Ceph multipath block DB");
   AddType(0xf80f, "01B41E1B-002A-453C-9F17-88793989FF8F", "Ceph multipath block write-ahead log");
   AddType(0xf810, "CAFECAFE-9B03-4F30-B4C6-5EC00CEFF106", "Ceph dm-crypt block");
   AddType(0xf811, "93B0052D-02D9-4D8A-A43B-33A3EE4DFBC3", "Ceph dm-crypt block DB");
   AddType(0xf812, "306E8683-4FE2-4330-B7C0-00A917C16966", "Ceph dm-crypt block write-ahead log");
   AddType(0xf813, "45B0969E-9B03-4F30-B4C6-35865CEFF106", "Ceph dm-crypt LUKS journal");
   AddType(0xf814, "CAFECAFE-9B03-4F30-B4C6-35865CEFF106", "Ceph dm-crypt LUKS block");
   AddType(0xf815, "166418DA-C469-4022-ADF4-B30AFD37F176", "Ceph dm-crypt LUKS block DB");
   AddType(0xf816, "86A32090-3647-40B9-BBBD-38D8C573AA86", "Ceph dm-crypt LUKS block write-ahead log");
   AddType(0xf817, "4FBD7E29-9D25-41B8-AFD0-35865CEFF05D", "Ceph dm-crypt LUKS OSD");

   // VMWare ESX partition types codes
   AddType(0xfb00, "AA31E02A-400F-11DB-9590-000C2911D1B8", "VMWare VMFS");
   AddType(0xfb01, "9198EFFC-31C0-11DB-8F78-000C2911D1B8", "VMWare reserved");
   AddType(0xfc00, "9D275380-40AD-11DB-BF97-000C2911D1B8", "VMWare kcore crash protection");

   // A straggler Linux partition type....
   AddType(0xfd00, "A19D880F-05FC-4D3B-A006-743F0F84911E", "Linux RAID");

   // Note: DO NOT use the 0xffff code; that's reserved to indicate an
   // unknown GUID type code.
} // PartType::AddAllTypes()

// Add a single type to the linked list of types. Returns 1 if operation
// succeeds, 0 otherwise.
int PartType::AddType(uint16_t mbrType, const char * guidData, const char * name,
                      int toDisplay) {
   AType* tempType;
   int allOK = 1;

   tempType = new AType;
   if (tempType != NULL) {
      tempType->MBRType = mbrType;
      tempType->GUIDType = guidData;
      tempType->name = name;
      tempType->display = toDisplay;
      tempType->next = NULL;
      if (allTypes == NULL) { // first entry
         allTypes = tempType;
      } else {
         lastType->next = tempType;
      } // if/else
      lastType = tempType;
   } else {
      cerr << "Unable to allocate memory in PartType::AddType()! Partition type list will\n";
      cerr << "be incomplete!\n";
      allOK = 0;
   } // if/else
   return allOK;
} // GUID::AddType(const char* variant)

// Assignment operator by string. If the original string is short,
// interpret it as a gdisk hex code; if it's longer, interpret it as
// a direct entry of a GUID value. If a short string isn't a hex
// number, do nothing.
PartType & PartType::operator=(const string & orig) {
   uint32_t hexCode;

   if (orig.length() < 32) {
      if (IsHex(orig)) {
         sscanf(orig.c_str(), "%x", &hexCode);
         *this = hexCode;
      }
   } else {
      GUIDData::operator=(orig);
   } // if/else hexCode or GUID
   return *this;
} // PartType::operator=(const char * orig)

// Assignment from C-style string; rely on C++ casting....
PartType & PartType::operator=(const char * orig) {
   return operator=((string) orig);
} // PartType::operator=(const char * orig)

// Assign a GUID based on my custom 2-byte (16-bit) MBR hex ID variant
PartType & PartType::operator=(uint16_t ID) {
   AType* theItem = allTypes;
   int found = 0;

   // Now search the type list for a match to the ID....
   while ((theItem != NULL) && (!found)) {
      if (theItem->MBRType == ID)  {
         GUIDData::operator=(theItem->GUIDType);
         found = 1;
      } else {
         theItem = theItem->next;
      } // if/else
   } // while
   if (!found) {
      // Assign a default value....
      operator=(DEFAULT_GPT_TYPE);
      cout.setf(ios::uppercase);
      cout.fill('0');
      cout << "Exact type match not found for type code ";
      cout.width(4);
      cout << hex << ID << "; assigning type code for\n'" << TypeName() << "'\n" << dec;
      cout.fill(' ');
   } // if (!found)
   return *this;
} // PartType::operator=(uint16_t ID)

// Return the English description of the partition type (e.g., "Linux filesystem")
string PartType::TypeName(void) const {
   AType* theItem = allTypes;
   int found = 0;
   string typeName;

   while ((theItem != NULL) && (!found)) {
      if (theItem->GUIDType == *this) { // found it!
         typeName = theItem->name;
         found = 1;
      } else {
         theItem = theItem->next;
      } // if/else
   } // while
   if (!found) {
      typeName = "Unknown";
   } // if (!found)
   return typeName;
} // PartType::TypeName()

#ifdef USE_UTF16
// Return the Unicode description of the partition type (e.g., "Linux filesystem")
UnicodeString PartType::UTypeName(void) const {
   AType* theItem = allTypes;
   int found = 0;
   UnicodeString typeName;

   while ((theItem != NULL) && (!found)) {
      if (theItem->GUIDType == *this) { // found it!
         typeName = theItem->name.c_str();
         found = 1;
      } else {
         theItem = theItem->next;
      } // if/else
   } // while
   if (!found) {
      typeName = "Unknown";
   } // if (!found)
   return typeName;
} // PartType::TypeName()
#endif

// Return the custom GPT fdisk 2-byte (16-bit) hex code for this GUID partition type
// Note that this function ignores entries for which the display variable
// is set to 0. This enables control of which values get returned when
// there are multiple possibilities, but opens the algorithm up to the
// potential for problems should the data in the list be bad.
uint16_t PartType::GetHexType() const {
   AType* theItem = allTypes;
   int found = 0;
   uint16_t theID = 0xFFFF;

   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. If (maxLines > 0), this function will prompt for a
// substring to search for in the partition type description, so it's
// imperative that maxLines be set to 0 in non-interactive contexts
// (namely, sgdisk).
void PartType::ShowAllTypes(int maxLines) const {
   int colCount = 1, lineCount = 1;
   size_t i;
   AType* thisType = allTypes;
   string line, matchString = "";
   size_t found;

   cout.unsetf(ios::uppercase);
   if (maxLines > 0) {
      cout << "Type search string, or <Enter> to show all codes: ";
      matchString = ToLower(ReadString());
   } // if
   while (thisType != NULL) {
      found = ToLower(thisType->name).find(matchString);
      if ((thisType->display == 1) && (found != string::npos)) { // show it
         cout.fill('0');
         cout.width(4);
         cout << hex << thisType->MBRType << " ";
         cout << thisType->name.substr(0, DESC_LENGTH);
         for (i = 0; i < (DESC_LENGTH - (thisType->name.substr(0, DESC_LENGTH).length())); i++)
            cout << " ";
         if ((colCount % NUM_COLUMNS) == 0) {
            if (thisType->next) {
               cout << "\n";
               if ((maxLines > 0) && (lineCount++ % maxLines) == 0) {
                  cout << "Press the <Enter> key to see more codes, q to quit: ";
                  getline(cin, line);
                  if ((line[0] =='q') || (line[0] =='Q'))
                     break;
               } // 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()