| /* This program is copyright (c) 2009 by Roderick W. Smith. It is distributed |
| under the terms of the GNU GPL version 2, as detailed in the COPYING file. */ |
| |
| #include <stdint.h> |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #ifndef __GPTSUPPORT |
| #define __GPTSUPPORT |
| |
| #if defined (__FreeBSD__) || defined (__APPLE__) |
| // Darwin (Mac OS) only: disk IOCTLs are different, and there is no lseek64 |
| // This used to use __DARWIN_UNIX03 rather than __APPLE__, but __APPLE__ |
| // is more general. If the code fails to work on older versions of OS X/ |
| // Darwin, this may need to be changed back (and in various .cc files). |
| #include <sys/disk.h> |
| #define lseek64 lseek |
| #endif |
| |
| // Linux only.... |
| #ifdef __linux__ |
| #include <linux/fs.h> |
| #endif |
| |
| /* #ifdef __FreeBSD__ |
| #define fstat64 fstat |
| #define stat64 stat |
| #endif */ |
| |
| // Set this as a default |
| #define SECTOR_SIZE UINT32_C(512) |
| |
| // Signatures for Apple (APM) disks, multiplied by 0x100000000 |
| #define APM_SIGNATURE1 UINT64_C(0x00004D5000000000) |
| #define APM_SIGNATURE2 UINT64_C(0x0000535400000000) |
| |
| /************************** |
| * Some GPT constants.... * |
| **************************/ |
| |
| #define GPT_SIGNATURE UINT64_C(0x5452415020494645) |
| |
| // Number and size of GPT entries... |
| #define NUM_GPT_ENTRIES 128 |
| #define GPT_SIZE 128 |
| #define HEADER_SIZE UINT32_C(92) |
| #define GPT_RESERVED 420 |
| #define NAME_SIZE 72 |
| |
| using namespace std; |
| |
| // a GUID |
| struct GUIDData { |
| uint64_t data1; |
| uint64_t data2; |
| }; // struct GUIDData |
| |
| static char theFile[255]; |
| |
| int GetNumber(int low, int high, int def, const char prompt[]); |
| char GetYN(void); |
| uint64_t GetSectorNum(uint64_t low, uint64_t high, uint64_t def, char prompt[]); |
| char* BytesToSI(uint64_t size, char theValue[]); |
| char* GUIDToStr(struct GUIDData theGUID, char* theString); |
| GUIDData GetGUID(void); |
| int IsLittleEndian(void); // Returns 1 if CPU is little-endian, 0 if it's big-endian |
| void ReverseBytes(void* theValue, int numBytes); // Reverses byte-order of theValue |
| uint64_t PowerOf2(int value); |
| |
| #endif |