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[format] add large FAT32 support

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* Based on fat32format from Ridgecrop Consultants Ltd:
  http://www.ridgecrop.demon.co.uk/index.htm?fat32format.htm
* Initial implementation by Tom Ehlert of DriveSnapshot:
  http://www.drivesnapshot.de/en/index.htm
* Closes #101
This commit is contained in:
Pete Batard 2012-11-03 17:40:33 +00:00
parent 8dc5429d9f
commit 22800bb8a5
6 changed files with 473 additions and 29 deletions
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51
src/format.h
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@ -1,6 +1,7 @@
/*
* Rufus: The Reliable USB Formatting Utility
* Formatting function calls
* Copyright (c) 2007-2009 Tom Thornhill/Ridgecrop
* Copyright (c) 2011-2012 Pete Batard <pete@akeo.ie>
*
* This program is free software: you can redistribute it and/or modify
@ -103,3 +104,53 @@ typedef BOOLEAN (WINAPI* EnableVolumeCompression_t)(
WCHAR* DriveRoot,
ULONG CompressionFlags // FILE_SYSTEM_PROP_FLAG
);
/* Large FAT32 */
#pragma pack(push, 1)
typedef struct tagFAT_BOOTSECTOR32
{
// Common fields.
BYTE sJmpBoot[3];
BYTE sOEMName[8];
WORD wBytsPerSec;
BYTE bSecPerClus;
WORD wRsvdSecCnt;
BYTE bNumFATs;
WORD wRootEntCnt;
WORD wTotSec16; // if zero, use dTotSec32 instead
BYTE bMedia;
WORD wFATSz16;
WORD wSecPerTrk;
WORD wNumHeads;
DWORD dHiddSec;
DWORD dTotSec32;
// Fat 32/16 only
DWORD dFATSz32;
WORD wExtFlags;
WORD wFSVer;
DWORD dRootClus;
WORD wFSInfo;
WORD wBkBootSec;
BYTE Reserved[12];
BYTE bDrvNum;
BYTE Reserved1;
BYTE bBootSig; // == 0x29 if next three fields are ok
DWORD dBS_VolID;
BYTE sVolLab[11];
BYTE sBS_FilSysType[8];
} FAT_BOOTSECTOR32;
typedef struct {
DWORD dLeadSig; // 0x41615252
BYTE sReserved1[480]; // zeros
DWORD dStrucSig; // 0x61417272
DWORD dFree_Count; // 0xFFFFFFFF
DWORD dNxt_Free; // 0xFFFFFFFF
BYTE sReserved2[12]; // zeros
DWORD dTrailSig; // 0xAA550000
} FAT_FSINFO;
#pragma pack(pop)
#define die(msg, err) do { uprintf(msg); \
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|err; \
goto out; } while(0)