reactos/base/system/diskpart/uniqueid.c
2022-06-07 19:42:09 +02:00

72 lines
1.6 KiB
C

/*
* PROJECT: ReactOS DiskPart
* LICENSE: GPL - See COPYING in the top level directory
* FILE: base/system/diskpart/uniqueid.c
* PURPOSE: Manages all the partitions of the OS in an interactive way.
* PROGRAMMERS: Lee Schroeder
*/
#include "diskpart.h"
#define NDEBUG
#include <debug.h>
/* FUNCTIONS ******************************************************************/
BOOL
UniqueIdDisk(
_In_ INT argc,
_In_ PWSTR *argv)
{
PWSTR pszSuffix = NULL;
ULONG ulValue;
if (CurrentDisk == NULL)
{
ConResPuts(StdOut, IDS_SELECT_NO_DISK);
return TRUE;
}
if (argc == 2)
{
ConPuts(StdOut, L"\n");
ConPrintf(StdOut, L"Disk ID: %08lx\n", CurrentDisk->LayoutBuffer->Signature);
ConPuts(StdOut, L"\n");
return TRUE;
}
if (argc != 3)
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return TRUE;
}
if (!HasPrefix(argv[2], L"ID=", &pszSuffix))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return TRUE;
}
if ((pszSuffix == NULL) ||
(wcslen(pszSuffix) != 8) ||
(IsHexString(pszSuffix) == FALSE))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return TRUE;
}
ulValue = wcstoul(pszSuffix, NULL, 16);
if ((ulValue == 0) && (errno == ERANGE))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return TRUE;
}
DPRINT("New Signature: 0x%08lx\n", ulValue);
CurrentDisk->LayoutBuffer->Signature = ulValue;
CurrentDisk->Dirty = TRUE;
UpdateDiskLayout(CurrentDisk);
WritePartitions(CurrentDisk);
return TRUE;
}