uniqueid.c File Reference

#include "diskpart.h"
#include <debug.h>

Include dependency graph for uniqueid.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
BOOL	UniqueIdDisk (_In_ INT argc, _In_ PWSTR *argv)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 11 of file uniqueid.c.

Function Documentation

UniqueIdDisk()

BOOL UniqueIdDisk	(	_In_ INT	argc,
		_In_ PWSTR *	argv
	)

Definition at line 17 of file uniqueid.c.

{
    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;
}