Thread: Information about disk

Originally posted by Salem
[B]
And what about the first parameter being NULL - what does that mean - the current disk, the 'windows' disk or what?

Null defaults it to the current folder's drive

Originally posted by Salem

> 20 GB is the capacity
From MSDN
The GetDiskFreeSpace function cannot report volume sizes that are greater than 2 GB. To ensure that your application works with large capacity hard drives, use the GetDiskFreeSpaceEx function.

Hmm....It always worked for me......and has done on the examples I just gave.... (1 drive 37.5GB and the other 8.5GB - both tested fine!)

Suppose I better keep that in mind next time I need to check disk size....

Code:

INT64 i64FreeBytesToCaller = 0, i64TotalBytes = 0, i64FreeBytes = 0;

if (GetDiskFreeSpaceEx (NULL, (PULARGE_INTEGER)&i64FreeBytesToCaller,
(PULARGE_INTEGER)&i64TotalBytes,
(PULARGE_INTEGER)&i64FreeBytes))
{
    printf ("Free space: %u GB", i64FreeBytes/1024/1024/1024);
    printf ("Capacity: %u GB", i64TotalBytes/1024/1024/1024);
}

This code is working now except that instead of a whole drive capacity I only get the partition capacity. Any ideas how to get the whole drive capacity with this function?

Originally posted by GaPe

Code:

INT64 i64FreeBytesToCaller = 0, i64TotalBytes = 0, i64FreeBytes = 0;

if (GetDiskFreeSpaceEx (NULL, (PULARGE_INTEGER)&i64FreeBytesToCaller,
(PULARGE_INTEGER)&i64TotalBytes,
(PULARGE_INTEGER)&i64FreeBytes))
{
    printf ("Free space: %u GB", i64FreeBytes/1024/1024/1024);
    printf ("Capacity: %u GB", i64TotalBytes/1024/1024/1024);
}

This code is working now except that instead of a whole drive capacity I only get the partition capacity. Any ideas how to get the whole drive capacity with this function?

with that function? no.

Which function is good for retrieving information of the large capacity drives?