public static DiskSpaceResult GetFreeDiskSpace(string pathToCheck, DriveInfo[] driveInfo)
{
if (string.IsNullOrEmpty(pathToCheck))
{
return(null);
}
if (PlatformDetails.RunningOnPosix)
{
var statvfs = default(Statvfs);
if (Syscall.statvfs(pathToCheck, ref statvfs) != 0)
{
return(null);
}
return(new DiskSpaceResult
{
DriveName = Syscall.GetRootMountString(pathToCheck),
TotalFreeSpace = new Size((long)(statvfs.f_bsize * statvfs.f_bfree), SizeUnit.Bytes),
TotalSize = new Size((long)(statvfs.f_bsize * statvfs.f_blocks), SizeUnit.Bytes)
});
}
if (Path.IsPathRooted(pathToCheck) && pathToCheck.StartsWith("\\\\") == false)
{
var root = Path.GetPathRoot(pathToCheck);
foreach (var drive in driveInfo)
{
if (root.Contains(drive.Name) == false)
{
continue;
}
return(new DiskSpaceResult
{
DriveName = root,
TotalFreeSpace = new Size(drive.TotalFreeSpace, SizeUnit.Bytes),
TotalSize = new Size(drive.TotalSize, SizeUnit.Bytes)
});
}
return(null);
}
if (pathToCheck.StartsWith("\\\\"))
{
var uncRoot = Path.GetPathRoot(pathToCheck);
var success = GetDiskFreeSpaceEx(uncRoot, out ulong freeBytesAvailable, out ulong totalNumberOfBytes, out _);
if (success == false)
{
return(null);
}
return(new DiskSpaceResult
{
DriveName = uncRoot,
TotalFreeSpace = new Size((long)freeBytesAvailable, SizeUnit.Bytes),
TotalSize = new Size((long)totalNumberOfBytes, SizeUnit.Bytes)
});
}
return(null);
}