[Overview][Constants][Types][Procedures and functions][Variables][Index] Reference for unit 'Dos' (#rtl)


Get total size of disk.


Source position: dosh.inc line 99

function DiskSize(

  drive: Byte



DiskSize returns the total size (in bytes) of a disk. The parameter Drive indicates which disk should be checked. This parameter is 1 for floppy a:, 2 for floppy b:, etc. A value of 0 returns the size of the current drive.

Remark: For Unix only: The diskfree and disksize functions need a file on the specified drive, since this is required for the statfs system call. These filenames are set in the initialization of the Dos unit, and have been preset to :

There is room for 1-26 drives. You can add a drive with the AddDisk procedure. These settings can be coded in dos.pp, in the initialization part.

For an example, see DiskFree.


-1 when a failure occurs, or an invalid drive number is given.

See also



Get free size on Disk.



Add disk definition to list if drives (Unix only)

Documentation generated on: Mar 17 2017