After further consideration, I will be suspending development of the CheckHDD
utility.
I think that the functionality built into the vinfo utility should be
sufficient for the
FreeDOS installer to determine a course of action.
example:
vinfo /dC
returns the following ERRORLEVEL codes, and what that means:
15 - Not Present
Meaning:
DOS does not see such a drive for that letter.
Reasons:
A hard drive either does not exist or
the hard drive is not partitioned or
no partitions usable by DOS exist.
Action:
Partition Hard Drive.
5 - Not Formatted (for DOS)
Meaning:
A drive exists for drive, but cannot be read.
Reasons:
Drive is not formatted or is formatted with
wrong filesystem.
Action:
Format Hard Disk Drive
4 - Network Drive (untested)
Meaning:
DOS reports this drive as a remote filesystem.
Reasons:
See errorlevel 15.
Action:
See errrorlevel 15
3 - CD/DVD-ROM (MSCDEX Only, most report error 15)
Note:
FreeDOS’s default CD driver will not respond to
this function. So, a CD/DVD on FreeDOS will
respond with errorlevel 15.
Meaning:
DOS reports this drive as a CD/DVD-ROM drive.
Reasons:
See errorlevel 15.
Action:
See errrorlevel 15
2 - Removable Media (like Floppy)
Note:
Fake floppy B in a single floppy system will
report errorlevel 15.
Except, when booting from CD and floppy A is
remapped to
Floppy B. Then it will report errorlevel 2 for
floppy B.
Meaning:
DOS reports this drive uses removable media.
Reasons:
see errorlevel 15
Action:
unless testing a floppy with info /dA or /dB,
see errorlevel 15
0 - No Special Conditions
Drive exists and is a local hard drive and is
readable by DOS.
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