home *** CD-ROM | disk | FTP | other *** search
- /*---------------------------------------------------------------------------
- * filename - _chdrive.cas
- *
- * function(s)
- * _chdrive - change the current working drive
- * _getrive - get the current working drive
- *--------------------------------------------------------------------------*/
-
- /*
- * C/C++ Run Time Library - Version 5.0
- *
- * Copyright (c) 1990, 1992 by Borland International
- * All Rights Reserved.
- *
- */
-
-
- #include <dos.h>
-
- /*--------------------------------------------------------------------------*
-
- Name _chdrive - sets current drive
-
- Usage int _chdrive(int drive);
-
- Prototype in dir.h
-
- Description sets the current drive.
- 1 = A:, 2 = B:, 3 = C:; etc.
-
- Return value 0 if drive changed successfully, -1 if error.
-
- Note Compatible with MSC. Not the same as setdisk().
- *---------------------------------------------------------------------------*/
-
- int _chdrive(int drive)
- {
- int newdrive;
-
- _dos_setdrive((unsigned)drive,(unsigned *)&newdrive); /* set the drive */
- _dos_getdrive((unsigned *)&newdrive); /* get current drive */
- if (newdrive == drive) /* success? */
- return 0;
- else
- return -1; /* error, disk didn't change for some reason */
- }
-
- /*--------------------------------------------------------------------------*
-
- Name _getdrive - sets current drive
-
- Usage int _getdrive(int drive);
-
- Prototype in dir.h
-
- Description sets the current drive.
- 1 = A:, 2 = B:, 3 = C:; etc.
-
- Return value 0 if drive changed successfully, -1 if error.
-
- Note Compatible with MSC. Not the same as setdisk().
- *---------------------------------------------------------------------------*/
-
- int _getdrive()
- {
- int newdrive;
-
- _dos_getdrive((unsigned *)&newdrive); /* get current drive */
- return (newdrive);
- }
-