arch/dos/disk.c

   1 #include <dos.h>
   2 #include <limits.h>
   3 #include "types.h"
   4 #include "error.h"
   5
   6 unsigned long getdiskfree() {
   7         struct diskfree_t dfree;
   8         unsigned drive;
   9
  10         _dos_getdrive(&drive);
  11         if (!_dos_getdiskfree(drive, &dfree))
  12                 return dfree.avail_clusters * dfree.sectors_per_cluster * dfree.bytes_per_sector;
  13         else {
  14                 Int3();         // get MARK A!!!!!
  15                 return ULONG_MAX;                                       // make be biggest it can be
  16         }
  17 }