lib/msvcrt/direct/getdfree.c

   1 #include <windows.h>
   2 #include <msvcrt/ctype.h>
   3 #include <msvcrt/direct.h>
   4
   5
   6 unsigned int _getdiskfree(unsigned int _drive, struct _diskfree_t *_diskspace)
   7 {
   8         char RootPathName[10];
   9         RootPathName[0] = toupper(_drive +'@');
  10         RootPathName[1] = ':';
  11         RootPathName[2] = '\\';
  12         RootPathName[3] = 0;
  13         if ( _diskspace == NULL )
  14                 return 0;
  15
  16         if ( !GetDiskFreeSpaceA(RootPathName,(LPDWORD)&_diskspace->sectors_per_cluster,(LPDWORD)&_diskspace->bytes_per_sector,
  17                         (LPDWORD )&_diskspace->avail_clusters,(LPDWORD )&_diskspace->total_clusters ) )
  18                 return 0;
  19         return _diskspace->avail_clusters;
  20 }