sdk/lib/crt/direct/getdfree.c

   1 #include <precomp.h>
   2 #include <ctype.h>
   3 #include <direct.h>
   4
   5
   6 /*
   7  * @implemented
   8  */
   9 unsigned int _getdiskfree(unsigned int _drive, struct _diskfree_t* _diskspace)
  10 {
  11     char RootPathName[10];
  12
  13     RootPathName[0] = toupper(_drive +'@');
  14     RootPathName[1] = ':';
  15     RootPathName[2] = '\\';
  16     RootPathName[3] = 0;
  17     if (_diskspace == NULL)
  18         return 0;
  19     if (!GetDiskFreeSpaceA(RootPathName,(LPDWORD)&_diskspace->sectors_per_cluster,(LPDWORD)&_diskspace->bytes_per_sector,
  20             (LPDWORD )&_diskspace->avail_clusters,(LPDWORD )&_diskspace->total_clusters))
  21         return 0;
  22     return _diskspace->avail_clusters;
  23 }