lib/libhgfs/info.c

   1 /* Part of libhgfs - (c) 2009, D.C. van Moolenbroek */
   2
   3 #include "inc.h"
   4
   5 /*===========================================================================*
   6  *                              hgfs_queryvol                                *
   7  *===========================================================================*/
   8 int hgfs_queryvol(path, free, total)
   9 char *path;
  10 u64_t *free;
  11 u64_t *total;
  12 {
  13 /* Retrieve information about available and total volume space associated with
  14  * a given path.
  15  */
  16   u32_t lo, hi;
  17   int r;
  18
  19   RPC_REQUEST(HGFS_REQ_QUERYVOL);
  20
  21   path_put(path);
  22
  23   /* It appears that this call always fails with EACCES ("permission denied")
  24    * on read-only folders. As far as I can tell, this is a VMware bug.
  25    */
  26   if ((r = rpc_query()) != OK)
  27         return r;
  28
  29   lo = RPC_NEXT32;
  30   hi = RPC_NEXT32;
  31   *free = make64(lo, hi);
  32
  33   lo = RPC_NEXT32;
  34   hi = RPC_NEXT32;
  35   *total = make64(lo, hi);
  36
  37   return OK;
  38 }