minix/lib/libhgfs/info.c

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/* Part of libhgfs - (c) 2009, D.C. van Moolenbroek */
#include "inc.h"
/*===========================================================================*
* hgfs_queryvol *
*===========================================================================*/
int hgfs_queryvol(char *path, u64_t *free, u64_t *total)
{
/* Retrieve information about available and total volume space associated with
* a given path.
*/
u32_t lo, hi;
int r;
RPC_REQUEST(HGFS_REQ_QUERYVOL);
path_put(path);
/* It appears that this call always fails with EACCES ("permission denied")
* on read-only folders. As far as I can tell, this is a VMware bug.
*/
if ((r = rpc_query()) != OK)
return r;
lo = RPC_NEXT32;
hi = RPC_NEXT32;
*free = make64(lo, hi);
lo = RPC_NEXT32;
hi = RPC_NEXT32;
*total = make64(lo, hi);
return OK;
}