1 /*
2  *  KCemu -- The emulator for the KC85 homecomputer series and much more.
3  *  Copyright (C) 1997-2010 Torsten Paul
4  *
5  *  This program is free software; you can redistribute it and/or modify
6  *  it under the terms of the GNU General Public License as published by
7  *  the Free Software Foundation; either version 2 of the License, or
8  *  (at your option) any later version.
9  *
10  *  This program is distributed in the hope that it will be useful,
11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  *  GNU General Public License for more details.
14  *
15  *  You should have received a copy of the GNU General Public License along
16  *  with this program; if not, write to the Free Software Foundation, Inc.,
17  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 
20 #include <sys/statvfs.h>
21 
22 #include "kc/config.h"
23 #include "sys/sysdep.h"
24 
25 int
sys_getdiskinfo(const char * path,unsigned long * total,unsigned long * available,unsigned short * block_size)26 sys_getdiskinfo(const char *path, unsigned long *total, unsigned long *available, unsigned short *block_size)
27 {
28   struct statvfs buf;
29 
30   if (statvfs(path, &buf) == 0)
31     {
32       unsigned long long free = (unsigned long long) buf.f_bavail * buf.f_bsize;
33       unsigned long long size = (unsigned long long) buf.f_blocks * buf.f_frsize;
34       *available = free > 0xffffffffUL ? 0xffffffffUL : free;
35       *total = size > 0xffffffffUL ? 0xffffffffUL : total;
36       *block_size = buf.f_bsize;
37       return 0;
38     }
39   else
40     {
41       *total = 0;
42       *available = 0;
43       *block_size = 0;
44       return -1;
45     }
46 }
47