1 /* Return information about the filesystem on which FILE resides.  Linux/alpha.
2    Copyright (C) 1996-2022 Free Software Foundation, Inc.
3    This file is part of the GNU C Library.
4 
5    The GNU C Library is free software; you can redistribute it and/or
6    modify it under the terms of the GNU Lesser General Public
7    License as published by the Free Software Foundation; either
8    version 2.1 of the License, or (at your option) any later version.
9 
10    The GNU C Library 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 GNU
13    Lesser General Public License for more details.
14 
15    You should have received a copy of the GNU Lesser General Public
16    License along with the GNU C Library; if not, see
17    <https://www.gnu.org/licenses/>.  */
18 
19 #include <sys/statfs.h>
20 #include <sysdep.h>
21 #include <kernel_stat.h>
22 
23 /* Return information about the filesystem on which FILE resides.  */
24 int
__statfs64(const char * file,struct statfs64 * buf)25 __statfs64 (const char *file, struct statfs64 *buf)
26 {
27   int r = INLINE_SYSCALL_CALL (statfs64, file, sizeof (*buf), buf);
28 #if __ASSUME_STATFS64 == 0
29   if (r == -1 && errno == ENOSYS)
30     {
31       struct statfs buf32;
32       if (__statfs (file, &buf32) < 0)
33 	return -1;
34 
35       buf->f_type = buf32.f_type;
36       buf->f_bsize = buf32.f_bsize;
37       buf->f_blocks = buf32.f_blocks;
38       buf->f_bfree = buf32.f_bfree;
39       buf->f_bavail = buf32.f_bavail;
40       buf->f_files = buf32.f_files;
41       buf->f_ffree = buf32.f_ffree;
42       buf->f_fsid = buf32.f_fsid;
43       buf->f_namelen = buf32.f_namelen;
44       buf->f_frsize = buf32.f_frsize;
45       buf->f_flags = buf32.f_flags;
46       memcpy (buf->f_spare, buf32.f_spare, sizeof (buf32.f_spare));
47     }
48 #endif
49   return r;
50 }
51 weak_alias (__statfs64, statfs64)
52