libc/misc/statfs/statfs64.c

   1 /* Return information about the filesystem on which FILE resides.
   2    Copyright (C) 1996, 1997, 1998, 1999, 2000 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <_lfs_64.h>
  20
  21 #include <string.h>
  22 #include <stddef.h>
  23 #include <sys/statfs.h>
  24 #include <sys/syscall.h>
  25
  26 extern __typeof(statfs) __libc_statfs;
  27
  28 #if defined __NR_statfs
  29 /* Return information about the filesystem on which FILE resides.  */
  30 int statfs64 (const char *file, struct statfs64 *buf)
  31 {
  32     struct statfs buf32;
  33
  34     if (__libc_statfs (file, (struct statfs *)buf) < 0)
  35         return -1;
  36
  37     buf32 = *(struct statfs *)buf;
  38
  39     buf->f_type = buf32.f_type;
  40     buf->f_bsize = buf32.f_bsize;
  41     buf->f_blocks = buf32.f_blocks;
  42     buf->f_bfree = buf32.f_bfree;
  43     buf->f_bavail = buf32.f_bavail;
  44     buf->f_files = buf32.f_files;
  45     buf->f_ffree = buf32.f_ffree;
  46     buf->f_fsid = buf32.f_fsid;
  47     buf->f_namelen = buf32.f_namelen;
  48 #ifdef _STATFS_F_FRSIZE
  49     buf->f_frsize = buf32.f_frsize;
  50 #endif
  51 #ifdef _STATFS_F_FLAGS
  52     buf->f_flags = buf32.f_flags;
  53 #endif
  54     memcpy (buf->f_spare, buf32.f_spare, sizeof (buf32.f_spare));
  55
  56     return 0;
  57 }
  58 #else
  59 int statfs64 (const char *file, struct statfs64 *buf)
  60 {
  61     return INLINE_SYSCALL(statfs64, 3, file, sizeof(*buf), buf);
  62 }
  63 #endif
  64
  65 libc_hidden_def(statfs64)