1  /* Return information about the filesystem on which FILE resides.  Linux/alpha.
       2     Copyright (C) 1996-2023 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
      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)