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/* Return information about the filesystem on which FD resides.
Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <_lfs_64.h>
#include <errno.h>
#include <string.h>
#include <sys/statfs.h>
#include <sys/statvfs.h>
#include <sys/syscall.h>
#include <stddef.h>
#if defined __NR_fstatfs
extern __typeof(fstatfs) __libc_fstatfs;
/* Return information about the filesystem on which FD resides. */
int fstatfs64 (int fd, struct statfs64 *buf)
{
struct statfs buf32;
if (__libc_fstatfs (fd, (struct statfs *)buf) < 0)
return -1;
buf32 = *(struct statfs *)buf;
buf->f_type = buf32.f_type;
buf->f_bsize = buf32.f_bsize;
buf->f_blocks = buf32.f_blocks;
buf->f_bfree = buf32.f_bfree;
buf->f_bavail = buf32.f_bavail;
buf->f_files = buf32.f_files;
buf->f_ffree = buf32.f_ffree;
buf->f_fsid = buf32.f_fsid;
# ifdef _STATFS_F_FRSIZE
buf->f_frsize = buf32.f_frsize;
# endif
buf->f_namelen = buf32.f_namelen;
memcpy (buf->f_spare, buf32.f_spare, sizeof (buf32.f_spare));
return 0;
}
#else
/*
* Use the fstatfs64 system call if fstatfs is not defined
* This is for backwards compatibility and it should be
* made default in the future
*/
int fstatfs64(int fd, struct statfs64 *buf)
{
/* Signature has 2 arguments but syscalls wants 3 */
return INLINE_SYSCALL(fstatfs64, 3, fd, sizeof(*buf), buf);
}
#endif
libc_hidden_def(fstatfs64)
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