glibc/sysdeps/unix/sysv/linux/fstatvfs.c

45 lines
1.4 KiB
C

/* Copyright (C) 1998-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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 <stddef.h>
#include <sys/stat.h>
#include <sys/statfs.h>
#include <sys/statvfs.h>
extern void __internal_statvfs (const char *name, struct statvfs *buf,
struct statfs *fsbuf, struct stat64 *st);
int
fstatvfs (int fd, struct statvfs *buf)
{
struct statfs fsbuf;
struct stat64 st;
/* Get as much information as possible from the system. */
if (__fstatfs (fd, &fsbuf) < 0)
return -1;
/* Convert the result. */
__internal_statvfs (NULL, buf, &fsbuf, fstat64 (fd, &st) == -1 ? NULL : &st);
/* We signal success if the statfs call succeeded. */
return 0;
}
libc_hidden_def (fstatvfs)