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

47 lines
1.4 KiB
C
Raw Normal View History

/* Copyright (C) 1998 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/statvfs.h>
int
statvfs (const char *file, struct statvfs *buf)
{
int save_errno;
int retval;
int fd;
fd = open (file, O_RDONLY);
if (fd < 0)
return -1;
/* Let fstatvfs do the real work. */
retval = fstatvfs (fd, buf);
/* Close the file while preserving the error number. */
save_errno = errno;
close (fd);
__set_errno (save_errno);
return retval;
}