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/* Return information about the filesystem on which FILE resides.
Copyright (C) 1996-2015 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 <errno.h>
#include <string.h>
#include <sys/statfs.h>
#include <stddef.h>
#include <sysdep.h>
#include <kernel-features.h>
# if __ASSUME_STATFS64 == 0
int __no_statfs64 attribute_hidden;
#endif
/* Return information about the filesystem on which FILE resides. */
int
__statfs64 (const char *file, struct statfs64 *buf)
{
#ifdef __NR_statfs64
# if __ASSUME_STATFS64 == 0
if (! __no_statfs64)
# endif
{
# if __ASSUME_STATFS64 == 0
INTERNAL_SYSCALL_DECL (err);
int result = INTERNAL_SYSCALL (statfs64, err, 3, file,
sizeof (*buf), buf);
if (!__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (result, err)))
return result;
else if (INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS)
return INLINE_SYSCALL_ERROR_RETURN_VALUE (INTERNAL_SYSCALL_ERRNO (result, err));
# else
return INLINE_SYSCALL (statfs64, 3, file, sizeof (*buf), buf);
# endif
# if __ASSUME_STATFS64 == 0
__no_statfs64 = 1;
# endif
}
#endif
#if __ASSUME_STATFS64 == 0
struct statfs buf32;
if (__statfs (file, &buf32) < 0)
return -1;
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;
buf->f_namelen = buf32.f_namelen;
buf->f_frsize = buf32.f_frsize;
memcpy (buf->f_spare, buf32.f_spare, sizeof (buf32.f_spare));
return 0;
#endif
}
weak_alias (__statfs64, statfs64)
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