glibc/sysdeps/mach/hurd/statfsconv.c

49 lines
1.4 KiB
C

/* Convert between `struct statfs' format, and `struct statfs64' format.
Copyright (C) 2001-2017 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 <sys/statfs.h>
#include <errno.h>
static inline int
statfs64_conv (struct statfs *buf, const struct statfs64 *buf64)
{
# define DO(memb) \
buf->memb = buf64->memb; \
if (sizeof buf->memb != sizeof buf64->memb && buf->memb != buf64->memb) \
{ \
__set_errno (EOVERFLOW); \
return -1; \
}
DO (f_type);
DO (f_bsize);
DO (f_blocks);
DO (f_bfree);
DO (f_bavail);
DO (f_files);
DO (f_fsid);
DO (f_namelen);
DO (f_favail);
DO (f_frsize);
DO (f_flag);
# undef DO
return 0;
}