/* 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, &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; # 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)