glibc/sysdeps/unix/sysv/linux/alpha/fstatfs64.c

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/* Get filesystem statistics. Linux/alpha.
Copyright (C) 1996-2022 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
<https://www.gnu.org/licenses/>. */
#include <sys/statfs.h>
#include <sysdep.h>
#include <kernel_stat.h>
/* Return information about the filesystem on which FILE resides. */
int
__fstatfs64 (int fd, struct statfs64 *buf)
{
int r = INLINE_SYSCALL_CALL (fstatfs64, fd, sizeof (*buf), buf);
#if __ASSUME_STATFS64 == 0
if (r == -1 && errno == ENOSYS)
{
struct statfs buf32;
if (__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;
buf->f_namelen = buf32.f_namelen;
buf->f_frsize = buf32.f_frsize;
buf->f_flags = buf32.f_flags;
memcpy (buf->f_spare, buf32.f_spare, sizeof (buf32.f_spare));
}
#endif
return r;
}
weak_alias (__fstatfs64, fstatfs64)