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/* Get filesystem statistics. Linux version.
Copyright (C) 2021 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 <time.h>
#include <sysdep.h>
#include <kernel_stat.h>
#if !STATFS_IS_STATFS64
/* Return information about the filesystem on which FILE resides. */
int
__fstatfs (int fd, struct statfs *buf)
{
struct statfs64 buf64;
int rc = INLINE_SYSCALL_CALL (fstatfs64, fd, sizeof (buf64), &buf64);
if (rc != 0)
return rc;
buf->f_type = buf64.f_type;
buf->f_bsize = buf64.f_bsize;
buf->f_blocks = buf64.f_blocks;
buf->f_bfree = buf64.f_bfree;
buf->f_bavail = buf64.f_bavail;
buf->f_files = buf64.f_files;
buf->f_ffree = buf64.f_ffree;
buf->f_fsid = buf64.f_fsid;
buf->f_namelen = buf64.f_namelen;
buf->f_frsize = buf64.f_frsize;
buf->f_flags = buf64.f_flags;
memcpy (buf->f_spare, buf64.f_spare, sizeof (buf64.f_spare));
if ((fsblkcnt_t) buf64.f_blocks != buf64.f_blocks
|| (fsblkcnt_t) buf64.f_bfree != buf64.f_bfree
|| (fsblkcnt_t) buf64.f_bavail != buf64.f_bavail
|| (fsblkcnt_t) buf64.f_files != buf64.f_files
|| (fsblkcnt_t) buf64.f_ffree != buf64.f_ffree)
{
__set_errno (EOVERFLOW);
return -1;
}
return 0;
}
libc_hidden_def (__fstatfs)
weak_alias (__fstatfs, fstatfs)
#endif
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