glibc/sysdeps/unix/sysv/linux/fstatvfs64.c
Paul Eggert 2b778ceb40 Update copyright dates with scripts/update-copyrights
I used these shell commands:

../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")

and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 6694 files FOO.
I then removed trailing white space from benchtests/bench-pthread-locks.c
and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this
diagnostic from Savannah:
remote: *** pre-commit check failed ...
remote: *** error: lines with trailing whitespace found
remote: error: hook declined to update refs/heads/master
2021-01-02 12:17:34 -08:00

64 lines
1.9 KiB
C

/* Return information about the filesystem on which FD resides.
Copyright (C) 1996-2021 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 <errno.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/statfs.h>
#include "internal_statvfs.h"
#include <kernel-features.h>
/* Return information about the filesystem on which FD resides. */
int
__fstatvfs64 (int fd, struct statvfs64 *buf)
{
struct statfs64 fsbuf;
int res = __fstatfs64 (fd, &fsbuf);
#ifndef __ASSUME_STATFS64
if (res < 0 && errno == ENOSYS)
{
struct statvfs buf32;
res = fstatvfs (fd, &buf32);
if (res == 0)
{
buf->f_bsize = buf32.f_bsize;
buf->f_frsize = buf32.f_frsize;
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_favail = buf32.f_favail;
buf->f_fsid = buf32.f_fsid;
buf->f_flag = buf32.f_flag;
buf->f_namemax = buf32.f_namemax;
memcpy (buf->__f_spare, buf32.__f_spare, sizeof (buf32.__f_spare));
}
}
#endif
if (res == 0)
/* Convert the result. */
__internal_statvfs64 (NULL, buf, &fsbuf, fd);
return res;
}
weak_alias (__fstatvfs64, fstatvfs64)