mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-03 20:53:13 +03:00
688903eb3e
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
/* Return information about the filesystem on which FD resides.
|
|
Copyright (C) 1996-2018 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 <errno.h>
|
|
#include <string.h>
|
|
#include <stddef.h>
|
|
#include <sysdep.h>
|
|
#include <kernel_stat.h>
|
|
|
|
/* Hide the prototypes for __fstatfs and fstatfs so that GCC will not
|
|
complain about the different function signatures if they are aliased
|
|
to __fstat64. If STATFS_IS_STATFS64 is not zero then the statfs and
|
|
statfs64 structures have an identical layout but different type names. */
|
|
|
|
#if STATFS_IS_STATFS64
|
|
# define __fstatfs __fstatfs_disable
|
|
# define fstatfs fstatfs_disable
|
|
#endif
|
|
#include <sys/statfs.h>
|
|
|
|
#include <kernel-features.h>
|
|
|
|
/* Defined in statfs64.c. */
|
|
extern int __no_statfs64 attribute_hidden;
|
|
|
|
/* Return information about the filesystem on which FD resides. */
|
|
int
|
|
__fstatfs64 (int fd, struct statfs64 *buf)
|
|
{
|
|
#ifdef __NR_fstatfs64
|
|
# if __ASSUME_STATFS64 == 0
|
|
if (! __no_statfs64)
|
|
# endif
|
|
{
|
|
int result = INLINE_SYSCALL (fstatfs64, 3, fd, sizeof (*buf), buf);
|
|
|
|
# if __ASSUME_STATFS64 == 0
|
|
if (result == 0 || errno != ENOSYS)
|
|
# endif
|
|
return result;
|
|
|
|
# if __ASSUME_STATFS64 == 0
|
|
__no_statfs64 = 1;
|
|
# endif
|
|
}
|
|
#endif
|
|
|
|
#if __ASSUME_STATFS64 == 0
|
|
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;
|
|
memcpy (buf->f_spare, buf32.f_spare, sizeof (buf32.f_spare));
|
|
|
|
return 0;
|
|
#endif
|
|
}
|
|
weak_alias (__fstatfs64, fstatfs64)
|
|
|
|
#undef __fstatfs
|
|
#undef fstatfs
|
|
|
|
#if STATFS_IS_STATFS64
|
|
weak_alias (__fstatfs64, __fstatfs)
|
|
weak_alias (__fstatfs64, fstatfs)
|
|
#endif
|