mirror of https://github.com/GnoConsortium/gno.git
104 lines
3.8 KiB
Groff
104 lines
3.8 KiB
Groff
.\" Copyright (c) 1989, 1991, 1993
|
|
.\" The Regents of the University of California. All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
.\" must display the following acknowledgement:
|
|
.\" This product includes software developed by the University of
|
|
.\" California, Berkeley and its contributors.
|
|
.\" 4. Neither the name of the University nor the names of its contributors
|
|
.\" may be used to endorse or promote products derived from this software
|
|
.\" without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\" @(#)statfs.2 8.3 (Berkeley) 2/11/94
|
|
.\"
|
|
.TH STATFS 2 "23 January 1997" GNO "System Calls"
|
|
.SH NAME
|
|
.BR statfs
|
|
\- get file system statistics
|
|
.SH SYNOPSIS
|
|
#include <sys/param.h>
|
|
.br
|
|
#include <sys/mount.h>
|
|
.sp 1
|
|
int
|
|
\fBstatfs\fR (const char *\fIpath\fR, struct statfs *\fIbuf\fR);
|
|
.sp 1
|
|
int
|
|
\fBfstatfs\fR (int \fIfd\fR, struct statfs *\fIbuf\fR);
|
|
.SH DESCRIPTION
|
|
.BR statfs
|
|
returns information about a mounted file system.
|
|
.I path
|
|
is the path name of any file within the mounted filesystem.
|
|
.I buf
|
|
is a pointer to a
|
|
.BR statfs
|
|
structure defined as follows:
|
|
.nf
|
|
|
|
typedef quad fsid_t;
|
|
|
|
struct statfs {
|
|
long f_type; /* FST type (see below) */
|
|
long f_bsize; /* fundamental file system block size */
|
|
long f_blocks; /* total data blocks in file system */
|
|
long f_bfree; /* free blocks in fs */
|
|
long f_bavail; /* free blocks avail to non-superuser */
|
|
long f_files; /* total file nodes in file system */
|
|
long f_ffree; /* free file nodes in fs */
|
|
fsid_t f_fsid; /* file system id (GS/OS device number) */
|
|
long f_spare[7]; /* reserved */
|
|
}
|
|
|
|
/*
|
|
* File system types.
|
|
*/
|
|
#define MOUNT_PRODOS 0x0001 /* ProDOS or SOS */
|
|
#define MOUNT_DOS_33 0x0002 /* DOS 3.3 */
|
|
#define MOUNT_DOS_32 0x0003 /* DOS 3.1 or 3.2 */
|
|
#define MOUNT_PASCAL 0x0004 /* Apple II Pascal */
|
|
#define MOUNT_MFS 0x0005 /* Macintosh (MFS) */
|
|
#define MOUNT_HFS 0x0006 /* Macintosh (HFS) */
|
|
#define MOUNT_LISA 0x0007 /* Lisa */
|
|
#define MOUNT_CPM 0x0008 /* Apple CP/M */
|
|
#define MOUNT_MSDOS 0x000A /* MS/DOS */
|
|
#define MOUNT_HIGHS 0x000B /* High Sierra */
|
|
#define MOUNT_CD9660 0x000C /* ISO 9660 (CD-ROM) */
|
|
#define MOUNT_APLSHAR 0x000D /* AppleShare */
|
|
|
|
.fi
|
|
.LP
|
|
Fields that are undefined for a particular file system are set to -1.
|
|
.BR fstatfs
|
|
returns the same information about an open file referenced by descriptor
|
|
.IR fd .
|
|
.SH RETURN VALUES
|
|
Upon successful completion, a value of 0 is returned.
|
|
Otherwise, -1 is returned and the global variable
|
|
.IR errno
|
|
is set to indicate the error.
|
|
.SH HISTORY
|
|
The
|
|
.BR statfs
|
|
function first appeared in 4.4BSD.
|