+++ /dev/null
-/*
- * Amanda, The Advanced Maryland Automatic Network Disk Archiver
- * Copyright (c) 1991-1998 University of Maryland at College Park
- * All Rights Reserved.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of U.M. not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. U.M. makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
- * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Authors: the Amanda Development Team. Its members are listed in a
- * file named AUTHORS, in the root directory of this distribution.
- */
-/*
- * $Id: statfs.c,v 1.16 2006/08/24 17:05:35 martinea Exp $
- *
- * a generic statfs-like routine
- */
-#include "amanda.h"
-#include "statfs.h"
-
-/*
- * You are in a maze of twisty passages, all alike.
- * Begin retching now.
- */
-
-#ifdef STATFS_ULTRIX
-# include <sys/param.h>
-# include <sys/mount.h>
-# define STATFS_STRUCT struct fs_data
-# define STATFS_TOTAL(buf) (buf).fd_btot
-# define STATFS_AVAIL(buf) (buf).fd_bfreen
-# define STATFS_FREE(buf) (buf).fd_bfree
-# define STATFS_FILES(buf) (buf).fd_gtot
-# define STATFS_FAVAIL(buf) (buf).fd_gfree
-# define STATFS_FFREE(buf) (buf).fd_gfree
-# define STATFS_SCALE(buf) 1024
-# define STATFS(path, buffer) statfs(path, &buffer)
-#else
-# if defined(HAVE_SYS_STATVFS_H) && !defined(STATFS_SCO_OS5)
-/*
-** System V.4 (STATFS_SVR4)
-*/
-# include <sys/statvfs.h>
-# define STATFS_TYP "SVR4 (Irix-5+, Solaris-2, Linux glibc 2.1)"
-# define STATFS_STRUCT struct statvfs
-# define STATFS_TOTAL(buf) (buf).f_blocks
-# define STATFS_AVAIL(buf) (buf).f_bavail
-# define STATFS_FREE(buf) (buf).f_bfree
-# define STATFS_FILES(buf) (buf).f_files
-# define STATFS_FAVAIL(buf) (buf).f_favail
-# define STATFS_FFREE(buf) (buf).f_ffree
-# define STATFS_SCALE(buf) ((buf).f_frsize?(buf).f_frsize:(buf).f_bsize)
-# define STATFS(path, buffer) statvfs(path, &buffer)
-# else
-# if HAVE_SYS_VFS_H
-/*
-** (STATFS_AIX, STATFS_VFS, STATFS_NEXT)
-*/
-# ifdef HAVE_SYS_STATFS_H /* AIX */
-# include <sys/statfs.h>
-# endif
-# include <sys/vfs.h>
-# define STATFS_TYP "Posix (NeXTstep, AIX, Linux, HP-UX)"
-# define STATFS_STRUCT struct statfs
-# define STATFS_TOTAL(buf) (buf).f_blocks
-# define STATFS_AVAIL(buf) (buf).f_bavail
-# define STATFS_FREE(buf) (buf).f_bfree
-# define STATFS_FILES(buf) (buf).f_files
-# define STATFS_FAVAIL(buf) (buf).f_ffree
-# define STATFS_FFREE(buf) (buf).f_ffree
-# define STATFS_SCALE(buf) (buf).f_bsize
-# define STATFS(path, buffer) statfs(path, &buffer)
-# else
-# if HAVE_SYS_STATFS_H
-/*
-** System V.3 (STATFS_SVR3)
-*/
-# include <sys/statfs.h>
-# define STATFS_TYP "SVR3 (Irix-3, Irix-4)"
-# define STATFS_STRUCT struct statfs
-# define STATFS_TOTAL(buf) (buf).f_blocks
-# define STATFS_AVAIL(buf) (buf).f_bfree
-# define STATFS_FREE(buf) (buf).f_bfree
-# define STATFS_FILES(buf) (buf).f_files
-# define STATFS_FAVAIL(buf) (buf).f_ffree
-# define STATFS_FFREE(buf) (buf).f_ffree
-# define STATFS_SCALE(buf) (buf).f_bsize
-# define STATFS(path, buffer) statfs(path, &buffer, SIZEOF(STATFS_STRUCT), 0)
-# else
-# if HAVE_SYS_MOUNT_H
-/*
-** BSD (STATFS_BSD43, STATFS_BSD44)
-*/
-# ifdef HAVE_SYS_PARAM_H /* BSD-4.4 */
-# include <sys/param.h>
-# endif
-# include <sys/mount.h>
-# define STATFS_TYP "BSD43/44"
-# define STATFS_STRUCT struct statfs
-# define STATFS_TOTAL(buf) (buf).f_blocks
-# define STATFS_AVAIL(buf) (buf).f_bavail
-# define STATFS_FREE(buf) (buf).f_bfree
-# define STATFS_FILES(buf) (buf).f_files
-# define STATFS_FAVAIL(buf) (buf).f_ffree
-# define STATFS_FFREE(buf) (buf).f_ffree
-# define STATFS_SCALE(buf) (buf).f_bsize
-# define STATFS(path, buffer) statfs(path, &buffer)
-# ifdef STATFS_OSF1
-# define STATFS(path, buffer) statfs(path, &buffer, SIZEOF(STATFS_STRUCT))
-# endif
-# endif
-# endif
-# endif
-# endif
-#endif
-
-
-off_t scale(off_t r, off_t s);
-
-off_t
-scale(
- off_t r,
- off_t s)
-{
- if (r == (off_t)-1)
- return (off_t)-1;
- if (s % 1024 == 0)
- return r*(s/(off_t)1024);
- return (off_t)(r*((double)s/1024.0));
-}
-
-int
-get_fs_stats(
- char * dir,
- generic_fs_stats_t *sp)
-{
- STATFS_STRUCT statbuf;
-
- if(STATFS(dir, statbuf) == -1)
- return -1;
-
- /* total, avail, free: converted to kbytes, rounded down */
-
- sp->total = scale((off_t)STATFS_TOTAL(statbuf),
- (off_t)STATFS_SCALE(statbuf));
- sp->avail = scale((off_t)STATFS_AVAIL(statbuf),
- (off_t)STATFS_SCALE(statbuf));
- sp->free = scale((off_t)STATFS_FREE(statbuf),
- (off_t)STATFS_SCALE(statbuf));
-
- /* inode stats */
-
- sp->files = (off_t)STATFS_FILES(statbuf);
- sp->favail = (off_t)STATFS_FAVAIL(statbuf);
- sp->ffree = (off_t)STATFS_FFREE(statbuf);
-
- return 0;
-}
-
-#ifdef TEST
-/* ----- test scaffolding ----- */
-
-int
-main(
- int argc,
- char ** argv)
-{
- generic_fs_stats_t statbuf;
-
- safe_fd(-1, 0);
-
- set_pname(argv[0]);
-
- dbopen(NULL);
-
- if(argc < 2) {
- fprintf(stderr, "Usage: %s files ...\n", get_pname());
- return 1;
- }
-
- printf("statfs (%s)\n",STATFS_TYP);
- printf(
-"name total free avail files ffree favail\n"
- );
- printf(
-"---------------------------- -------- -------- -------- ------- ------- -------\n"
- );
-
- do {
- argc--,argv++;
- if(get_fs_stats(*argv, &statbuf) == -1) {
- perror(*argv);
- continue;
- }
- printf("%-28.28s %8ld %8ld %8ld %7ld %7ld %7ld\n", *argv,
- statbuf.total, statbuf.free, statbuf.avail,
- statbuf.files, statbuf.ffree, statbuf.favail);
- } while(argc > 1);
- return 0;
-}
-#endif
projects / debian / amanda / blobdiff