From fd443f819e77ee811cbcd0eaea4073f5e7a8f145 Mon Sep 17 00:00:00 2001
From: Jelmer Vernooij <jelmer@samba.org>
Date: Tue, 14 Oct 2008 02:16:27 +0200
Subject: Use common fusage implementation.
---
source3/lib/fsusage.c | 157 --------------------------------------------------
1 file changed, 157 deletions(-)
delete mode 100644 source3/lib/fsusage.c
(limited to 'source3/lib')
diff --git a/source3/lib/fsusage.c b/source3/lib/fsusage.c
deleted file mode 100644
index 43eb84705b..0000000000
--- a/source3/lib/fsusage.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
- functions to calculate the free disk space
- Copyright (C) Andrew Tridgell 1998-2000
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "includes.h"
-
-
-/* Return the number of TOSIZE-byte blocks used by
- BLOCKS FROMSIZE-byte blocks, rounding away from zero.
-*/
-static uint64_t adjust_blocks(uint64_t blocks, uint64_t fromsize, uint64_t tosize)
-{
- if (fromsize == tosize) { /* e.g., from 512 to 512 */
- return blocks;
- } else if (fromsize > tosize) { /* e.g., from 2048 to 512 */
- return blocks * (fromsize / tosize);
- } else { /* e.g., from 256 to 512 */
- /* Protect against broken filesystems... */
- if (fromsize == 0) {
- fromsize = tosize;
- }
- return (blocks + 1) / (tosize / fromsize);
- }
-}
-
-/* this does all of the system specific guff to get the free disk space.
- It is derived from code in the GNU fileutils package, but has been
- considerably mangled for use here
-
- results are returned in *dfree and *dsize, in 512 byte units
-*/
-int sys_fsusage(const char *path, uint64_t *dfree, uint64_t *dsize)
-{
-#ifdef STAT_STATFS3_OSF1
-#define CONVERT_BLOCKS(B) adjust_blocks ((uint64_t)(B), (uint64_t)fsd.f_fsize, (uint64_t)512)
- struct statfs fsd;
-
- if (statfs (path, &fsd, sizeof (struct statfs)) != 0)
- return -1;
-#endif /* STAT_STATFS3_OSF1 */
-
-#ifdef STAT_STATFS2_FS_DATA /* Ultrix */
-#define CONVERT_BLOCKS(B) adjust_blocks ((uint64_t)(B), (uint64_t)1024, (uint64_t)512)
- struct fs_data fsd;
-
- if (statfs (path, &fsd) != 1)
- return -1;
-
- (*dsize) = CONVERT_BLOCKS (fsd.fd_req.btot);
- (*dfree) = CONVERT_BLOCKS (fsd.fd_req.bfreen);
-#endif /* STAT_STATFS2_FS_DATA */
-
-#ifdef STAT_STATFS2_BSIZE /* 4.3BSD, SunOS 4, HP-UX, AIX */
-#define CONVERT_BLOCKS(B) adjust_blocks ((uint64_t)(B), (uint64_t)fsd.f_bsize, (uint64_t)512)
- struct statfs fsd;
-
- if (statfs (path, &fsd) < 0)
- return -1;
-
-#ifdef STATFS_TRUNCATES_BLOCK_COUNTS
- /* In SunOS 4.1.2, 4.1.3, and 4.1.3_U1, the block counts in the
- struct statfs are truncated to 2GB. These conditions detect that
- truncation, presumably without botching the 4.1.1 case, in which
- the values are not truncated. The correct counts are stored in
- undocumented spare fields. */
- if (fsd.f_blocks == 0x1fffff && fsd.f_spare[0] > 0) {
- fsd.f_blocks = fsd.f_spare[0];
- fsd.f_bfree = fsd.f_spare[1];
- fsd.f_bavail = fsd.f_spare[2];
- }
-#endif /* STATFS_TRUNCATES_BLOCK_COUNTS */
-#endif /* STAT_STATFS2_BSIZE */
-
-
-#ifdef STAT_STATFS2_FSIZE /* 4.4BSD */
-#define CONVERT_BLOCKS(B) adjust_blocks ((uint64_t)(B), (uint64_t)fsd.f_fsize, (uint64_t)512)
-
- struct statfs fsd;
-
- if (statfs (path, &fsd) < 0)
- return -1;
-#endif /* STAT_STATFS2_FSIZE */
-
-#ifdef STAT_STATFS4 /* SVR3, Dynix, Irix, AIX */
-# if _AIX || defined(_CRAY)
-# define CONVERT_BLOCKS(B) adjust_blocks ((uint64_t)(B), (uint64_t)fsd.f_bsize, (uint64_t)512)
-# ifdef _CRAY
-# define f_bavail f_bfree
-# endif
-# else
-# define CONVERT_BLOCKS(B) ((uint64_t)B)
-# ifndef _SEQUENT_ /* _SEQUENT_ is DYNIX/ptx */
-# ifndef DOLPHIN /* DOLPHIN 3.8.alfa/7.18 has f_bavail */
-# define f_bavail f_bfree
-# endif
-# endif
-# endif
-
- struct statfs fsd;
-
- if (statfs (path, &fsd, sizeof fsd, 0) < 0)
- return -1;
- /* Empirically, the block counts on most SVR3 and SVR3-derived
- systems seem to always be in terms of 512-byte blocks,
- no matter what value f_bsize has. */
-
-#endif /* STAT_STATFS4 */
-
-#if defined(STAT_STATVFS) || defined(STAT_STATVFS64) /* SVR4 */
-#if defined HAVE_FRSIZE
-# define CONVERT_BLOCKS(B) \
- adjust_blocks ((uint64_t)(B), fsd.f_frsize ? (uint64_t)fsd.f_frsize : (uint64_t)fsd.f_bsize, (uint64_t)512)
-#else
-# define CONVERT_BLOCKS(B) \
- adjust_blocks ((uint64_t)(B), (uint64_t)fsd.f_bsize, (uint64_t)512)
-#endif
-
-#ifdef STAT_STATVFS64
- struct statvfs64 fsd;
- if (statvfs64(path, &fsd) < 0) return -1;
-#else
- struct statvfs fsd;
- if (statvfs(path, &fsd) < 0) return -1;
-#endif
-
- /* f_frsize isn't guaranteed to be supported. */
-
-#endif /* STAT_STATVFS */
-
-#ifndef CONVERT_BLOCKS
- /* we don't have any dfree code! */
- return -1;
-#else
-#if !defined(STAT_STATFS2_FS_DATA)
- /* !Ultrix */
- (*dsize) = CONVERT_BLOCKS (fsd.f_blocks);
- (*dfree) = CONVERT_BLOCKS (fsd.f_bavail);
-#endif /* not STAT_STATFS2_FS_DATA */
-#endif
-
- return 0;
-}
--
cgit