| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 | VFS API's statvfs abstraction
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| 4 | Copyright (C) Alexander Bokovoy 2005
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| 5 | Copyright (C) Steve French 2005
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| 6 |
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| 7 | This program is free software; you can redistribute it and/or modify
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| 8 | it under the terms of the GNU General Public License as published by
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| 9 | the Free Software Foundation; either version 2 of the License, or
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| 10 | (at your option) any later version.
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| 11 |
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| 12 | This program is distributed in the hope that it will be useful,
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | GNU General Public License for more details.
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| 16 |
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| 17 | You should have received a copy of the GNU General Public License
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| 18 | along with this program; if not, write to the Free Software
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| 19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 20 | */
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| 21 |
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| 22 | #include "includes.h"
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| 23 |
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| 24 | #if defined(LINUX) && defined(HAVE_FSID_INT)
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| 25 | static int linux_statvfs(const char *path, vfs_statvfs_struct *statbuf)
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| 26 | {
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| 27 | struct statvfs statvfs_buf;
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| 28 | int result;
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| 29 |
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| 30 | result = statvfs(path, &statvfs_buf);
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| 31 |
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| 32 | if (!result) {
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| 33 | statbuf->OptimalTransferSize = statvfs_buf.f_frsize;
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| 34 | statbuf->BlockSize = statvfs_buf.f_bsize;
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| 35 | statbuf->TotalBlocks = statvfs_buf.f_blocks;
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| 36 | statbuf->BlocksAvail = statvfs_buf.f_bfree;
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| 37 | statbuf->UserBlocksAvail = statvfs_buf.f_bavail;
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| 38 | statbuf->TotalFileNodes = statvfs_buf.f_files;
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| 39 | statbuf->FreeFileNodes = statvfs_buf.f_ffree;
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| 40 | statbuf->FsIdentifier = statvfs_buf.f_fsid;
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| 41 | }
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| 42 | return result;
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| 43 | }
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| 44 | #endif
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| 45 |
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| 46 | /*
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| 47 | sys_statvfs() is an abstraction layer over system-dependent statvfs()/statfs()
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| 48 | for particular POSIX systems. Due to controversy of what is considered more important
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| 49 | between LSB and FreeBSD/POSIX.1 (IEEE Std 1003.1-2001) we need to abstract the interface
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| 50 | so that particular OS would use its preffered interface.
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| 51 | */
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| 52 | int sys_statvfs(const char *path, vfs_statvfs_struct *statbuf)
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| 53 | {
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| 54 | #if defined(LINUX) && defined(HAVE_FSID_INT)
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| 55 | return linux_statvfs(path, statbuf);
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| 56 | #else
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| 57 | /* BB change this to return invalid level */
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| 58 | #ifdef EOPNOTSUPP
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| 59 | return EOPNOTSUPP;
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| 60 | #else
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| 61 | return -1;
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| 62 | #endif /* EOPNOTSUPP */
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| 63 | #endif /* LINUX */
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| 64 |
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| 65 | }
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