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387 lines
10 KiB
387 lines
10 KiB
/*
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*
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* This file is part of the KDE libraries
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* Copyright (c) 2003 Waldo Bastian <bastian@kde.org>
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*
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* $Id$
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License version 2 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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**/
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#include <config.h>
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#include <stdlib.h>
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#include <tqfile.h>
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#include "kstandarddirs.h"
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#include "kmountpoint.h"
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#ifdef HAVE_VOLMGT
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#include <volmgt.h>
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#endif
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#ifdef HAVE_SYS_MNTTAB_H
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#include <stdio.h>
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#include <sys/mnttab.h>
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#endif
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#ifdef HAVE_MNTENT_H
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#include <mntent.h>
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#elif defined(HAVE_SYS_MNTENT_H)
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#include <sys/mntent.h>
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#endif
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// This is the *BSD branch
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#ifdef HAVE_SYS_MOUNT_H
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#include <sys/mount.h>
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#endif
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#ifdef HAVE_FSTAB_H
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#include <fstab.h>
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#endif
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#if defined(_AIX)
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#include <sys/mntctl.h>
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#include <sys/vmount.h>
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#include <sys/vfs.h>
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/* AIX does not prototype mntctl anywhere that I can find */
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#ifndef mntctl
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extern "C" {
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int mntctl(int command, int size, void* buffer);
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}
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#endif
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extern "C" struct vfs_ent *getvfsbytype(int vfsType);
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extern "C" void endvfsent( );
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#endif
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#ifndef HAVE_GETMNTINFO
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# ifdef _PATH_MOUNTED
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// On some Linux, MNTTAB points to /etc/fstab !
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# undef MNTTAB
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# define MNTTAB _PATH_MOUNTED
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# else
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# ifndef MNTTAB
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# ifdef MTAB_FILE
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# define MNTTAB MTAB_FILE
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# else
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# define MNTTAB "/etc/mnttab"
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# endif
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# endif
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# endif
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#endif
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#ifdef _OS_SOLARIS_
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#define FSTAB "/etc/vfstab"
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#else
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#define FSTAB "/etc/fstab"
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#endif
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KMountPoint::KMountPoint()
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{
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}
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KMountPoint::~KMountPoint()
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{
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}
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#ifdef HAVE_SETMNTENT
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#define SETMNTENT setmntent
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#define ENDMNTENT endmntent
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#define STRUCT_MNTENT struct mntent *
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#define STRUCT_SETMNTENT FILE *
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#define GETMNTENT(file, var) ((var = getmntent(file)) != 0)
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#define MOUNTPOINT(var) var->mnt_dir
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#define MOUNTTYPE(var) var->mnt_type
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#define MOUNTOPTIONS(var) var->mnt_opts
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#define FSNAME(var) var->mnt_fsname
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#else
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#define SETMNTENT fopen
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#define ENDMNTENT fclose
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#define STRUCT_MNTENT struct mnttab
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#define STRUCT_SETMNTENT FILE *
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#define GETMNTENT(file, var) (getmntent(file, &var) == 0)
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#define MOUNTPOINT(var) var.mnt_mountp
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#define MOUNTTYPE(var) var.mnt_fstype
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#define MOUNTOPTIONS(var) var.mnt_mntopts
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#define FSNAME(var) var.mnt_special
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#endif
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KMountPoint::List KMountPoint::possibleMountPoints(int infoNeeded)
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{
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KMountPoint::List result;
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#ifdef HAVE_SETMNTENT
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STRUCT_SETMNTENT fstab;
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if ((fstab = SETMNTENT(FSTAB, "r")) == 0)
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return result;
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STRUCT_MNTENT fe;
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while (GETMNTENT(fstab, fe))
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{
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KMountPoint *mp = new KMountPoint();
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mp->m_mountedFrom = TQFile::decodeName(FSNAME(fe));
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mp->m_mountPoint = TQFile::decodeName(MOUNTPOINT(fe));
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mp->m_mountType = TQFile::decodeName(MOUNTTYPE(fe));
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//Devices using supermount have their device names in the mount options
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//instead of the device field. That's why we need to read the mount options
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if (infoNeeded & NeedMountOptions || (mp->m_mountType == "supermount"))
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{
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TQString options = TQFile::decodeName(MOUNTOPTIONS(fe));
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mp->m_mountOptions = TQStringList::split(',', options);
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}
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if(mp->m_mountType == "supermount")
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mp->m_mountedFrom = devNameFromOptions(mp->m_mountOptions);
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if (infoNeeded & NeedRealDeviceName)
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{
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if (mp->m_mountedFrom.startsWith("/"))
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mp->m_device = TDEStandardDirs::realPath(mp->m_mountedFrom);
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}
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// TODO: Strip trailing '/' ?
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result.append(mp);
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}
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ENDMNTENT(fstab);
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#else
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TQFile f(FSTAB);
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if ( !f.open(IO_ReadOnly) )
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return result;
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TQTextStream t (&f);
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TQString s;
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while (! t.eof())
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{
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s=t.readLine().simplifyWhiteSpace();
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if ( s.isEmpty() || (s[0] == '#'))
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continue;
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// not empty or commented out by '#'
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TQStringList item = TQStringList::split(' ', s);
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#ifdef _OS_SOLARIS_
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if (item.count() < 5)
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continue;
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#else
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if (item.count() < 4)
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continue;
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#endif
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KMountPoint *mp = new KMountPoint();
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int i = 0;
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mp->m_mountedFrom = item[i++];
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#ifdef _OS_SOLARIS_
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//device to fsck
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i++;
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#endif
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mp->m_mountPoint = item[i++];
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mp->m_mountType = item[i++];
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TQString options = item[i++];
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if (infoNeeded & NeedMountOptions)
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{
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mp->m_mountOptions = TQStringList::split(',', options);
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}
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if (infoNeeded & NeedRealDeviceName)
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{
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if (mp->m_mountedFrom.startsWith("/"))
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mp->m_device = TDEStandardDirs::realPath(mp->m_mountedFrom);
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}
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// TODO: Strip trailing '/' ?
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result.append(mp);
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} //while
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f.close();
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#endif
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return result;
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}
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KMountPoint::List KMountPoint::currentMountPoints(int infoNeeded)
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{
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KMountPoint::List result;
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#ifdef HAVE_GETMNTINFO
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#ifdef GETMNTINFO_USES_STATVFS
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struct statvfs *mounted;
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#else
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struct statfs *mounted;
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#endif
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int num_fs = getmntinfo(&mounted, MNT_NOWAIT);
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for (int i=0;i<num_fs;i++)
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{
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KMountPoint *mp = new KMountPoint();
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mp->m_mountedFrom = TQFile::decodeName(mounted[i].f_mntfromname);
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mp->m_mountPoint = TQFile::decodeName(mounted[i].f_mntonname);
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#ifdef __osf__
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mp->m_mountType = TQFile::decodeName(mnt_names[mounted[i].f_type]);
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#else
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mp->m_mountType = TQFile::decodeName(mounted[i].f_fstypename);
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#endif
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if (infoNeeded & NeedMountOptions)
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{
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struct fstab *ft = getfsfile(mounted[i].f_mntonname);
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TQString options = TQFile::decodeName(ft->fs_mntops);
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mp->m_mountOptions = TQStringList::split(',', options);
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}
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if (infoNeeded & NeedRealDeviceName)
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{
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if (mp->m_mountedFrom.startsWith("/"))
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mp->m_device = TDEStandardDirs::realPath(mp->m_mountedFrom);
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}
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// TODO: Strip trailing '/' ?
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result.append(mp);
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}
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#elif defined(_AIX)
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struct vmount *mntctl_buffer;
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struct vmount *vm;
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char *mountedfrom;
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char *mountedto;
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int fsname_len, num;
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int buf_sz = 4096;
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mntctl_buffer = (struct vmount*)malloc(buf_sz);
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num = mntctl(MCTL_QUERY, buf_sz, mntctl_buffer);
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if (num == 0)
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{
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buf_sz = *(int*)mntctl_buffer;
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free(mntctl_buffer);
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mntctl_buffer = (struct vmount*)malloc(buf_sz);
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num = mntctl(MCTL_QUERY, buf_sz, mntctl_buffer);
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}
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if (num > 0)
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{
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/* iterate through items in the vmount structure: */
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vm = (struct vmount *)mntctl_buffer;
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for ( ; num > 0; num-- )
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{
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/* get the name of the mounted file systems: */
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fsname_len = vmt2datasize(vm, VMT_STUB);
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mountedto = (char*)malloc(fsname_len + 1);
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mountedto[fsname_len] = '\0';
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strncpy(mountedto, (char *)vmt2dataptr(vm, VMT_STUB), fsname_len);
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fsname_len = vmt2datasize(vm, VMT_OBJECT);
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mountedfrom = (char*)malloc(fsname_len + 1);
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mountedfrom[fsname_len] = '\0';
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strncpy(mountedfrom, (char *)vmt2dataptr(vm, VMT_OBJECT), fsname_len);
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/* Look up the string for the file system type,
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* as listed in /etc/vfs.
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* ex.: nfs,jfs,afs,cdrfs,sfs,cachefs,nfs3,autofs
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*/
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struct vfs_ent* ent = getvfsbytype(vm->vmt_gfstype);
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KMountPoint *mp = new KMountPoint();
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mp->m_mountedFrom = TQFile::decodeName(mountedfrom);
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mp->m_mountPoint = TQFile::decodeName(mountedto);
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mp->m_mountType = TQFile::decodeName(ent->vfsent_name);
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free(mountedfrom);
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free(mountedto);
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if (infoNeeded & NeedMountOptions)
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{
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// TODO
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}
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if (infoNeeded & NeedRealDeviceName)
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{
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if (mp->m_mountedFrom.startsWith("/"))
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mp->m_device = TDEStandardDirs::realPath(mp->m_mountedFrom);
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}
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result.append(mp);
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/* goto the next vmount structure: */
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vm = (struct vmount *)((char *)vm + vm->vmt_length);
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}
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endvfsent( );
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}
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free( mntctl_buffer );
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#elif defined(TQ_WS_WIN)
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//TODO?
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#else
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STRUCT_SETMNTENT mnttab;
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if ((mnttab = SETMNTENT(MNTTAB, "r")) == 0)
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return result;
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STRUCT_MNTENT fe;
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while (GETMNTENT(mnttab, fe))
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{
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KMountPoint *mp = new KMountPoint();
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mp->m_mountedFrom = TQFile::decodeName(FSNAME(fe));
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mp->m_mountPoint = TQFile::decodeName(MOUNTPOINT(fe));
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mp->m_mountType = TQFile::decodeName(MOUNTTYPE(fe));
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//Devices using supermount have their device names in the mount options
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//instead of the device field. That's why we need to read the mount options
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if (infoNeeded & NeedMountOptions || (mp->m_mountType == "supermount"))
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{
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TQString options = TQFile::decodeName(MOUNTOPTIONS(fe));
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mp->m_mountOptions = TQStringList::split(',', options);
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}
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if (mp->m_mountType == "supermount")
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mp->m_mountedFrom = devNameFromOptions(mp->m_mountOptions);
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if (infoNeeded & NeedRealDeviceName)
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{
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if (mp->m_mountedFrom.startsWith("/"))
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mp->m_device = TDEStandardDirs::realPath(mp->m_mountedFrom);
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}
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// TODO: Strip trailing '/' ?
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result.append(mp);
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}
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ENDMNTENT(mnttab);
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#endif
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return result;
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}
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TQString KMountPoint::devNameFromOptions(const TQStringList &options)
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{
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// Search options to find the device name
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for ( TQStringList::ConstIterator it = options.begin(); it != options.end(); ++it)
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{
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if( (*it).startsWith("dev="))
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return TQString(*it).remove("dev=");
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}
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return TQString("none");
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}
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