743308e882
Allow passing an (optional) cluster size to round up all file sizes when calculating the total size of an extracted zip archive. This allows to check if the space on disk is actually sufficient without relying on an arbitrary headroom value which might be wrong. Addresses FS#12195. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30214 a1c6a512-1295-4272-9138-f99709370657
609 lines
19 KiB
C++
609 lines
19 KiB
C++
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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*
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* Copyright (C) 2007 by Dominik Wenger
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* $Id$
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "utils.h"
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#include "rockboxinfo.h"
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#include "system.h"
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#include "rbsettings.h"
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#include "systeminfo.h"
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#ifdef UNICODE
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#define _UNICODE
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#endif
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#include <QtCore>
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#include <QDebug>
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#include <cstdlib>
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#include <stdio.h>
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#if defined(Q_OS_LINUX) || defined(Q_OS_MACX)
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#include <sys/statvfs.h>
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#endif
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#if defined(Q_OS_LINUX) || defined(Q_OS_MACX)
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#include <stdio.h>
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#endif
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#if defined(Q_OS_LINUX)
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#include <mntent.h>
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#endif
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#if defined(Q_OS_MACX) || defined(Q_OS_OPENBSD)
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#include <sys/param.h>
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#include <sys/ucred.h>
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#include <sys/mount.h>
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#endif
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#if defined(Q_OS_WIN32)
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#include <stdio.h>
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#include <tchar.h>
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#include <windows.h>
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#include <setupapi.h>
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#include <winioctl.h>
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#endif
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#if defined(Q_OS_MACX)
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#include <CoreFoundation/CoreFoundation.h>
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#include <CoreServices/CoreServices.h>
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#include <IOKit/IOKitLib.h>
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#endif
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// recursive function to delete a dir with files
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bool Utils::recursiveRmdir( const QString &dirName )
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{
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QString dirN = dirName;
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QDir dir(dirN);
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// make list of entries in directory
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QStringList list = dir.entryList(QDir::AllEntries | QDir::NoDotAndDotDot);
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QFileInfo fileInfo;
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QString curItem, lstAt;
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for(int i = 0; i < list.size(); i++){ // loop through all items of list
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QString name = list.at(i);
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curItem = dirN + "/" + name;
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fileInfo.setFile(curItem);
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if(fileInfo.isDir()) // is directory
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recursiveRmdir(curItem); // call recRmdir() recursively for
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// deleting subdirectory
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else // is file
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QFile::remove(curItem); // ok, delete file
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}
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dir.cdUp();
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return dir.rmdir(dirN); // delete empty dir and return if (now empty)
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// dir-removing was successfull
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}
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//! @brief resolves the given path, ignoring case.
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//! @param path absolute path to resolve.
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//! @return returns exact casing of path, empty string if path not found.
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QString Utils::resolvePathCase(QString path)
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{
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QStringList elems;
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QString realpath;
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elems = path.split("/", QString::SkipEmptyParts);
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int start;
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#if defined(Q_OS_WIN32)
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// on windows we must make sure to start with the first entry (i.e. the
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// drive letter) instead of a single / to make resolving work.
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start = 1;
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realpath = elems.at(0) + "/";
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#else
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start = 0;
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realpath = "/";
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#endif
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for(int i = start; i < elems.size(); i++) {
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QStringList direlems
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= QDir(realpath).entryList(QDir::AllEntries|QDir::Hidden|QDir::System);
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if(direlems.contains(elems.at(i), Qt::CaseInsensitive)) {
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// need to filter using QRegExp as QStringList::filter(QString)
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// matches any substring
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QString expr = QString("^" + elems.at(i) + "$");
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QRegExp rx = QRegExp(expr, Qt::CaseInsensitive);
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QStringList a = direlems.filter(rx);
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if(a.size() != 1)
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return QString("");
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if(!realpath.endsWith("/"))
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realpath += "/";
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realpath += a.at(0);
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}
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else
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return QString("");
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}
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qDebug() << "[Utils] resolving path" << path << "->" << realpath;
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return realpath;
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}
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QString Utils::filesystemName(QString path)
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{
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QString name;
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#if defined(Q_OS_WIN32)
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wchar_t volname[MAX_PATH+1];
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bool res = GetVolumeInformationW((LPTSTR)path.utf16(), volname, MAX_PATH+1,
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NULL, NULL, NULL, NULL, 0);
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if(res) {
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name = QString::fromWCharArray(volname);
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}
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#endif
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#if defined(Q_OS_MACX)
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// BSD label does not include folder.
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QString bsd = Utils::resolveDevicename(path).remove("/dev/");
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if(bsd.isEmpty()) {
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return name;
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}
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OSStatus result;
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ItemCount index = 1;
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do {
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FSVolumeRefNum volrefnum;
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HFSUniStr255 volname;
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result = FSGetVolumeInfo(kFSInvalidVolumeRefNum, index, &volrefnum,
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kFSVolInfoFSInfo, NULL, &volname, NULL);
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if(result == noErr) {
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GetVolParmsInfoBuffer volparms;
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HParamBlockRec hpb;
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hpb.ioParam.ioNamePtr = NULL;
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hpb.ioParam.ioVRefNum = volrefnum;
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hpb.ioParam.ioBuffer = (Ptr)&volparms;
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hpb.ioParam.ioReqCount = sizeof(volparms);
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if(PBHGetVolParmsSync(&hpb) == noErr) {
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if(volparms.vMServerAdr == 0) {
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if(bsd == (char*)volparms.vMDeviceID) {
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name = QString::fromUtf16((const ushort*)volname.unicode,
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(int)volname.length);
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break;
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}
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}
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}
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}
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index++;
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} while(result == noErr);
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#endif
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qDebug() << "[Utils] Volume name of" << path << "is" << name;
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return name;
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}
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//! @brief figure the free disk space on a filesystem
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//! @param path path on the filesystem to check
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//! @return size in bytes
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qulonglong Utils::filesystemFree(QString path)
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{
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qulonglong size = filesystemSize(path, FilesystemFree);
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qDebug() << "[Utils] free disk space for" << path << size;
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return size;
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}
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qulonglong Utils::filesystemTotal(QString path)
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{
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qulonglong size = filesystemSize(path, FilesystemTotal);
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qDebug() << "[Utils] total disk space for" << path << size;
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return size;
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}
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qulonglong Utils::filesystemClusterSize(QString path)
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{
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qulonglong size = filesystemSize(path, FilesystemClusterSize);
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qDebug() << "[Utils] cluster size for" << path << size;
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return size;
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}
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qulonglong Utils::filesystemSize(QString path, enum Utils::Size type)
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{
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qlonglong size = 0;
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#if defined(Q_OS_LINUX) || defined(Q_OS_MACX)
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// the usage of statfs() is deprecated by the LSB so use statvfs().
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struct statvfs fs;
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int ret;
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ret = statvfs(qPrintable(path), &fs);
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if(ret == 0) {
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if(type == FilesystemFree) {
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size = (qulonglong)fs.f_frsize * (qulonglong)fs.f_bavail;
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}
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if(type == FilesystemTotal) {
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size = (qulonglong)fs.f_frsize * (qulonglong)fs.f_blocks;
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}
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if(type == FilesystemClusterSize) {
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size = (qulonglong)fs.f_frsize;
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}
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}
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#endif
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#if defined(Q_OS_WIN32)
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BOOL ret;
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ULARGE_INTEGER freeAvailBytes;
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ULARGE_INTEGER totalNumberBytes;
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ret = GetDiskFreeSpaceExW((LPCTSTR)path.utf16(), &freeAvailBytes,
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&totalNumberBytes, NULL);
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if(ret) {
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if(type == FilesystemFree) {
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size = freeAvailBytes.QuadPart;
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}
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if(type == FilesystemTotal) {
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size = totalNumberBytes.QuadPart;
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}
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if(type == FilesystemClusterSize) {
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DWORD sectorsPerCluster;
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DWORD bytesPerSector;
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DWORD freeClusters;
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DWORD totalClusters;
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ret = GetDiskFreeSpaceW((LPCTSTR)path.utf16(), §orsPerCluster,
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&bytesPerSector, &freeClusters, &totalClusters);
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if(ret) {
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size = bytesPerSector * sectorsPerCluster;
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}
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}
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}
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#endif
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return size;
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}
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//! \brief searches for a Executable in the Environement Path
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QString Utils::findExecutable(QString name)
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{
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QString exepath;
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//try autodetect tts
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#if defined(Q_OS_LINUX) || defined(Q_OS_MACX) || defined(Q_OS_OPENBSD)
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QStringList path = QString(getenv("PATH")).split(":", QString::SkipEmptyParts);
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#elif defined(Q_OS_WIN)
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QStringList path = QString(getenv("PATH")).split(";", QString::SkipEmptyParts);
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#endif
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qDebug() << "[Utils] system path:" << path;
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for(int i = 0; i < path.size(); i++)
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{
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QString executable = QDir::fromNativeSeparators(path.at(i)) + "/" + name;
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#if defined(Q_OS_WIN)
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executable += ".exe";
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QStringList ex = executable.split("\"", QString::SkipEmptyParts);
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executable = ex.join("");
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#endif
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qDebug() << "[Utils] executable:" << executable;
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if(QFileInfo(executable).isExecutable())
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{
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return QDir::toNativeSeparators(executable);
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}
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}
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return "";
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}
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/** @brief checks different Enviroment things. Ask if user wants to continue.
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* @param permission if it should check for permission
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* @return string with error messages if problems occurred, empty strings if none.
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*/
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QString Utils::checkEnvironment(bool permission)
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{
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QString text = "";
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// check permission
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if(permission)
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{
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#if defined(Q_OS_WIN32)
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if(System::userPermissions() != System::ADMIN)
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{
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text += tr("<li>Permissions insufficient for bootloader "
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"installation.\nAdministrator priviledges are necessary.</li>");
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}
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#endif
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}
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// Check TargetId
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RockboxInfo rbinfo(RbSettings::value(RbSettings::Mountpoint).toString());
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QString installed = rbinfo.target();
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if(!installed.isEmpty() && installed !=
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SystemInfo::value(SystemInfo::CurConfigureModel).toString())
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{
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text += tr("<li>Target mismatch detected.\n"
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"Installed target: %1, selected target: %2.</li>")
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.arg(installed, SystemInfo::value(SystemInfo::CurPlatformName).toString());
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// FIXME: replace installed by human-friendly name
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}
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if(!text.isEmpty())
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return tr("Problem detected:") + "<ul>" + text + "</ul>";
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else
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return text;
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}
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/** @brief Compare two version strings.
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* @param s1 first version string
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* @param s2 second version string
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* @return 0 if strings identical, 1 if second is newer, -1 if first.
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*/
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int Utils::compareVersionStrings(QString s1, QString s2)
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{
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qDebug() << "[Utils] comparing version strings" << s1 << "and" << s2;
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QString a = s1.trimmed();
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QString b = s2.trimmed();
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// if strings are identical return 0.
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if(a.isEmpty())
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return 1;
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if(b.isEmpty())
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return -1;
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while(!a.isEmpty() || !b.isEmpty()) {
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// trim all leading non-digits and non-dots (dots are removed afterwards)
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a.remove(QRegExp("^[^\\d\\.]*"));
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b.remove(QRegExp("^[^\\d\\.]*"));
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// trim all trailing non-digits for conversion (QString::toInt()
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// requires this). Copy strings first as replace() changes the string.
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QString numa = a;
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QString numb = b;
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numa.remove(QRegExp("\\D+.*$"));
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numb.remove(QRegExp("\\D+.*$"));
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// convert to number
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bool ok1, ok2;
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int vala = numa.toUInt(&ok1);
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int valb = numb.toUInt(&ok2);
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// if none of the numbers converted successfully we're at trailing garbage.
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if(!ok1 && !ok2)
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break;
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if(!ok1)
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return 1;
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if(!ok2)
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return -1;
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// if numbers mismatch we have a decision.
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if(vala != valb)
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return (vala > valb) ? -1 : 1;
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// trim leading digits.
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a.remove(QRegExp("^\\d*"));
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b.remove(QRegExp("^\\d*"));
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// If only one of the following characters is a dot that one is
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// "greater" then anything else. Make sure it's followed by a number,
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// Otherwise it might be the end of the string or suffix. Do this
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// before version addon characters check to avoid stopping too early.
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bool adot = a.contains(QRegExp("^[a-zA-Z]*\\.[0-9]"));
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bool bdot = b.contains(QRegExp("^[a-zA-Z]*\\.[0-9]"));
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if(adot && !bdot)
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return -1;
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if(!adot && bdot)
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return 1;
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// if number is immediately followed by a character consider it as
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// version addon (like 1.2.3b). In this case compare characters and end
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// (version numbers like 1.2b.3 aren't handled).
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QChar ltra;
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QChar ltrb;
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if(a.contains(QRegExp("^[a-zA-Z]")))
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ltra = a.at(0);
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if(b.contains(QRegExp("^[a-zA-Z]")))
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ltrb = b.at(0);
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if(ltra != ltrb)
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return (ltra < ltrb) ? 1 : -1;
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// both are identical or no addon characters, ignore.
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// remove modifiers and following dot.
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a.remove(QRegExp("^[a-zA-Z]*\\."));
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b.remove(QRegExp("^[a-zA-Z]*\\."));
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}
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// no differences found.
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return 0;
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}
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/** Resolve mountpoint to devicename / disk number
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* @param path mountpoint path / drive letter
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* @return devicename / disk number
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*/
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QString Utils::resolveDevicename(QString path)
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{
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qDebug() << "[Utils] resolving device name" << path;
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#if defined(Q_OS_LINUX)
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FILE *mn = setmntent("/etc/mtab", "r");
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if(!mn)
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return QString("");
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struct mntent *ent;
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while((ent = getmntent(mn))) {
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// check for valid filesystem type.
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// Linux can handle hfs (and hfsplus), so consider it a valid file
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// system. Otherwise resolving the device name would fail, which in
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// turn would make it impossible to warn about a MacPod.
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if(QString(ent->mnt_dir) == path
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&& (QString(ent->mnt_type).contains("vfat", Qt::CaseInsensitive)
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|| QString(ent->mnt_type).contains("hfs", Qt::CaseInsensitive))) {
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endmntent(mn);
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qDebug() << "[Utils] device name is" << ent->mnt_fsname;
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return QString(ent->mnt_fsname);
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}
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}
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endmntent(mn);
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#endif
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#if defined(Q_OS_MACX) || defined(Q_OS_OPENBSD)
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int num;
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struct statfs *mntinf;
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num = getmntinfo(&mntinf, MNT_WAIT);
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while(num--) {
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// check for valid filesystem type. OS X can handle hfs (hfs+ is
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// treated as hfs), BSD should be the same.
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if(QString(mntinf->f_mntonname) == path
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&& (QString(mntinf->f_fstypename).contains("msdos", Qt::CaseInsensitive)
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|| QString(mntinf->f_fstypename).contains("hfs", Qt::CaseInsensitive))) {
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qDebug() << "[Utils] device name is" << mntinf->f_mntfromname;
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return QString(mntinf->f_mntfromname);
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}
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mntinf++;
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}
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#endif
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#if defined(Q_OS_WIN32)
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DWORD written;
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HANDLE h;
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TCHAR uncpath[MAX_PATH];
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UCHAR buffer[0x400];
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PVOLUME_DISK_EXTENTS extents = (PVOLUME_DISK_EXTENTS)buffer;
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_stprintf(uncpath, _TEXT("\\\\.\\%c:"), path.toAscii().at(0));
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h = CreateFile(uncpath, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL, OPEN_EXISTING, 0, NULL);
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if(h == INVALID_HANDLE_VALUE) {
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//qDebug() << "error getting extents for" << uncpath;
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return "";
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}
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// get the extents
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if(DeviceIoControl(h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS,
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NULL, 0, extents, sizeof(buffer), &written, NULL)) {
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if(extents->NumberOfDiskExtents > 1) {
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qDebug() << "[Utils] resolving device name: volume spans multiple disks!";
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return "";
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}
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qDebug() << "[Utils] device name is" << extents->Extents[0].DiskNumber;
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return QString("%1").arg(extents->Extents[0].DiskNumber);
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}
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#endif
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return QString("");
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}
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/** resolve device name to mount point / drive letter
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* @param device device name / disk number
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* @return mount point / drive letter
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*/
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QString Utils::resolveMountPoint(QString device)
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{
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qDebug() << "[Utils] resolving mountpoint:" << device;
|
|
|
|
#if defined(Q_OS_LINUX)
|
|
FILE *mn = setmntent("/etc/mtab", "r");
|
|
if(!mn)
|
|
return QString("");
|
|
|
|
struct mntent *ent;
|
|
while((ent = getmntent(mn))) {
|
|
// Check for valid filesystem. Allow hfs too, as an Ipod might be a
|
|
// MacPod.
|
|
if(QString(ent->mnt_fsname) == device) {
|
|
QString result;
|
|
if(QString(ent->mnt_type).contains("vfat", Qt::CaseInsensitive)
|
|
|| QString(ent->mnt_type).contains("hfs", Qt::CaseInsensitive)) {
|
|
qDebug() << "[Utils] resolved mountpoint is:" << ent->mnt_dir;
|
|
result = QString(ent->mnt_dir);
|
|
}
|
|
else {
|
|
qDebug() << "[Utils] mountpoint is wrong filesystem!";
|
|
}
|
|
endmntent(mn);
|
|
return result;
|
|
}
|
|
}
|
|
endmntent(mn);
|
|
|
|
#endif
|
|
|
|
#if defined(Q_OS_MACX) || defined(Q_OS_OPENBSD)
|
|
int num;
|
|
struct statfs *mntinf;
|
|
|
|
num = getmntinfo(&mntinf, MNT_WAIT);
|
|
while(num--) {
|
|
// Check for valid filesystem. Allow hfs too, as an Ipod might be a
|
|
// MacPod.
|
|
if(QString(mntinf->f_mntfromname) == device) {
|
|
if(QString(mntinf->f_fstypename).contains("msdos", Qt::CaseInsensitive)
|
|
|| QString(mntinf->f_fstypename).contains("hfs", Qt::CaseInsensitive)) {
|
|
qDebug() << "[Utils] resolved mountpoint is:" << mntinf->f_mntonname;
|
|
return QString(mntinf->f_mntonname);
|
|
}
|
|
else {
|
|
qDebug() << "[Utils] mountpoint is wrong filesystem!";
|
|
return QString();
|
|
}
|
|
}
|
|
mntinf++;
|
|
}
|
|
#endif
|
|
|
|
#if defined(Q_OS_WIN32)
|
|
QString result;
|
|
unsigned int driveno = device.replace(QRegExp("^.*([0-9]+)"), "\\1").toInt();
|
|
|
|
int letter;
|
|
for(letter = 'A'; letter <= 'Z'; letter++) {
|
|
if(resolveDevicename(QString(letter)).toUInt() == driveno) {
|
|
result = letter;
|
|
qDebug() << "[Utils] resolved mountpoint is:" << result;
|
|
break;
|
|
}
|
|
}
|
|
if(!result.isEmpty())
|
|
return result + ":/";
|
|
#endif
|
|
qDebug() << "[Utils] resolving mountpoint failed!";
|
|
return QString("");
|
|
}
|
|
|
|
|
|
QStringList Utils::mountpoints()
|
|
{
|
|
QStringList tempList;
|
|
#if defined(Q_OS_WIN32)
|
|
QFileInfoList list = QDir::drives();
|
|
for(int i=0; i<list.size();i++)
|
|
{
|
|
tempList << list.at(i).absolutePath();
|
|
qDebug() << "[Utils] Mounted on" << list.at(i).absolutePath();
|
|
}
|
|
|
|
#elif defined(Q_OS_MACX) || defined(Q_OS_OPENBSD)
|
|
int num;
|
|
struct statfs *mntinf;
|
|
|
|
num = getmntinfo(&mntinf, MNT_WAIT);
|
|
while(num--) {
|
|
tempList << QString(mntinf->f_mntonname);
|
|
qDebug() << "[Utils] Mounted on" << mntinf->f_mntonname
|
|
<< "is" << mntinf->f_mntfromname << "type" << mntinf->f_fstypename;
|
|
mntinf++;
|
|
}
|
|
#elif defined(Q_OS_LINUX)
|
|
|
|
FILE *mn = setmntent("/etc/mtab", "r");
|
|
if(!mn)
|
|
return QStringList("");
|
|
|
|
struct mntent *ent;
|
|
while((ent = getmntent(mn))) {
|
|
tempList << QString(ent->mnt_dir);
|
|
qDebug() << "[Utils] Mounted on" << ent->mnt_dir
|
|
<< "is" << ent->mnt_fsname << "type" << ent->mnt_type;
|
|
}
|
|
endmntent(mn);
|
|
|
|
#else
|
|
#error Unknown Platform
|
|
#endif
|
|
return tempList;
|
|
}
|
|
|
|
|