48fdf588a1
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19708 a1c6a512-1295-4272-9138-f99709370657
132 lines
4 KiB
C++
132 lines
4 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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#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_WIN32)
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#include <windows.h>
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#include <tchar.h>
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#include <winioctl.h>
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#endif
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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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// recursive function to delete a dir with files
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bool recRmdir( 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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recRmdir(curItem); // call recRmdir() recursively for 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) 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 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() << __func__ << path << "->" << realpath;
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return realpath;
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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 filesystemFree(QString path)
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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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size = fs.f_bsize * fs.f_bavail;
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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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ret = GetDiskFreeSpaceExW((LPCTSTR)path.utf16(), &freeAvailBytes, NULL, NULL);
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if(ret)
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size = freeAvailBytes.QuadPart;
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#endif
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return size;
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}
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