First commit

utils.cpp

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+/*
+ *  QCMA: Cross-platform content manager assistant for the PS Vita
+ *
+ *  Copyright (C) 2013  Codestation
+ *
+ *  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 "utils.h"
+
+#include <QDir>
+#include <QImage>
+
+extern "C" {
+#include <vitamtp.h>
+}
+
+#ifdef Q_OS_WIN32
+#include <windows.h>
+#else
+#include <sys/statvfs.h>
+#endif
+
+bool getDiskSpace(const QString &dir, quint64 *free, quint64 *total)
+{
+#ifdef Q_OS_WIN32
+
+    if(GetDiskFreeSpaceExW(dir.toStdWString().c_str(), free, total, NULL) != 0) {
+        return true;
+    }
+
+#else
+    struct statvfs64 stat;
+
+    if(statvfs64(dir.toUtf8().data(), &stat) == 0) {
+        *total = stat.f_frsize * stat.f_blocks;
+        *free = stat.f_frsize * stat.f_bfree;
+        return true;
+    }
+
+#endif
+    return false;
+}
+
+bool removeRecursively(const QString &dirName)
+{
+#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+    return QDir(dirName).removeRecursively();
+#else
+    bool result = false;
+    QDir dir(dirName);
+
+    if(dir.exists(dirName)) {
+        Q_FOREACH(QFileInfo info, dir.entryInfoList(QDir::NoDotAndDotDot | QDir::System | QDir::Hidden  | QDir::AllDirs | QDir::Files, QDir::DirsFirst)) {
+            if(info.isDir()) {
+                result = removeRecursively(info.absoluteFilePath());
+            } else {
+                result = QFile::remove(info.absoluteFilePath());
+            }
+
+            if(!result) {
+                return result;
+            }
+        }
+        result = dir.rmdir(dirName);
+    }
+
+    return result;
+#endif
+}