view ui/tests/common.cpp @ 1306:845048d4a69f

(issue159) Use user specific appdata directory for nss list with simple rights. Using the ProgramData folder with resticted access rights failed in case the process was not elevated.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 13 Oct 2014 12:31:37 +0200
parents 17e1c8f37d72
children
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/* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
 * Software engineering by Intevation GmbH
 *
 * This file is Free Software under the GNU GPL (v>=2)
 * and comes with ABSOLUTELY NO WARRANTY!
 * See LICENSE.txt for details.
 */
#include <QString>
#include <QTemporaryFile>
#include <QDebug>
#include "common.h"

QString getRandomDataFile(size_t size, const QDir &inDir)
{
    QTemporaryFile *tmpfile;
    if (inDir != QDir()) {
        tmpfile = new QTemporaryFile(inDir.path() + "/downloadertest");
    } else {
        tmpfile = new QTemporaryFile();
    }
    tmpfile->setAutoRemove(false);
    tmpfile->open();
    size_t bufsize = 1024 * 1024;
    if (bufsize > size) {
        bufsize = size;
    }
    char buf[bufsize];

    for (size_t i = 0; i < bufsize; i++) {
        buf[i] = (char) qrand() % 255;
    }

    size_t bytesWritten=0;
    int retval = 0;
    do {
        size_t toWrite = size - bytesWritten;
        if (toWrite < bufsize) {
            retval = tmpfile->write(buf, toWrite);
        } else {
            retval = tmpfile->write(buf, bufsize);
        }
        bytesWritten += retval;
    } while (retval != -1 && bytesWritten < size);

    tmpfile->close();
    QString ret = tmpfile->fileName();
    delete tmpfile;
    return ret;
}

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