1 | /* |
2 | This file is part of the KDE libraries |
3 | |
4 | SPDX-FileCopyrightText: 1999 Matthias Kalle Dalheimer <kalle@kde.org> |
5 | SPDX-FileCopyrightText: 2000 Charles Samuels <charles@kde.org> |
6 | SPDX-FileCopyrightText: 2005 Joseph Wenninger <kde@jowenn.at> |
7 | |
8 | SPDX-License-Identifier: LGPL-2.0-or-later |
9 | */ |
10 | |
11 | #include "krandom.h" |
12 | |
13 | #include <stdlib.h> |
14 | #ifdef Q_OS_WIN |
15 | #include <process.h> |
16 | #else // Q_OS_WIN |
17 | #include <unistd.h> |
18 | #endif // Q_OS_WIN |
19 | #include <stdio.h> |
20 | #include <time.h> |
21 | #ifndef Q_OS_WIN |
22 | #include <sys/time.h> |
23 | #endif // Q_OS_WIN |
24 | #include <fcntl.h> |
25 | |
26 | #include <QFile> |
27 | #include <QThread> |
28 | #include <QThreadStorage> |
29 | |
30 | QString KRandom::randomString(int length) |
31 | { |
32 | if (length <= 0) { |
33 | return QString(); |
34 | } |
35 | |
36 | QString str; |
37 | str.resize(size: length); |
38 | int i = 0; |
39 | while (length--) { |
40 | int r = QRandomGenerator::global()->bounded(highest: 62); |
41 | r += 48; |
42 | if (r > 57) { |
43 | r += 7; |
44 | } |
45 | if (r > 90) { |
46 | r += 6; |
47 | } |
48 | str[i++] = QLatin1Char(char(r)); |
49 | // so what if I work backwards? |
50 | } |
51 | return str; |
52 | } |
53 | |