kdelibs/kdecore/util/krandom.cpp
Ivailo Monev 787b44054e kdecore: optimize KRandom::randomString()
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
2021-03-10 20:59:21 +02:00

36 lines
1.3 KiB
C++

/* This file is part of the KDE libraries
Copyright (c) 1999 Matthias Kalle Dalheimer <kalle@kde.org>
Copyright (c) 2000 Charles Samuels <charles@kde.org>
Copyright (c) 2005 Joseph Wenninger <kde@jowenn.at>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "krandom.h"
QString KRandom::randomString(int length)
{
if (length <= 0)
return QString();
QString str(length, Qt::Uninitialized);
static const char rndstrchars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
for (int i = 0; i < length; i++) {
str[i] = rndstrchars[random() % 62];
}
return str;
}