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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QFUNCTIONS_FAKE_ENV_P_H
#define QFUNCTIONS_FAKE_ENV_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of the QLibrary class. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
#include "qbytearray.h"
#include "qvector.h"
QT_BEGIN_NAMESPACE
// Environment ------------------------------------------------------
struct Variable {
Variable() { }
Variable(const QByteArray &name, const QByteArray &value)
: name(name), value(value) { }
QByteArray name;
QByteArray value;
};
Q_DECLARE_TYPEINFO(Variable, Q_MOVABLE_TYPE);
struct NameEquals {
typedef bool result_type;
const char *name;
explicit NameEquals(const char *name) Q_DECL_NOTHROW : name(name) {}
result_type operator()(const Variable &other) const Q_DECL_NOTHROW
{ return qstrcmp(other.name, name) == 0; }
};
Q_GLOBAL_STATIC(QVector<Variable>, qt_app_environment)
errno_t qt_fake_getenv_s(size_t *sizeNeeded, char *buffer, size_t bufferSize, const char *varName)
{
if (!sizeNeeded)
return EINVAL;
QVector<Variable>::const_iterator end = qt_app_environment->constEnd();
QVector<Variable>::const_iterator iterator = std::find_if(qt_app_environment->constBegin(),
end,
NameEquals(varName));
if (iterator == end) {
if (buffer)
buffer[0] = '\0';
return ENOENT;
}
const int size = iterator->value.size() + 1;
if (bufferSize < size_t(size)) {
*sizeNeeded = size;
return ERANGE;
}
qstrcpy(buffer, iterator->value.constData());
return 0;
}
errno_t qt_fake__putenv_s(const char *varName, const char *value)
{
QVector<Variable>::iterator end = qt_app_environment->end();
QVector<Variable>::iterator iterator = std::find_if(qt_app_environment->begin(),
end,
NameEquals(varName));
if (!value || !*value) {
if (iterator != end)
qt_app_environment->erase(iterator);
} else {
if (iterator == end)
qt_app_environment->append(Variable(varName, value));
else
iterator->value = value;
}
return 0;
}
QT_END_NAMESPACE
#endif // QFUNCTIONS_FAKE_ENV_P_H
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