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#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 "qhash.h"

QT_BEGIN_NAMESPACE

// Environment ------------------------------------------------------
Q_CORE_EXPORT QHash<QByteArray, QByteArray> &qt_app_environment()
{
    static QHash<QByteArray, QByteArray> internalEnvironment;
    return internalEnvironment;
}

errno_t qt_fake_getenv_s(size_t *sizeNeeded, char *buffer, size_t bufferSize, const char *varName)
{
    if (!sizeNeeded)
        return EINVAL;

    QHash<QByteArray, QByteArray>::const_iterator iterator = qt_app_environment().constFind(varName);
    if (iterator == qt_app_environment().constEnd()) {
        if (buffer)
            buffer[0] = '\0';
        return ENOENT;
    }

    const int size = iterator->size() + 1;
    if (bufferSize < size_t(size)) {
        *sizeNeeded = size;
        return ERANGE;
    }

    qstrcpy(buffer, iterator->constData());
    return 0;
}

errno_t qt_fake__putenv_s(const char *varName, const char *value)
{
    QHash<QByteArray, QByteArray>::iterator iterator = qt_app_environment().find(varName);
    QHash<QByteArray, QByteArray>::iterator end = qt_app_environment().end();
    if (!value || !*value) {
        if (iterator != end)
            qt_app_environment().erase(iterator);
    } else {
        if (iterator == end)
            qt_app_environment()[varName] = QByteArray(value);
        else
            (*iterator) = value;
    }

    return 0;
}

QT_END_NAMESPACE

#endif // QFUNCTIONS_FAKE_ENV_P_H