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List:       kde-devel
Subject:    Re: meinproc4 on Mac, KLocale (was Re: What to test for =?iso-8859-1?Q?4.13=3F)?=
From:       Thomas_Lübking <thomas.luebking () gmail ! com>
Date:       2014-03-18 23:21:54
Message-ID: cb1f6def-af05-48b6-8670-fc1ae79f8e64 () gmail ! com
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On Mittwoch, 19. März 2014 00:00:15 CEST, Luigi Toscano wrote:

> Yes, but it's more a workaround. It would be interesting to know why that
> string (which should contain some value, maybe) is NULL.

Seems this can happen:
http://idevapps.com/forum/showthread.php?tid=625

@Marko
in kdelibs/kdecore/localization/klocale_mac.cpp find
QString KLocaleMacPrivate::macLocaleValue( CFStringRef key ) const
{
    return convert_CFString_to_QString( CFStringRef( CFLocaleGetValue( m_macLocale, key ) ) );
}

and change it to

QString KLocaleMacPrivate::macLocaleValue( CFStringRef key ) const
{
    CFStringRef strRef = CFStringRef( CFLocaleGetValue( m_macLocale, key ) );
    qDebug() << "-----";
    CFShow(key);
    CFShow(strRef);
    qDebug() << "====";
    return convert_CFString_to_QString(strRef);
}

and in kdelibs/kdecore/kernel/kkernel_mac.cpp find (on the very top)


QString convert_CFString_to_QString(CFStringRef str) {
+    if (str == NULL) {
+        qDebug() << "This would have crashed.";
+        return QString();
+    }
    CFIndex length = CFStringGetLength(str);
    const UniChar *chars = CFStringGetCharactersPtr(str);
    if (chars)
        return QString(reinterpret_cast<const QChar *>(chars), length);

    QVarLengthArray<UniChar> buffer(length);
    CFStringGetCharacters(str, CFRangeMake(0, length), buffer.data());
    return QString(reinterpret_cast<const QChar *>(buffer.constData()), length);
}

Cheers,
Thomas

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