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Core: fix crash in QCollator if ucol_open() failed

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If ucol_open() failed, call back to QString::compare() implementation.

Task-number: QTBUG-44796
Change-Id: I03446e5227e1dedac6c5f824ac6d74a494fc0ace
Reviewed-by: Gergely Nagy <ngg@tresorit.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
This commit is contained in:
Liang Qi 2015-03-09 10:29:55 +01:00
parent a31fd4fb96
commit 8f06183699
1 changed files with 30 additions and 13 deletions
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43
src/corelib/tools/qcollator_icu.cpp
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@ -52,8 +52,12 @@ void QCollatorPrivate::init()
UErrorCode status = U_ZERO_ERROR;
QByteArray name = locale.bcp47Name().replace(QLatin1Char('-'), QLatin1Char('_')).toLatin1();
collator = ucol_open(name.constData(), &status);
if (U_FAILURE(status))
if (U_FAILURE(status)) {
qWarning("Could not create collator: %d", status);
collator = 0;
dirty = false;
return;
}
// enable normalization by default
ucol_setAttribute(collator, UCOL_NORMALIZATION_MODE, UCOL_ON, &status);
@ -97,17 +101,26 @@ int QCollator::compare(const QChar *s1, int len1, const QChar *s2, int len2) con
if (d->dirty)
d->init();
return ucol_strcoll(d->collator, (const UChar *)s1, len1, (const UChar *)s2, len2);
if (d->collator)
return ucol_strcoll(d->collator, (const UChar *)s1, len1, (const UChar *)s2, len2);
return QString::compare(QString(s1, len1), QString(s2, len2), d->caseSensitivity);
}
int QCollator::compare(const QString &s1, const QString &s2) const
{
return compare(s1.constData(), s1.size(), s2.constData(), s2.size());
if (d->collator)
return compare(s1.constData(), s1.size(), s2.constData(), s2.size());
return QString::compare(s1, s2, d->caseSensitivity);
}
int QCollator::compare(const QStringRef &s1, const QStringRef &s2) const
{
return compare(s1.constData(), s1.size(), s2.constData(), s2.size());
if (d->collator)
return compare(s1.constData(), s1.size(), s2.constData(), s2.size());
return QStringRef::compare(s1, s2, d->caseSensitivity);
}
QCollatorSortKey QCollator::sortKey(const QString &string) const
@ -115,16 +128,20 @@ QCollatorSortKey QCollator::sortKey(const QString &string) const
if (d->dirty)
d->init();
QByteArray result(16 + string.size() + (string.size() >> 2), Qt::Uninitialized);
int size = ucol_getSortKey(d->collator, (const UChar *)string.constData(),
string.size(), (uint8_t *)result.data(), result.size());
if (size > result.size()) {
result.resize(size);
size = ucol_getSortKey(d->collator, (const UChar *)string.constData(),
string.size(), (uint8_t *)result.data(), result.size());
if (d->collator) {
QByteArray result(16 + string.size() + (string.size() >> 2), Qt::Uninitialized);
int size = ucol_getSortKey(d->collator, (const UChar *)string.constData(),
string.size(), (uint8_t *)result.data(), result.size());
if (size > result.size()) {
result.resize(size);
size = ucol_getSortKey(d->collator, (const UChar *)string.constData(),
string.size(), (uint8_t *)result.data(), result.size());
}
result.truncate(size);
return QCollatorSortKey(new QCollatorSortKeyPrivate(result));
}
result.truncate(size);
return QCollatorSortKey(new QCollatorSortKeyPrivate(result));
return QCollatorSortKey(new QCollatorSortKeyPrivate(QByteArray()));
}
int QCollatorSortKey::compare(const QCollatorSortKey &otherKey) const