diff options
Diffstat (limited to 'src/corelib/tools/qvector.h')
-rw-r--r-- | src/corelib/tools/qvector.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/corelib/tools/qvector.h b/src/corelib/tools/qvector.h index 22031645dc..0a32c96958 100644 --- a/src/corelib/tools/qvector.h +++ b/src/corelib/tools/qvector.h @@ -107,6 +107,7 @@ public: inline void detach(); inline bool isDetached() const { return !d->ref.isShared(); } +#if QT_SUPPORTS(UNSHARABLE_CONTAINERS) inline void setSharable(bool sharable) { if (sharable == d->ref.isSharable()) @@ -122,6 +123,7 @@ public: } Q_ASSERT(d->ref.isSharable() == sharable); } +#endif inline bool isSharedWith(const QVector<T> &other) const { return d == other.d; } @@ -348,10 +350,12 @@ template <typename T> void QVector<T>::detach() { if (!isDetached()) { - if (d->alloc) - reallocData(d->size, int(d->alloc)); - else +#if QT_SUPPORTS(UNSHARABLE_CONTAINERS) + if (!d->alloc) d = Data::unsharableEmpty(); + else +#endif + reallocData(d->size, int(d->alloc)); } Q_ASSERT(isDetached()); } @@ -503,7 +507,9 @@ void QVector<T>::reallocData(const int asize, const int aalloc, QArrayData::Allo x = Data::allocate(aalloc, options); Q_CHECK_PTR(x); // aalloc is bigger then 0 so it is not [un]sharedEmpty +#if QT_SUPPORTS(UNSHARABLE_CONTAINERS) Q_ASSERT(x->ref.isSharable() || options.testFlag(QArrayData::Unsharable)); +#endif Q_ASSERT(!x->ref.isStatic()); x->size = asize; @@ -569,7 +575,9 @@ void QVector<T>::reallocData(const int asize, const int aalloc, QArrayData::Allo Q_ASSERT(d->data()); Q_ASSERT(uint(d->size) <= d->alloc); +#if QT_SUPPORTS(UNSHARABLE_CONTAINERS) Q_ASSERT(d != Data::unsharableEmpty()); +#endif Q_ASSERT(aalloc ? d != Data::sharedNull() : d == Data::sharedNull()); Q_ASSERT(d->alloc >= uint(aalloc)); Q_ASSERT(d->size == asize); |