diff options
Diffstat (limited to 'src/corelib/tools/qbytearray.cpp')
-rw-r--r-- | src/corelib/tools/qbytearray.cpp | 77 |
1 files changed, 24 insertions, 53 deletions
diff --git a/src/corelib/tools/qbytearray.cpp b/src/corelib/tools/qbytearray.cpp index 13b5230caf..472da9b3d1 100644 --- a/src/corelib/tools/qbytearray.cpp +++ b/src/corelib/tools/qbytearray.cpp @@ -585,7 +585,7 @@ QByteArray qUncompress(const uchar* data, int nbytes) d->data()[len] = 0; { - QByteArrayDataPtr dataPtr = { d.take() }; + QByteArrayDataPtr dataPtr = { reinterpret_cast<QByteArrayData *>(d.take()) }; return QByteArray(dataPtr); } @@ -618,9 +618,6 @@ static inline char qToLower(char c) return c; } -const QStaticByteArrayData<1> QByteArray::shared_null = { Q_STATIC_BYTE_ARRAY_DATA_HEADER_INITIALIZER(0), { 0 } }; -const QStaticByteArrayData<1> QByteArray::shared_empty = { Q_STATIC_BYTE_ARRAY_DATA_HEADER_INITIALIZER(0), { 0 } }; - /*! \class QByteArray \brief The QByteArray class provides an array of bytes. @@ -897,7 +894,7 @@ QByteArray &QByteArray::operator=(const QByteArray & other) { other.d->ref.ref(); if (!d->ref.deref()) - free(d); + Data::deallocate(d); d = other.d; return *this; } @@ -913,9 +910,9 @@ QByteArray &QByteArray::operator=(const char *str) { Data *x; if (!str) { - x = shared_null.data_ptr(); + x = Data::sharedNull(); } else if (!*str) { - x = shared_empty.data_ptr(); + x = Data::allocate(0); } else { int len = strlen(str); if (d->ref.isShared() || uint(len) + 1u > d->alloc @@ -927,7 +924,7 @@ QByteArray &QByteArray::operator=(const char *str) } x->ref.ref(); if (!d->ref.deref()) - free(d); + Data::deallocate(d); d = x; return *this; } @@ -1322,20 +1319,16 @@ void QByteArray::chop(int n) QByteArray::QByteArray(const char *data, int size) { if (!data) { - d = shared_null.data_ptr(); + d = Data::sharedNull(); } else { if (size < 0) size = strlen(data); if (!size) { - d = shared_empty.data_ptr(); + d = Data::allocate(0); } else { - d = static_cast<Data *>(::malloc(sizeof(Data) + uint(size) + 1u)); + d = Data::allocate(uint(size) + 1u); Q_CHECK_PTR(d); - d->ref.initializeOwned(); d->size = size; - d->alloc = uint(size) + 1u; - d->capacityReserved = false; - d->offset = sizeof(QByteArrayData); memcpy(d->data(), data, size); d->data()[size] = '\0'; } @@ -1352,15 +1345,11 @@ QByteArray::QByteArray(const char *data, int size) QByteArray::QByteArray(int size, char ch) { if (size <= 0) { - d = shared_empty.data_ptr(); + d = Data::allocate(0); } else { - d = static_cast<Data *>(::malloc(sizeof(Data) + uint(size) + 1u)); + d = Data::allocate(uint(size) + 1u); Q_CHECK_PTR(d); - d->ref.initializeOwned(); d->size = size; - d->alloc = uint(size) + 1u; - d->capacityReserved = false; - d->offset = sizeof(QByteArrayData); memset(d->data(), ch, size); d->data()[size] = '\0'; } @@ -1374,13 +1363,9 @@ QByteArray::QByteArray(int size, char ch) QByteArray::QByteArray(int size, Qt::Initialization) { - d = static_cast<Data *>(::malloc(sizeof(Data) + uint(size) + 1u)); + d = Data::allocate(uint(size) + 1u); Q_CHECK_PTR(d); - d->ref.initializeOwned(); d->size = size; - d->alloc = uint(size) + 1u; - d->capacityReserved = false; - d->offset = sizeof(QByteArrayData); d->data()[size] = '\0'; } @@ -1396,7 +1381,6 @@ QByteArray::QByteArray(int size, Qt::Initialization) \sa size(), truncate() */ - void QByteArray::resize(int size) { if (size < 0) @@ -1408,9 +1392,9 @@ void QByteArray::resize(int size) } if (size == 0 && !d->capacityReserved) { - Data *x = shared_empty.data_ptr(); + Data *x = Data::allocate(0); if (!d->ref.deref()) - free(d); + Data::deallocate(d); d = x; } else if (d->size == 0 && d->ref.isStatic()) { // @@ -1421,13 +1405,9 @@ void QByteArray::resize(int size) // which is used in place of the Qt 3 idiom: // QByteArray a(sz); // - Data *x = static_cast<Data *>(::malloc(sizeof(Data) + uint(size) + 1u)); + Data *x = Data::allocate(uint(size) + 1u); Q_CHECK_PTR(x); - x->ref.initializeOwned(); x->size = size; - x->alloc = uint(size) + 1u; - x->capacityReserved = false; - x->offset = sizeof(QByteArrayData); x->data()[size] = '\0'; d = x; } else { @@ -1467,17 +1447,13 @@ void QByteArray::reallocData(uint alloc, bool grow) alloc = qAllocMore(alloc, sizeof(Data)); if (d->ref.isShared() || IS_RAW_DATA(d)) { - Data *x = static_cast<Data *>(malloc(sizeof(Data) + alloc)); + Data *x = Data::allocate(alloc); Q_CHECK_PTR(x); - x->ref.initializeOwned(); x->size = qMin(int(alloc) - 1, d->size); - x->alloc = alloc; - x->capacityReserved = d->capacityReserved; - x->offset = sizeof(QByteArrayData); ::memcpy(x->data(), d->data(), x->size); x->data()[x->size] = '\0'; if (!d->ref.deref()) - free(d); + Data::deallocate(d); d = x; } else { Data *x = static_cast<Data *>(::realloc(d, sizeof(Data) + alloc)); @@ -2733,8 +2709,8 @@ QByteArray QByteArray::toUpper() const void QByteArray::clear() { if (!d->ref.deref()) - free(d); - d = shared_null.data_ptr(); + Data::deallocate(d); + d = Data::sharedNull(); } #if !defined(QT_NO_DATASTREAM) || (defined(QT_BOOTSTRAPPED) && !defined(QT_BUILD_QMAKE)) @@ -3176,7 +3152,7 @@ QByteArray QByteArray::trimmed() const } int l = end - start + 1; if (l <= 0) { - QByteArrayDataPtr empty = { shared_empty.data_ptr() }; + QByteArrayDataPtr empty = { reinterpret_cast<QByteArrayData *>(Data::allocate(0)) }; return QByteArray(empty); } return QByteArray(s+start, l); @@ -3256,7 +3232,7 @@ QByteArray QByteArray::rightJustified(int width, char fill, bool truncate) const return result; } -bool QByteArray::isNull() const { return d == &shared_null.ba; } +bool QByteArray::isNull() const { return d == QArrayData::sharedNull(); } /*! @@ -3884,19 +3860,14 @@ QByteArray QByteArray::fromRawData(const char *data, int size) { Data *x; if (!data) { - x = shared_null.data_ptr(); + x = Data::sharedNull(); } else if (!size) { - x = shared_empty.data_ptr(); + x = Data::allocate(0); } else { - x = static_cast<Data *>(malloc(sizeof(Data))); + x = Data::fromRawData(data, size); Q_CHECK_PTR(x); - x->ref.initializeOwned(); - x->size = size; - x->alloc = 0; - x->capacityReserved = false; - x->offset = data - reinterpret_cast<char *>(x); } - QByteArrayDataPtr dataPtr = { x }; + QByteArrayDataPtr dataPtr = { reinterpret_cast<QByteArrayData *>(x) }; return QByteArray(dataPtr); } |