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properly initialize QDataStream members

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2021-01-05 05:23:26 +02:00
parent 2fb26c74a6
commit d129064020
1 changed files with 28 additions and 25 deletions
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53
src/core/io/qdatastream.cpp
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@ -224,7 +224,6 @@ QT_BEGIN_NAMESPACE
QDataStream member functions
*****************************************************************************/
#undef CHECK_STREAM_PRECOND
#ifndef QT_NO_DEBUG
#define CHECK_STREAM_PRECOND(retVal) \
if (!dev) { \
@ -253,14 +252,14 @@ QT_BEGIN_NAMESPACE
*/
QDataStream::QDataStream()
: d(Q_NULLPTR),
dev(Q_NULLPTR),
owndev(false),
noswap(QSysInfo::ByteOrder == QSysInfo::BigEndian),
byteorder(QDataStream::BigEndian),
ver(QDataStream::Qt_Default),
q_status(QDataStream::Ok)
{
d = Q_NULLPTR;
dev = 0;
owndev = false;
byteorder = BigEndian;
ver = QDataStream::Qt_Default;
noswap = QSysInfo::ByteOrder == QSysInfo::BigEndian;
q_status = Ok;
}
/*!
@ -276,14 +275,14 @@ QDataStream::QDataStream()
*/
QDataStream::QDataStream(QIODevice *device)
: d(Q_NULLPTR),
dev(device),
owndev(false),
noswap(QSysInfo::ByteOrder == QSysInfo::BigEndian),
byteorder(QDataStream::BigEndian),
ver(QDataStream::Qt_Default),
q_status(QDataStream::Ok)
{
d = Q_NULLPTR;
dev = device; // set device
owndev = false;
byteorder = BigEndian; // default byte order
ver = QDataStream::Qt_Default;
noswap = QSysInfo::ByteOrder == QSysInfo::BigEndian;
q_status = Ok;
}
@ -301,8 +300,14 @@ QDataStream::QDataStream(QIODevice *device)
*/
QDataStream::QDataStream(QByteArray *a, QIODevice::OpenMode flags)
: d(Q_NULLPTR),
dev(Q_NULLPTR),
owndev(false),
noswap(QSysInfo::ByteOrder == QSysInfo::BigEndian),
byteorder(QDataStream::BigEndian),
ver(QDataStream::Qt_Default),
q_status(QDataStream::Ok)
{
d = Q_NULLPTR;
QBuffer *buf = new QBuffer(a);
#ifndef QT_NO_QOBJECT
buf->blockSignals(true);
@ -310,10 +315,6 @@ QDataStream::QDataStream(QByteArray *a, QIODevice::OpenMode flags)
buf->open(flags);
dev = buf;
owndev = true;
byteorder = BigEndian;
ver = QDataStream::Qt_Default;
noswap = QSysInfo::ByteOrder == QSysInfo::BigEndian;
q_status = Ok;
}
/*!
@ -325,8 +326,14 @@ QDataStream::QDataStream(QByteArray *a, QIODevice::OpenMode flags)
is created to wrap the byte array.
*/
QDataStream::QDataStream(const QByteArray &a)
: d(Q_NULLPTR),
dev(Q_NULLPTR),
owndev(false),
noswap(QSysInfo::ByteOrder == QSysInfo::BigEndian),
byteorder(QDataStream::BigEndian),
ver(QDataStream::Qt_Default),
q_status(QDataStream::Ok)
{
d = Q_NULLPTR;
QBuffer *buf = new QBuffer;
#ifndef QT_NO_QOBJECT
buf->blockSignals(true);
@ -335,10 +342,6 @@ QDataStream::QDataStream(const QByteArray &a)
buf->open(QIODevice::ReadOnly);
dev = buf;
owndev = true;
byteorder = BigEndian;
ver = QDataStream::Qt_Default;
noswap = QSysInfo::ByteOrder == QSysInfo::BigEndian;
q_status = Ok;
}
/*!