diff options
Diffstat (limited to 'src/network/kernel/qhostaddress.cpp')
| -rw-r--r-- | src/network/kernel/qhostaddress.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/network/kernel/qhostaddress.cpp b/src/network/kernel/qhostaddress.cpp index 3d51ab4025..579567023e 100644 --- a/src/network/kernel/qhostaddress.cpp +++ b/src/network/kernel/qhostaddress.cpp @@ -1090,6 +1090,22 @@ bool QHostAddress::isLoopback() const return false; } +/*! + \since 5.6 + + Returns \c true if the address is an IPv4 or IPv6 multicast address, \c + false otherwise. +*/ +bool QHostAddress::isMulticast() const +{ + QT_ENSURE_PARSED(this); + if ((d->a & 0xF0000000) == 0xE0000000) + return true; // 224.0.0.0-239.255.255.255 (including v4-mapped IPv6 addresses) + if (d->protocol == QAbstractSocket::IPv6Protocol) + return d->a6.c[0] == 0xff; + return false; +} + #ifndef QT_NO_DEBUG_STREAM QDebug operator<<(QDebug d, const QHostAddress &address) { |