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fixed GH #2106: Undefined behavior in Delegate::equals()

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This commit is contained in:
Günter Obiltschnig 2018-03-06 18:26:49 +01:00
parent d73bb2ea86
commit 0d3c3ce4d4
1 changed files with 20 additions and 20 deletions
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40
Foundation/include/Poco/Delegate.h
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@ -28,14 +28,14 @@
namespace Poco {
template <class TObj, class TArgs, bool withSender = true>
template <class TObj, class TArgs, bool withSender = true>
class Delegate: public AbstractDelegate<TArgs>
{
public:
typedef void (TObj::*NotifyMethod)(const void*, TArgs&);
Delegate(TObj* obj, NotifyMethod method):
_receiverObject(obj),
_receiverObject(obj),
_receiverMethod(method)
{
}
@ -50,7 +50,7 @@ public:
~Delegate()
{
}
Delegate& operator = (const Delegate& delegate)
{
if (&delegate != this)
@ -74,7 +74,7 @@ public:
bool equals(const AbstractDelegate<TArgs>& other) const
{
const Delegate* pOtherDelegate = reinterpret_cast<const Delegate*>(other.unwrap());
const Delegate* pOtherDelegate = dynamic_cast<const Delegate*>(other.unwrap());
return pOtherDelegate && _receiverObject == pOtherDelegate->_receiverObject && _receiverMethod == pOtherDelegate->_receiverMethod;
}
@ -82,7 +82,7 @@ public:
{
return new Delegate(*this);
}
void disable()
{
Mutex::ScopedLock lock(_mutex);
@ -99,14 +99,14 @@ private:
};
template <class TObj, class TArgs>
template <class TObj, class TArgs>
class Delegate<TObj, TArgs, false>: public AbstractDelegate<TArgs>
{
public:
typedef void (TObj::*NotifyMethod)(TArgs&);
Delegate(TObj* obj, NotifyMethod method):
_receiverObject(obj),
_receiverObject(obj),
_receiverMethod(method)
{
}
@ -121,7 +121,7 @@ public:
~Delegate()
{
}
Delegate& operator = (const Delegate& delegate)
{
if (&delegate != this)
@ -145,7 +145,7 @@ public:
bool equals(const AbstractDelegate<TArgs>& other) const
{
const Delegate* pOtherDelegate = reinterpret_cast<const Delegate*>(other.unwrap());
const Delegate* pOtherDelegate = dynamic_cast<const Delegate*>(other.unwrap());
return pOtherDelegate && _receiverObject == pOtherDelegate->_receiverObject && _receiverMethod == pOtherDelegate->_receiverMethod;
}
@ -153,7 +153,7 @@ public:
{
return new Delegate(*this);
}
void disable()
{
Mutex::ScopedLock lock(_mutex);
@ -240,14 +240,14 @@ inline FunctionDelegate<TArgs, false> delegate(void (*NotifyMethod)(TArgs&))
}
template <class TObj>
template <class TObj>
class Delegate<TObj,void,true>: public AbstractDelegate<void>
{
public:
typedef void (TObj::*NotifyMethod)(const void*);
Delegate(TObj* obj, NotifyMethod method):
_receiverObject(obj),
_receiverObject(obj),
_receiverMethod(method)
{
}
@ -262,7 +262,7 @@ public:
~Delegate()
{
}
Delegate& operator = (const Delegate& delegate)
{
if (&delegate != this)
@ -286,7 +286,7 @@ public:
bool equals(const AbstractDelegate<void>& other) const
{
const Delegate* pOtherDelegate = reinterpret_cast<const Delegate*>(other.unwrap());
const Delegate* pOtherDelegate = dynamic_cast<const Delegate*>(other.unwrap());
return pOtherDelegate && _receiverObject == pOtherDelegate->_receiverObject && _receiverMethod == pOtherDelegate->_receiverMethod;
}
@ -294,7 +294,7 @@ public:
{
return new Delegate(*this);
}
void disable()
{
Mutex::ScopedLock lock(_mutex);
@ -311,14 +311,14 @@ private:
};
template <class TObj>
template <class TObj>
class Delegate<TObj, void, false>: public AbstractDelegate<void>
{
public:
typedef void (TObj::*NotifyMethod)();
Delegate(TObj* obj, NotifyMethod method):
_receiverObject(obj),
_receiverObject(obj),
_receiverMethod(method)
{
}
@ -333,7 +333,7 @@ public:
~Delegate()
{
}
Delegate& operator = (const Delegate& delegate)
{
if (&delegate != this)
@ -357,7 +357,7 @@ public:
bool equals(const AbstractDelegate<void>& other) const
{
const Delegate* pOtherDelegate = reinterpret_cast<const Delegate*>(other.unwrap());
const Delegate* pOtherDelegate = dynamic_cast<const Delegate*>(other.unwrap());
return pOtherDelegate && _receiverObject == pOtherDelegate->_receiverObject && _receiverMethod == pOtherDelegate->_receiverMethod;
}
@ -365,7 +365,7 @@ public:
{
return new Delegate(*this);
}
void disable()
{
Mutex::ScopedLock lock(_mutex);