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Fixed: Strict aliasing warnings

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This commit is contained in:
kervala 2016-12-10 18:55:31 +01:00
parent dca976b855
commit 2c5a5b15d6
4 changed files with 30 additions and 28 deletions
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2
code/nel/include/nel/misc/resource_ptr.h
View file

@ -108,7 +108,7 @@ template <class TPtr, class TKey, class TResourceFinder>
class CResourcePtr class CResourcePtr
{ {
private: private:
CRefCount::CPtrInfo *pinfo; // A ptr to the handle of the object. CRefCount::CPtrInfoBase *pinfo; // A ptr to the handle of the object.
TKey Key; // The key used to find the pointer TKey Key; // The key used to find the pointer
mutable TPtr *Ptr; // A cache for pinfo->Ptr. Useful to speed up ope->() and ope*() mutable TPtr *Ptr; // A cache for pinfo->Ptr. Useful to speed up ope->() and ope*()

16
code/nel/include/nel/misc/resource_ptr_inline.h
View file

@ -61,7 +61,7 @@ template <class TPtr, class TKey, class TResourceFinder> SMART_INLINE void CReso
if(pinfo->Ptr) if(pinfo->Ptr)
{ {
// Inform the Object that no more CResourcePtr points on it. // Inform the Object that no more CResourcePtr points on it.
((TPtr*)(pinfo->Ptr))->pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); ((TPtr*)(pinfo->Ptr))->pinfo = &CRefCount::NullPtrInfo;
} }
// Then delete the pinfo. // Then delete the pinfo.
delete pinfo; delete pinfo;
@ -74,7 +74,7 @@ template <class TPtr, class TKey, class TResourceFinder> SMART_INLINE void CReso
// Cons - dest. // Cons - dest.
template <class TPtr, class TKey, class TResourceFinder> inline CResourcePtr<TPtr, TKey, TResourceFinder>::CResourcePtr() template <class TPtr, class TKey, class TResourceFinder> inline CResourcePtr<TPtr, TKey, TResourceFinder>::CResourcePtr()
{ {
pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinf o= &CRefCount::NullPtrInfo;
Ptr= NULL; Ptr= NULL;
REF_TRACE("Smart()"); REF_TRACE("Smart()");
@ -95,7 +95,7 @@ template <class TPtr, class TKey, class TResourceFinder> inline CResourcePtr<TPt
pinfo->RefCount++; pinfo->RefCount++;
} }
else else
pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo = &CRefCount::NullPtrInfo;
REF_TRACE("Smart(TPtr*)"); REF_TRACE("Smart(TPtr*)");
} }
@ -117,7 +117,7 @@ template <class TPtr, class TKey, class TResourceFinder> inline CResourcePtr<TPt
REF_TRACE("~Smart()"); REF_TRACE("~Smart()");
unRef(); unRef();
pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo = &CRefCount::NullPtrInfo;
Ptr= NULL; Ptr= NULL;
} }
@ -142,7 +142,7 @@ template <class TPtr, class TKey, class TResourceFinder> CResourcePtr<TPtr, TKey
else else
{ {
unRef(); unRef();
pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo = &CRefCount::NullPtrInfo;
} }
@ -179,7 +179,7 @@ template <class TPtr, class TKey, class TResourceFinder> void CResourcePtr<T>::k
// First, release the refptr. // First, release the refptr.
unRef(); unRef();
pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo = &CRefCount::NullPtrInfo;
Ptr= NULL; Ptr= NULL;
// Then delete the pointer. // Then delete the pointer.
@ -196,7 +196,7 @@ template <class TPtr, class TKey, class TResourceFinder> inline CResourcePtr<TPt
// Refresh the Ptr. // Refresh the Ptr.
Ptr= (TPtr*)pinfo->Ptr; Ptr= (TPtr*)pinfo->Ptr;
if (pinfo != static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo)) if (pinfo != &CRefCount::NullPtrInfo)
{ {
// Does the pointer has been deleted ? // Does the pointer has been deleted ?
if (Ptr == NULL) if (Ptr == NULL)
@ -310,7 +310,7 @@ template <class TPtr, class TKey, class TResourceFinder> void CStaticResourcePtr
// First, release the refptr. // First, release the refptr.
unRef(); unRef();
pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo = &CRefCount::NullPtrInfo;
Ptr= NULL; Ptr= NULL;
// Then delete the pointer. // Then delete the pointer.

14
code/nel/include/nel/misc/smart_ptr.h
View file

@ -43,7 +43,7 @@ public:
/// Destructor which release pinfo if necessary. /// Destructor which release pinfo if necessary.
~CRefCount(); ~CRefCount();
/// Default constructor init crefs to 0. /// Default constructor init crefs to 0.
CRefCount() { crefs = 0; pinfo=static_cast<CPtrInfo*>(&NullPtrInfo); } CRefCount() { crefs = 0; pinfo = &NullPtrInfo; }
/* The instance handle. /* The instance handle.
Can't put those to private since must be used by CRefPtr (and friend doesn't work with template). Can't put those to private since must be used by CRefPtr (and friend doesn't work with template).
@ -56,6 +56,7 @@ public:
sint RefCount; // RefCount of ptrinfo (!= instance) sint RefCount; // RefCount of ptrinfo (!= instance)
bool IsNullPtrInfo; // For dll problems, must use a flag to mark NullPtrInfo. bool IsNullPtrInfo; // For dll problems, must use a flag to mark NullPtrInfo.
}; };
struct CPtrInfo : public CPtrInfoBase struct CPtrInfo : public CPtrInfoBase
{ {
CPtrInfo(CRefCount const* p) {Ptr=p; RefCount=0; IsNullPtrInfo=false;} CPtrInfo(CRefCount const* p) {Ptr=p; RefCount=0; IsNullPtrInfo=false;}
@ -76,12 +77,12 @@ public:
// Provide incref()/decref() function doen't work since decref() can't do a delete this on a non virtual dtor. // Provide incref()/decref() function doen't work since decref() can't do a delete this on a non virtual dtor.
// So Ptr gestion can only be used via CSmartPtr. // So Ptr gestion can only be used via CSmartPtr.
mutable sint crefs; // The ref counter for SmartPtr use. mutable sint crefs; // The ref counter for SmartPtr use.
mutable CPtrInfo *pinfo; // The ref ptr for RefPtr use. mutable CPtrInfoBase *pinfo; // The ref ptr for RefPtr use.
/// operator= must NOT copy crefs/pinfo!! /// operator= must NOT copy crefs/pinfo!!
CRefCount &operator=(const CRefCount &) {return *this;} CRefCount &operator=(const CRefCount &) {return *this;}
/// copy cons must NOT copy crefs/pinfo!! /// copy cons must NOT copy crefs/pinfo!!
CRefCount(const CRefCount &) {crefs = 0; pinfo=static_cast<CPtrInfo*>(&NullPtrInfo);} CRefCount(const CRefCount &) { crefs = 0; pinfo = &NullPtrInfo; }
}; };
// To use CVirtualRefPtr (or if you just want to have a RefCount with virtual destructor), derive from this class. // To use CVirtualRefPtr (or if you just want to have a RefCount with virtual destructor), derive from this class.
@ -99,7 +100,7 @@ public:
#define SMART_TRACE(_s) ((void)0) #define SMART_TRACE(_s) ((void)0)
#define REF_TRACE(_s) ((void)0) #define REF_TRACE(_s) ((void)0)
//#define SMART_TRACE(_s) printf("%s: %d \n", _s, Ptr?Ptr->crefs:0) //#define SMART_TRACE(_s) printf("%s: %d \n", _s, Ptr?Ptr->crefs:0)
//#define REF_TRACE(_s) printf("%s: %d \n", _s, pinfo!=&CRefCount::NullPtrInfo?pinfo->RefCount:0) //#define REF_TRACE(_s) printf("%s: %d \n", _s, pinfo != &CRefCount::NullPtrInfo?pinfo->RefCount:0)
/** /**
@ -294,7 +295,8 @@ template <class T>
class CRefPtr class CRefPtr
{ {
private: private:
CRefCount::CPtrInfo *pinfo; // A ptr to the handle of the object. CRefCount::CPtrInfoBase *pinfo; // A ptr to the handle of the object.
mutable T *Ptr; // A cache for pinfo->Ptr. Useful to speed up ope->() and ope*() mutable T *Ptr; // A cache for pinfo->Ptr. Useful to speed up ope->() and ope*()
void unRef() const; // Just release the handle pinfo, but do not update pinfo/Ptr, if deleted. void unRef() const; // Just release the handle pinfo, but do not update pinfo/Ptr, if deleted.
@ -380,7 +382,7 @@ template <class T>
class CVirtualRefPtr class CVirtualRefPtr
{ {
private: private:
CRefCount::CPtrInfo *pinfo; // A ptr to the handle of the object. CRefCount::CPtrInfoBase *pinfo; // A ptr to the handle of the object.
mutable T *Ptr; // A cache for pinfo->Ptr. Useful to speed up ope->() and ope*() mutable T *Ptr; // A cache for pinfo->Ptr. Useful to speed up ope->() and ope*()
void unRef() const; // Just release the handle pinfo, but do not update pinfo/Ptr, if deleted. void unRef() const; // Just release the handle pinfo, but do not update pinfo/Ptr, if deleted.

24
code/nel/include/nel/misc/smart_ptr_inline.h
View file

@ -134,7 +134,7 @@ SMART_INLINE void CRefPtr<T>::unRef() const
if(pinfo->Ptr) if(pinfo->Ptr)
{ {
// Inform the Object that no more CRefPtr points on it. // Inform the Object that no more CRefPtr points on it.
pinfo->Ptr->pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo->Ptr->pinfo = &CRefCount::NullPtrInfo;
} }
// Then delete the pinfo. // Then delete the pinfo.
delete pinfo; delete pinfo;
@ -148,7 +148,7 @@ SMART_INLINE void CRefPtr<T>::unRef() const
// Cons - dest. // Cons - dest.
template <class T> inline CRefPtr<T>::CRefPtr() template <class T> inline CRefPtr<T>::CRefPtr()
{ {
pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo = &CRefCount::NullPtrInfo;
Ptr= NULL; Ptr= NULL;
REF_TRACE("Smart()"); REF_TRACE("Smart()");
@ -170,7 +170,7 @@ template <class T> inline CRefPtr<T>::CRefPtr(T *v)
#endif #endif
} }
else else
pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo = &CRefCount::NullPtrInfo;
REF_TRACE("Smart(T*)"); REF_TRACE("Smart(T*)");
} }
@ -187,7 +187,7 @@ template <class T> inline CRefPtr<T>::~CRefPtr(void)
REF_TRACE("~Smart()"); REF_TRACE("~Smart()");
unRef(); unRef();
pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo = &CRefCount::NullPtrInfo;
Ptr= NULL; Ptr= NULL;
} }
@ -216,7 +216,7 @@ template <class T> CRefPtr<T> &CRefPtr<T>::operator=(T *v)
else else
{ {
unRef(); unRef();
pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo = &CRefCount::NullPtrInfo;
} }
@ -250,7 +250,7 @@ template <class T> void CRefPtr<T>::kill()
// First, release the refptr. // First, release the refptr.
unRef(); unRef();
pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo = &CRefCount::NullPtrInfo;
Ptr= NULL; Ptr= NULL;
// Then delete the pointer. // Then delete the pointer.
@ -316,7 +316,7 @@ SMART_INLINE void CVirtualRefPtr<T>::unRef() const
if(pinfo->Ptr) if(pinfo->Ptr)
{ {
// Inform the Object that no more CVirtualRefPtr points on it. // Inform the Object that no more CVirtualRefPtr points on it.
pinfo->Ptr->pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo->Ptr->pinfo = &CRefCount::NullPtrInfo;
} }
// Then delete the pinfo. // Then delete the pinfo.
delete pinfo; delete pinfo;
@ -330,7 +330,7 @@ SMART_INLINE void CVirtualRefPtr<T>::unRef() const
// Cons - dest. // Cons - dest.
template <class T> inline CVirtualRefPtr<T>::CVirtualRefPtr() template <class T> inline CVirtualRefPtr<T>::CVirtualRefPtr()
{ {
pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo = &CRefCount::NullPtrInfo;
Ptr= NULL; Ptr= NULL;
REF_TRACE("Smart()"); REF_TRACE("Smart()");
@ -352,7 +352,7 @@ template <class T> inline CVirtualRefPtr<T>::CVirtualRefPtr(T *v)
#endif #endif
} }
else else
pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo = &CRefCount::NullPtrInfo;
REF_TRACE("Smart(T*)"); REF_TRACE("Smart(T*)");
} }
@ -370,7 +370,7 @@ template <class T> inline CVirtualRefPtr<T>::~CVirtualRefPtr(void)
REF_TRACE("~Smart()"); REF_TRACE("~Smart()");
unRef(); unRef();
pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo = &CRefCount::NullPtrInfo;
Ptr= NULL; Ptr= NULL;
} }
@ -399,7 +399,7 @@ template <class T> CVirtualRefPtr<T> &CVirtualRefPtr<T>::operator=(T *v)
else else
{ {
unRef(); unRef();
pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo = &CRefCount::NullPtrInfo;
} }
@ -435,7 +435,7 @@ template <class T> void CVirtualRefPtr<T>::kill()
// First, release the refptr. // First, release the refptr.
unRef(); unRef();
pinfo= static_cast<CRefCount::CPtrInfo*>(&CRefCount::NullPtrInfo); pinfo = &CRefCount::NullPtrInfo;
Ptr= NULL; Ptr= NULL;
// Then delete the pointer. // Then delete the pointer.