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c++ Programming Glossary: dangling

How to debug heap corruption errors?

http://stackoverflow.com/questions/1010106/how-to-debug-heap-corruption-errors

a segfault if it's dereferenced in most cases helps catch dangling pointers delayed free don't return freed memory to the heap.. keep it free filled but not available helps catch more dangling pointers catches proximate double frees tracking being able..

What is a smart pointer and when should I use one?

http://stackoverflow.com/questions/106508/what-is-a-smart-pointer-and-when-should-i-use-one

reference counted pointers the possibility of creating a dangling reference. Create the smart pointer on the heap MyObjectPtr..

Passing shared pointers as arguments

http://stackoverflow.com/questions/10826541/passing-shared-pointers-as-arguments

reference count and everything is cool Or does it leave a dangling pointer Are you still supposed to do this DoSomething myClassObject.Get..

Is returning by rvalue reference more efficient?

http://stackoverflow.com/questions/1116641/is-returning-by-rvalue-reference-more-efficient

Beta toAB const return move Beta_ab 1 1 This returns a dangling reference just like with the lvalue reference case. After the..

Do-While and if-else statements in C/C++ macros

http://stackoverflow.com/questions/154136/do-while-and-if-else-statements-in-c-c-macros

if ... else expands inside of an if ... else it leads to a dangling else which could make an existing dangling else problem even.. it leads to a dangling else which could make an existing dangling else problem even harder to find as in the following code. if.. The point is to use up the semicolon in contexts where a dangling semicolon is erroneous. Of course it could and probably should..

What is segmentation fault?

http://stackoverflow.com/questions/2346806/what-is-segmentation-fault

Is it different in C and C How are segmentation fault and dangling pointer related c c segmentation fault share improve this.. exist any more like here char p NULL char c p c Now p is dangling The pointer p dangles because it points to character variable.. after the block ended. And when you try to dereference dangling pointer like p 'A' you would probably get a segfault. share..

When and why will an OS initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?

http://stackoverflow.com/questions/370195/when-and-why-will-an-os-initialise-memory-to-0xcd-0xdd-etc-on-malloc-free-new

with delete or free. Used to detect writing through dangling pointers. 0xED or Aligned Fence 'No man's land' for aligned..

What is The Rule of Three?

http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three

a can be observed via b . Once b is destroyed a.name is a dangling pointer. If a is destroyed deleting the dangling pointer yields.. is a dangling pointer. If a is destroyed deleting the dangling pointer yields undefined behavior . Since the assignment does..

Does std::list::remove method call destructor of each removed element?

http://stackoverflow.com/questions/4260464/does-stdlistremove-method-call-destructor-of-each-removed-element

pointer twice yields undefined behavior . It becomes a dangling pointer after the first delete. Foo p new Foo Foo q p Has q..

What are the barriers to understanding pointers and what can be done to overcome them?

http://stackoverflow.com/questions/5727/what-are-the-barriers-to-understanding-pointers-and-what-can-be-done-to-overcome

might or might not work. This is a variation of the dangling pointer above. See its memory layout. Buffer overrun You move..

Object destruction in C++

http://stackoverflow.com/questions/6403055/object-destruction-in-c

to the scope of the local reference so you won't get a dangling reference const Foo r a b ^ first temporary a is destructed..

Can a local variable's memory be accessed outside its scope?

http://stackoverflow.com/questions/6441218/can-a-local-variables-memory-be-accessed-outside-its-scope

outside its function c memory management local variables dangling share How can it be Isn't the memory of a local variable..

what is the usefulness of enable_shared_from_this

http://stackoverflow.com/questions/712279/what-is-the-usefulness-of-enable-shared-from-this

one and one of them will end up losing and holding a dangling reference when the object is deleted. enable_shared_from_this..

Of Memory Management, Heap Corruption, and C++

http://stackoverflow.com/questions/7525/of-memory-management-heap-corruption-and-c

NULLing out pointers after deleteing them. Nobody likes a dangling pointer. Same gig with declared but unallocated pointers. Stop..