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The C++11 standard made auto_ptr deprecated, replacing it with the unique_ptr class template. [3] [4] auto_ptr was fully removed in C++17. [5] For shared ownership, the shared_ptr template class can be used. shared_ptr was defined in C++11 and is also available in the Boost library for use with previous C++ versions. [6]
Smart pointers typically keep track of the memory they point to, and may also be used to manage other resources, such as network connections and file handles. Smart pointers were first popularized in the programming language C++ during the first half of the 1990s as rebuttal to criticisms of C++'s lack of automatic garbage collection. [1] [2]
Function Pointer Tutorials Archived 2018-06-30 at the Wayback Machine, a guide to C/C++ function pointers, callbacks, and function objects (functors) Member Function Pointers and the Fastest Possible C++ Delegates, CodeProject article by Don Clugston; Pointer Tutorials Archived 2009-04-05 at the Wayback Machine, C++ documentation and tutorials
The curiously recurring template pattern (CRTP) is an idiom, originally in C++, in which a class X derives from a class template instantiation using X itself as a template argument. [1] More generally it is known as F-bound polymorphism , and it is a form of F -bounded quantification .
An autorelative pointer is a pointer whose value is interpreted as an offset from the address of the pointer itself; thus, if a data structure has an autorelative pointer member that points to some portion of the data structure itself, then the data structure may be relocated in memory without having to update the value of the auto relative ...
When a dangling pointer is used after it has been freed without allocating a new chunk of memory to it, this becomes known as a "use after free" vulnerability. [4] For example, CVE-2014-1776 is a use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 [5] being used by zero-day attacks by an advanced persistent threat. [6]
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In computer science, a tagged pointer is a pointer (concretely a memory address) with additional data associated with it, such as an indirection bit or reference count.This additional data is often "folded" into the pointer, meaning stored inline in the data representing the address, taking advantage of certain properties of memory addressing.