reinterpret-cast

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Does a simple cast to perform a raw copy of a variable break strict aliasing?

I\'ve been reading about strict aliasing quite a lot lately. The C/C++ standards say that the following code is invalid (undefined behavior to be correct), since the compiler might have the value of a[详细]

2023-02-12 00:49 分类：问答
Is reinterpret_cast mostly useless?

I\'ve read various previous questions about the use of reinterpret_cast, and I\'ve also read the relevant wording in the C++ standard.Essentially, what it comes down to is that the result of a pointer[详细]

2023-02-12 00:06 分类：问答
Why do we have reinterpret_cast in C++ when two chained static_cast can do its job?

Say I want to cast A* to char* and vice-versa, we have two choices (I mean, many of us think we\'ve two choices, because both seems to work! Hence the confusion!):[详细]

2023-02-11 19:34 分类：问答
reinterpret_cast

In the C++ Without Fear: A Beginner\'s Guide That Makes You Feel Smart book, and in chapter (8), it mentions the following about reinterpret_cast[详细]

2023-02-06 06:37 分类：问答
C++ reinterpret_cast for derived class

Parent class: template <clas开发者_运维知识库s T> class Point { protected T x; T y; }; Derived class:[详细]

2023-02-05 10:13 分类：问答
Proper casting for fstream read and write member functions

Although there was a lot of lines written on the topic of reinterpret_cast, and how bad it is, I\'m still puzzled with best way to avoid it, especially when dealing w开发者_Go百科ith functions like re[详细]

2023-02-04 02:13 分类：问答
How does this reinterpret_cast work? (Porting C++ to Java)

I have some C++ code I\'m trying to port to Java, that looks like this: struct foostruct { unsigned char aa : 3;[详细]

2023-01-31 01:23 分类：问答
Simple storage class in C++ and strict aliasing

I have the following code for having a small class for storage. #include <iostream> template<typename T>[详细]

2023-01-25 01:58 分类：问答
winsock recv gives 10014 error

I\'ll start with the code: typedef std::vector<unsigned char> CharBuf; static const int RCV_BUF_SIZE = 1024;[详细]

2023-01-23 11:49 分类：问答
reinterpret_cast cast cost

My understanding is that C++ reinterpret_cast and C pointer cast is a just a compile-time functionality and that i开发者_开发问答t has no performance cost at all.[详细]

2023-01-12 23:57 分类：问答