_BLOCK_TYPE_IS_VALID（pHEAD-> nBlockUse）错误 [英] _BLOCK_TYPE_IS_VALID(pHEAD->nBlockUse) error

问题描述

我是C ++的新手（我最喜欢的node.js和Java，但以前做过一些Python），我正在通过理解指针。以下示例在使用调试符号编译时生成运行时错误。

I'm new to C++ (I'm most comfortable with node.js and Java, but have done some Python before) and am working through understanding pointers. The following example generates a runtime error when compiled with debug symbols.

#include <iostream>

void main(){
    int number = 0;
    int * numberPtr = &number;
    * numberPtr = 1;

    std::cout << number;
    delete numberPtr;
}

并显示错误讯息：

Debug Assertion Failed!

Program: C:\path\to\executable\main.exe
File: f:\dd\vctools\crt_bld\self_x86\crt\src\dbgdel.cpp

Expression: _BLOCK-TYPE_IS_VALID(pHead->nBlockUse)

b $ b

FWIW，我在VS 2008和2013编译时遇到同样的错误。

FWIW, I've gotten the same error when I've compiled with both VS 2008 and 2013.

推荐答案

p>正如Oli Charlesworth所说，u没有动态分配 numberPtr ，因此你不能 delete 。我建议阅读 new 和 delete 和动态内存分配，如果你打算在 C ++ 。

As Oli Charlesworth said, u did not dynamically allocate numberPtr, therefore you can't delete it. I suggest reading about new and delete and Dynamic Memory Allocation if you intend on coding in C++.

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