运行时错误：terminate called after throwing an instance of 'std::logic_error'

最新推荐文章于 2024-03-19 19:58:12 发布
转载 最新推荐文章于 2024-03-19 19:58:12 发布 · 1.4w 阅读 · 0

本文分析了在C++中因对空指针操作而引发的std::logic_error异常问题，详细解释了错误产生的原因，并通过一个具体的示例说明了如何避免此类错误。

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terminate called after throwing an instance of 'std::logic_error' what(): basic_string::_S_construct NULL not valid

 

主要原因：对一个空指针进行操作。

 

例如：char* p = NULL:

string str(p);              //运行时报错
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