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What is the memory lifetime point to typeinfo :: name ()?

In C ++, I can use the typeid operator to get the name of any polymorphic class:

 const char* name = typeid( CMyClass ).name();

How long will the string be pointed to by the returned const char* pointer available to my program?

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2 answers

While the class with rtti exists. Therefore, if you are dealing with one executable file - forever. But for classes in Dynamic Link Librariy, it changes a bit. You can potentially unload it.

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The memory returned by type_info::name() will be available for the lifetime of the application.

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Source: https://habr.com/ru/post/886621/

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