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Asked: 2026-05-22T21:20:36+00:00

struct tm *localtime(const time_t *timep); I checked man localtime but there’s no words on

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struct tm *localtime(const time_t *timep);

I checked man localtime but there’s no words on whether it’s my duty to clean it after using.

And in fact I have many similar doubts on functions returning a pointer, how do you determine it should be freed or not ?

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1 Answer

  1. Editorial Team

    This information should be in the man page – my localtime man page says:

    The return value points to a
    statically allocated struct…

    Statically allocated objects should not be passed to free(), so this is your answer – no, you should not free the return value of localtime().

    The only way to tell in the general case is to consult the documentation or implementation of the function in question.

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