getpwent_r(3) needs gr->gr_mem to be freed, but that's not documented

[Alejandro Colomar]

On Sun, Sep 28, 2025 at 10:26:33PM +0200, Alejandro Colomar wrote:
> Hi!
> 
> Another thing I realized about getpwent_r(3) et al. is that gr->gr_mem

Actually, getgrent_r(3).

> is allocated by the function, but is expected to be freed by the caller.
> 
> I didn't find this documented, neither in the manual page nor in the
> glibc manual.  Is it documented but I missed it?  Or did I misunderstand
> something?  Or is it just that nobody documented it?
> 
> 
> Have a lovely night!
> Alex
> 
> 
> -- 
> <https://www.alejandro-colomar.es>
> Use port 80 (that is, <...:80/>).



-- 
<https://www.alejandro-colomar.es>
Use port 80 (that is, <...:80/>).
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