acct() wrongly has __nonnull((1)) in glibc 2.3.5

[Michael T Kerrisk]

In posix/unistd.h, the declaration of acct() has 

    __THROW __nonnull ((1))

However, a NULL argument to acct() is the means of
disabling process accounting.  Therefore this declaration
appears to be incorrect and should be removed.

Cheers,

Michael

-- 
Michael Kerrisk
mtk-lists@gmx.net

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