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[patch] Fix BZ#20544 (assert function passed to atexit/on_exit/__cxa_atexit != NULL)

Greetings,

As discussed in bz#20544 and in
http://sourceware.org/glibc/wiki/Style_and_Conventions#Invalid_pointers,
we should assert that the function passed to atexit, on_exit, etc. is
not NULL.

2018-08-27  Paul Pluzhnikov  <ppluzhnikov@google.com>

        [BZ #20544]
        * stdlib/cxa_atexit.c (__internal_atexit): assert func != NULL.
        * stdlib/on_exit.c (__on_exit): Likewise.


-- 
Paul Pluzhnikov

Attachment: glibc-bz20544-20180825.txt
Description: Text document

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