[Bug middle-end/77671] missing -Wformat-length warning on sprintf overflow with "%s"

msebor at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Sep 21 01:52:00 GMT 2016


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77671

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |diagnostic
            Summary|missing -Wformat-length     |missing -Wformat-length
                   |warning on overflow  %s     |warning on sprintf overflow
                   |                            |with "%s"

--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
As the test case in comment #0 shows, GCC issues a -Wformat-length warning for
the call in function f but fails to do the same thing for the equivalent call
in function g.


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