[Bug 43287] New: scanf documentation example

[Bug 43287] New: scanf documentation example

[bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r]

https://bugzilla.kernel.org/show_bug.cgi?id=43287

           Summary: scanf documentation example
           Product: Documentation
           Version: unspecified
    Kernel Version: n/a
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: man-pages
        AssignedTo: documentation_man-pages-ztI5WcYan/vQLgFONoPN62D2FQJk+8+b@public.gmane.org
        ReportedBy: berkgokden-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
        Regression: No


In scanf man file ( http://man7.org/linux/man-pages/man3/scanf.3.html ), in
notes section an example given.
Example only works if it is compiled with -std=c89 option. It is not well
defined. Probably because it was written long ago.

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[Bug 43287] scanf documentation example

[bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r]

https://bugzilla.kernel.org/show_bug.cgi?id=43287


Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
         Resolution|                            |INVALID
         AssignedTo|documentation_man-pages@ker |mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
                   |nel-bugs.osdl.org           |




--- Comment #1 from Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>  2012-12-21 16:58:31 ---
The man page already explains this quite clearly though:

       The a modifier is not available if the program is compiled with
       gcc -std=c99 or gcc  -D_ISOC99_SOURCE  (unless  _GNU_SOURCE  is
       also specified), in which case the a is interpreted as a speci‐
       fier for floating-point numbers (see above).

So, closing this bug.

Thanks,

Michael

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