[Bug c/60194] -Wformat should also warn when using %d (instead of %u) for unsigned arguments

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60194

--- Comment #3 from Tobias Burnus <burnus at gcc dot gnu.org> ---
Author: burnus
Date: Fri Apr 11 22:43:54 2014
New Revision: 209328

URL: http://gcc.gnu.org/viewcvs?rev=209328&root=gcc&view=rev
Log:
2014-04-11  Tobias Burnus  <bur...@net-b.de>

        PR c/60194
gcc/
        * doc/invoke.texi (-Wformat-signedness): Document it.
        (Wformat=2): Mention that this enables -Wformat-signedness.

gcc/c-family/
        * c.opt (Wformat-signedness): Add
        * c-format.c(check_format_types): Use it.

gcc/testsuite/
        * * g++.dg/warn/warn_format_signedness.C: New.
        * gcc.dg/format/warn-signedness.c: New.

Added:
    trunk/gcc/testsuite/g++.dg/warn/warn_format_signedness.C
    trunk/gcc/testsuite/gcc.dg/format/warn-signedness.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-format.c
    trunk/gcc/c-family/c.opt
    trunk/gcc/doc/invoke.texi
    trunk/gcc/testsuite/ChangeLog