[Bug c/25509] can't disable __attribute__((warn_unused_result))

["bkorb at gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #25 from bkorb at gnu dot org  2010-08-30 14:42 -------
> > gcc currently has no middle option.
> 
> Also this attribute is not on by default in glibc so you are asking to  
> turn on the style based warnings.

(In reply to comment #24)
> FIXED in GCC 4.5

After having waded through this long series of comments, I am left
wondering just how this got addressed.  Does  --no-warn-unused-result
mean that fwrite() usage may be cast to void, or that it may be
treated as if it were a void procedure?  I think it is very reasonable
to warn if a returned result is not handled.  Casting to void is
a valid way to handle the result.  I would like warnings when returned
results are not handled.  What does the fix do?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25509