Tony Mechelynck wrote:
> On 21/11/08 15:14, Ben Schmidt wrote:
> >>>> spell.c:7958: warning: ignoring return value of 'fwrite', declared with
> >>>> attribute warn_unused_result
> >> All the "new" warnings I see, with no exception, are for not using the
> >> result of a function which returns a result of type warn_unused_result.
> >>
> >> My first impression was that:
> >> - these warnings were probably related to the new define
> >> FORTIFY_SOURCE=1, which is set at the very end of the configure run.
> >> - type warn_unused_result rather than char, int or whatever might have
> >> been put in there by Bram to tell me that there will be a spurious warning.
> >
> > Not by Bram; he didn't write the C library that contains fwrite. But
> > turning on FORTIFY_SOURCE made this annotation in the C library
> > effective to produce warnings.
> >
> > Ben.
>
> Not only fwrite. Here is the full list I get (in Huge gvim with Gnome2):
>
> fwrite used by: diff.c, spell.c
> chdir used by: diff.c, ex_docmd.c, window.c
> fchown used by: ex_cmds.c, fileio.c
> dup used by: fileio.c, main.c, os_unix.c, ui.c
> fgets used by: fileio.c
> mblen used by: mbyte.c
> write used by: os_unix.c, netbeans.c
> read used by: gui.c
> strtol used by: netbeans.c
>
> Well, yes, I guess they weren't defined by Bram.
>
> I had also missed the following two, which aren't about ignored results
> of functions; but maybe they aren't new either:
> gui_gtk_x11.c:3420: warning: not enough variable arguments to fit a sentinel
> if_perl.xs:463: warning: null argument where non-null required (argument 3)
Can you please send me the full list? Including the line numbers.
No need to copy to the maillist.
I rather fix the warnings than change the FORTIFY_SOURCE argument.
--
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making exciting underwear....
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/// Bram Moolenaar -- [EMAIL PROTECTED] -- http://www.Moolenaar.net \\\
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