Ping - old patch from April - mingw support for I32/I64 MS printf formatters to c-format.c

[Kai Tietz]

NightStrike <nightstrike@gmail.com> wrote on 18.03.2008 14:34:11:

> On 3/18/08, Kai Tietz <Kai.Tietz@onevision.com> wrote:
> > Hi Danny,
> >
> > "Danny Smith" <dansmister@gmail.com> wrote on 16.03.2008 06:32:03:
> >
> > > On Fri, Mar 14, 2008 at 11:55 PM, Kai Tietz 
<Kai.Tietz@onevision.com> w
> > > >  Thank you for the log file. I correct the tested cases so far. 
The
> > major
> > > >  problem is that by your suggestion 'I64' length specifier isn't
> > treated as
> > > >  equivalent to the gnu 'll' length sepecifier. This is the reason 
for
> > the
> > > >  failure of a lot of warnings. I let the test-case ms_warnll-1.c 
as it
> > is
> > > >  for showing the issue. I64 and co are declared as STD_EXT, which 
is
> > in my
> > > >  opinion not correct. They should be set as STD_C890 IMHO.
> > I mean STD_C890 is STD_C89. I removed from the testcase ms_warnll-1.c 
the
> > -std settings to let the test pass. We should test I64.
> >
> > I attached the revised patch.
> >
> > > As I indicated earlier, handling of ms_strftime was  and still is
> > incorrect.
> > >
> > > With your patch and this snippet:
> > >
> > > #include <time.h>
> > > #include <stdio.h>
> > > #include <sys/types.h>
> > >
> > > int main()
> > > {
> > >     char buf[128];
> > >     time_t ltime;
> > >     struct tm* today;
> > >
> > >     time (&ltime);
> > >     today =  localtime(&ltime);
> > >
> > >     printf ("c, x, y, formats\n");
> > >     strftime (buf, 128, "c: %c\n", today);
> > >     printf (buf);
> > >     strftime (buf, 128, "x: %x\n", today);
> > >     printf (buf);
> > >     strftime (buf, 128, "y: %y\n", today);
> > >     printf (buf);
> > >
> > >
> > >     printf ("Alternative #c, #x, #y, formats\n");
> > >     strftime (buf, 128, "#c %#c\n", today);
> > >     printf (buf);
> > >     strftime (buf, 128, "#x %#x\n", today);
> > >     printf (buf);
> > >     strftime (buf, 128, "#y %#y\n", today);
> > >     printf (buf);
> > >
> > >     return 0;
> > > }
> > >
> > > compiled as
> > >
> > > gcc -Wall  -Wformat-y2k ms_stftrime_y2k.c
> > >
> > > I get:
> > >
> > > ms_stftrime_y2k.c: In function 'main':
> > > ms_stftrime_y2k.c:24: warning: '#' flag used with '%c' ms_strftime
> > format
> > > ms_stftrime_y2k.c: warning: '#' flag used with '%x' ms_strftime 
format
> > > ms_stftrime_y2k.c:28: warning: '#' flag used with '%y' ms_strftime
> > format
> > >
> > > 1) The warnings are bogus.
> > > 2) There are no  y2k warnings, but there should be, because this is
> > > the output:
> > >
> > > c, x, y, formats
> > > c: 03/16/08 16:05:38
> > > x: 03/16/08
> > > y: 08
> > > Alternative #c, #x, #y, formats
> > > #c Sunday, March 16, 2008 16:05:38
> > > #x Sunday, March 16, 2008
> > > #y 8
> > >
> > >
> > > Note that '#' does not have glibc meaning.  Instead,  when prefixing 
c
> > > and x flags, is like 'E'.
> > I corrected this as general option with type of STD_EXT and add the 
y2k
> > check to cxy format specifiers.
> 
> Attached is the gcc test log for formatters for this latest patch
> (recompiled and retested in like 10 minutes :)

The file ms_c90-strftime-1.c was not taken out from the new patch. I 
assume ms_warnll_1, too. Please verify and rerun test. 

Thanks and cheers,
  Kai

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