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.

Cheers,
  Kai



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