Bug in _VFPRINTF_R

[Samuel Vinson]

I'm sorry Eric, but I gave you a specific example :
    printf("%.*s\n",len,(char *)NULL) /* len = 0 */

and not printf("%s", (char *)NULL)

In my example, I think the result should be empty an not (null)

Samuel

Eric Blake a écrit :
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> According to Samuel Vinson on 9/15/2007 1:35 AM:
>   
>> I never see that with different libc implementation, I used
>> (linux/gcc/libc/glibc, windows/msvcrt, solaris/libc...)
>>     
>
> It may not match msvcrt or solaris libc, but it does match glibc - I'm not
> sure how you tested it.
>
>   
>> Perhaps POSIX and C99 allow your choice, but this is not portable in
>> different platforms.
>>     
>
> This is not portable, period.  Calling printf("%s", (char*)NULL) invokes
> undefined behavior, and is a bug in your program, not in newlib.
>
> - --
> Don't work too hard, make some time for fun as well!
>
> Eric Blake             ebb9@byu.net
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