Bug in _VFPRINTF_R

Eric Blake ebb9@byu.net
Sat Sep 15 12:34:00 GMT 2007


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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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