I: [PATCH] asprintf error handling fix

[Ulrich Drepper]

"Dmitry V. Levin" <ldv@alt-linux.org> writes:

> - When _IO_vfprintf call fails, _IO_vasprintf returns error code without
>   freeing memory allocated before (either in this function or during
>   _IO_vfprintf execution).

OK, I've changed that.  Slightly different, though.

> - When either malloc or _IO_vfprintf call fails, _IO_vasprintf returns
>   error code without setting result_ptr to zero.

That's nonsense.  The code never did this and there is no reason to
ever do this.

> You may ask why asprintf should zero result_ptr in case of error?

And all bogus.

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