[PATCH] libio: Avoid ptrdiff_t overflow in IO_validate_vtable

[Andreas Schwab]

On Jun 19 2018, Florian Weimer <fw@deneb.enyo.de> wrote:

> 	* libio/libioP.h (IO_validate_vtable): Avoid ptrdiff_t overflow.

Ok.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."