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Date: Mon, 26 Oct 2015 20:10:22 -0400
From: Rich Felker <>
Subject: Re: [PATCH] getnameinfo: make size check not fail for bigger

On Mon, Oct 26, 2015 at 11:03:55PM +0100, Hauke Mehrtens wrote:
> getnameinfo() compares the size of the given struct sockaddr with
> sizeof(struct sockaddr_in) and sizeof(struct sockaddr_in6) depending on
> the net family. When you add a sockaddr of size sizeof(struct
> sockaddr_storage) this function will fail because the size of the
> sockaddr is too big. Change the check that it only fails if the size is
> too small, but make it work when it is too big for example when someone
> calls this function with a struct sockaddr_storage and its size.
> This fixes a problem with IoTivity 1.0.0 and musl.
> glibc and bionic are only failing if it is smaller, net/freebsd
> implemented the != check.
> Signed-off-by: Hauke Mehrtens <>

Applied. Thanks!


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