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connection: Fix sendmsg() on FreeBSD

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It expects ((msg_controllen == 0) == (msg_control == NULL)), and returns
EINVAL otherwise. It can't hurt to be tidy about things on other platforms
either though.

See: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=99356#c5

Signed-off-by: Philip Withnall <philip at tecnocode.co.uk>
Signed-off-by: Karsten Otto <ottoka at posteo.de>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
This commit is contained in:
Philip Withnall 2014-11-03 09:49:03 +00:00 • committed by Pekka Paalanen
parent 0953e126d7
commit cb00e27039
1 changed files with 1 additions and 1 deletions
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2
src/connection.c
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@ -290,7 +290,7 @@ wl_connection_flush(struct wl_connection *connection)
msg.msg_namelen = 0;
msg.msg_iov = iov;
msg.msg_iovlen = count;
msg.msg_control = cmsg;
msg.msg_control = (clen > 0) ? cmsg : NULL;
msg.msg_controllen = clen;
msg.msg_flags = 0;