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[lwip-devel] [task #14247] socket API: implement recvmsg msg_control sup


From: Joel Cunningham
Subject: [lwip-devel] [task #14247] socket API: implement recvmsg msg_control support
Date: Wed, 26 Apr 2017 09:46:37 -0400 (EDT)
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_4) AppleWebKit/603.1.30 (KHTML, like Gecko) Version/10.1 Safari/603.1.30

Follow-up Comment #26, task #14247 (project lwip):

Simon,

Thanks for clarifying the error.  I'm also fine with the added void *.  RFC
says the type should be unsigned char *, but void should be fine since we are
always casting to the real type (for CMSG_DATA)

I've also pushed a fix for ALIGN_H and ALIGN_D to address the potential
problem on 16-bit arches where MEM_ALIGN is 2, but we need to be aligning to
4.  This change also ensures that there is no unaligned access even for
systems that support it (x86)



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