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Sebastian Dröge authored
Clamp number of vectors to IOV_MAX / UIO_MAXIOV for GOutputStream writev() calls in the implementations More vectors will give an error and we can simply clamp here and consider it like a short write instead. In case of GSocketOutputStream this is done here instead of inside GSocket before calling sendmsg() because we we can't generically handle short writes when sending messages on a socket, e.g. for datagram sockets this causes only part of the datagram to be sent and an error would be more useful in this case than sending corrupted data. Also reduce the fallback limit to 16 in gsocket.c as that's the minimum value required by POSIX and add a static assertion that the limit is never bigger than G_MAXINT as that's the type recvmmsg/sendmmsg take.
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