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...s a surprisingly common behavior among some existing clients. Signed-off-by: Eric Blake <eblake@redhat.com> --- src/connections.c | 60 ++++++++++++++++++++++++++++++----------------- 1 file changed, 39 insertions(+), 21 deletions(-) diff --git a/src/connections.c b/src/connections.c index 58ed6b0..577f466 100644 --- a/src/connections.c +++ b/src/connections.c @@ -600,6 +600,31 @@ send_newstyle_option_reply_info_export (struct connection *conn, return 0; } +/* Sub-function during _negotiate_handshake_newstyle, to uniformly handle + * a client hanging up on a message boundary. + */ +stat...

With some crufty sed scripts we can generate functions that map from NBD protocol flags (eg. NBD_CMD_READ) to strings ("NBD_CMD_READ"). This works on GNU sed and with FreeBSD, also with GNU sed's --posix option, so I guess the sed code is POSIX-compatible. Rich.