struct method: introduce con-/destructors

These can be used before setting up or after closing down a socket
for protocol-specific initialisiation or cleanup, and are required
to cleanly fix up the IMAP-loses-protocol-version regression without
too many temporary hacks in the code.

1 files changed, 2 insertions, 0 deletions

diff --git a/fetchmail.h b/fetchmail.h
index d976f481..a1b77468 100644
--- a/fetchmail.h
+++ b/fetchmail.h
@@ -249,6 +249,8 @@ struct method		/* describe methods for protocol state machine */
     int (*logout_cmd)(int, struct query *);
 				/* logout command */
     flag retry;			/* can getrange poll for new messages? */
+    int (*construct)(struct query *); /* session setup before first command */
+    int (*destruct)(struct query *); /* cleanup after session */
 };
 
 enum badheader { BHREJECT = 0, BHACCEPT };