More aggressive zeroing of visit records so they compress better

[citadel.git] / citadel / server / msgbase.c

diff --git a/citadel/server/msgbase.c b/citadel/server/msgbase.c
index 43481ad2c80705faf03488c01df1dfa478e67167..3858d5a491ae5771493c37a9393d142c8667208e 100644 (file)
--- a/citadel/server/msgbase.c
+++ b/citadel/server/msgbase.c
@@ -599,12 +599,14 @@ void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
                vset = new_set;
        }
 
-       // Decide which message set we're manipulating
+       // Decide which message set we're manipulating.  Zero the buffers so they compress well.
        switch (which_set) {
                case ctdlsetseen_seen:
+                       memset(vbuf.v_seen, 0, sizeof vbuf.v_seen);
                        safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
                        break;
                case ctdlsetseen_answered:
+                       memset(vbuf.v_answered, 0, sizeof vbuf.v_seen);
                        safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
                        break;
        }