* need to revalidate start in any case to be exact.

[citadel.git] / libcitadel / lib / hash.c

diff --git a/libcitadel/lib/hash.c b/libcitadel/lib/hash.c
index f6adc2a9b43b649e6740505f47e1d642b4559068..29f145894218e6b8b5d85713db4ea7bdbba6df27 100644 (file)
--- a/libcitadel/lib/hash.c
+++ b/libcitadel/lib/hash.c
@@ -1054,6 +1054,7 @@ int IsInMSetList(MSet *MSetList, long MsgNo)
        HashList *Hash = (HashList*) MSetList;
        long HashAt;
        long EndAt;
+       long StartAt;
 
        if (Hash == NULL)
                return 0;
@@ -1077,15 +1078,16 @@ int IsInMSetList(MSet *MSetList, long MsgNo)
                HashAt -=1;
 
        /* Fetch the actual data */
+       StartAt = Hash->LookupTable[HashAt]->Key;
        MemberPosition = Hash->LookupTable[HashAt]->Position;
        EndAt = *(long*) Hash->Members[MemberPosition]->Data;
-       if (EndAt == LONG_MAX)
+       if ((MsgNo >= StartAt) && (EndAt == LONG_MAX))
                return 1;
        /* no range? */
        if (EndAt == 0)
                return 0;
        /* inside of range? */
-       if (EndAt >= MsgNo)
+       if ((StartAt <= MsgNo) && (EndAt >= MsgNo))
                return 1;
        return 0;
 }