0.9.4claws28

[claws.git] / src / procmsg.c

diff --git a/src/procmsg.c b/src/procmsg.c
index b8cbc6c6099fb77be3f7c8c13b0f470f6648c0a9..ef9b94793973cd93210463888d6d6ccdf0c4a296 100644 (file)
--- a/src/procmsg.c
+++ b/src/procmsg.c
@@ -172,13 +172,17 @@ static GNode *subject_relation_lookup(GRelation *relation, MsgInfo *msginfo)
        gchar *subject;
        GTuples *tuples;
        GNode *node = NULL;
+       gint prefix_length;
     
        g_return_val_if_fail(relation != NULL, NULL);
 
        subject = msginfo->subject;
        if (subject == NULL)
                return NULL;
-       subject += subject_get_prefix_length(subject);
+       prefix_length = subject_get_prefix_length(subject);
+       if (prefix_length <= 0)
+               return NULL;
+       subject += prefix_length;
        
        tuples = g_relation_select(relation, subject, 0);
        if (tuples == NULL)