X-Git-Url: http://git.marmaro.de/?a=blobdiff_plain;f=uip%2Fnew.c;h=99d8528b31519052d880f10b5a44c59085828c78;hb=5d43a99db70c12a673028c7758c20cbe3e13ef5f;hp=41d2ebf8cb6b7fb6ae9e21dac9186cbfae187b88;hpb=5dd6771b28c257af405d7248639ed0e3bcdce38b;p=mmh

diff --git a/uip/new.c b/uip/new.c
index 41d2ebf..99d8528 100644
--- a/uip/new.c
+++ b/uip/new.c
@@ -218,6 +218,8 @@ crawl_callback(char *folder, void *baton)
  * `cur' points to the name of the current folder, `folders' points to the
  * name of a .folder (if NULL, crawl all folders), and `sequences' points to
  * the array of sequences for which to look.
+ *
+ * An empty list is returned as first=last=NULL.
  */
 static void
 check_folders(struct node **first, struct node **last,
@@ -229,7 +231,7 @@ check_folders(struct node **first, struct node **last,
     char *line;
     size_t len;
 
-    *first = *cur_node = NULL;
+    *first = *last = *cur_node = NULL;
     *maxlen = 0;
 
     b.first = first;
@@ -308,7 +310,10 @@ doit(char *cur, char *folders, char *sequences[])
 		  folders, sequences);
 
     if (run_mode == FNEXT || run_mode == FPREV) {
-	if (first->n_next == NULL) {
+	if (first == NULL) {
+	    /* No folders at all... */
+	    return NULL;
+	} else if (first->n_next == NULL) {
 	    /* We have only one node; any desired messages in it? */
 	    if (first->n_field == NULL) {
 		return NULL;