Fix a failed assertion in NNTP group list dialog

The code was trying to expand nodes of already subscribed
newsgroups, even if those newsgroups weren't being displayed
in the list, usually because of an active search pattern.

diff --git a/src/grouplistdialog.c b/src/grouplistdialog.c
index 429e57eaeee423f2a04a0251a037c5d419edd3e2..2314c2f7cb6d8df1e68325552c40782a46c7a431 100644 (file)
--- a/src/grouplistdialog.c
+++ b/src/grouplistdialog.c
@@ -379,11 +379,14 @@ static GtkCMCTreeNode *grouplist_create_branch(NewsGroupInfo *ginfo,
 static void grouplist_expand_upwards(GtkCMCTree *ctree, const gchar *name) {
        const gchar *ptr;
        gchar *newname=g_malloc0(strlen(name));
 static void grouplist_expand_upwards(GtkCMCTree *ctree, const gchar *name) {
        const gchar *ptr;
        gchar *newname=g_malloc0(strlen(name));

+       GtkCMCTreeNode *node;

 
        for (ptr=name; *ptr; ptr++) {
 
        for (ptr=name; *ptr; ptr++) {

-               if (*ptr == '.')
-                       gtk_cmctree_expand(ctree, 
-                               grouplist_hash_get_branch_node(newname));
+               if (*ptr == '.') {
+                       node = grouplist_hash_get_branch_node(newname);
+                       if (node != NULL)
+                               gtk_cmctree_expand(ctree, node);
+               }

                newname[ptr-name] = *ptr;
        }
        g_free(newname);
                newname[ptr-name] = *ptr;
        }
        g_free(newname);