FS#7002 - Fix a bug in parser of tagnavi.config preventing to set first menu as the root menu.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13130 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 7 insertions, 2 deletions

diff --git a/apps/tagtree.c b/apps/tagtree.c
index 040aea35d1..e9370fa443 100644
--- a/apps/tagtree.c
+++ b/apps/tagtree.c
@@ -793,7 +793,7 @@ static int parse_line(int n, const char *buf, void *parameters)
                 
             case var_rootmenu:
                 /* Only set root menu once. */
-                if (root_menu)
+                if (root_menu >= 0)
                     break;
                 
                 if (get_token_str(data, sizeof(data)) < 0)
@@ -868,9 +868,14 @@ void tagtree_init(void)
     format_count = 0;
     menu_count = 0;
     menu = NULL;
-    root_menu = 0;
+    root_menu = -1;
     parse_menu(FILE_SEARCH_INSTRUCTIONS);
     
+    /* If no root menu is set, assume it's the first single menu
+     * we have. That shouldn't normally happen. */
+    if (root_menu < 0)
+        root_menu = 0;
+    
     uniqbuf = buffer_alloc(UNIQBUF_SIZE);
     audio_set_track_buffer_event(tagtree_buffer_event);
     audio_set_track_unbuffer_event(tagtree_unbuffer_event);