[no subject]

[Gavin D. Smith]

branch: master
commit 97b6034b6cad4b634dbe0744291d1701c632c1b4
Author: Gavin Smith <gavinsmith0123@gmail.com>
AuthorDate: Tue Oct 22 16:38:21 2019 +0100

    avoid access to undefined iter
---
 js/infog/main.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/js/infog/main.c b/js/infog/main.c
index 9d45274adc..60d4d0df5d 100644
--- a/js/infog/main.c
+++ b/js/infog/main.c
@@ -235,6 +235,10 @@ GtkTreeIter last_iter;
 GtkTreeIter *toc_iter_ptr;
 int toc_empty = 1;
 
+/* P is a pointer to lines sent from the web process extension representing 
the 
+   table of contents.  The lines are in pairs: the first, with the 
user-visible 
+   text, the second, with the URL.  The hierarchical structure of the TOC is 
+   represented by "+" and "-" characters in front of the URL's. */
 void
 load_toc (char *p)
 {
@@ -303,11 +307,11 @@ load_toc (char *p)
         {
           GtkTreeIter parent;
 
-          /* Mark the parent entry as having no more children. */
-          gtk_tree_store_set (toc_store, &toc_iter, 2, TRUE, -1);
-
           if (toc_iter_ptr)
             {
+              /* Mark the parent entry as having no more children. */
+              gtk_tree_store_set (toc_store, toc_iter_ptr, 2, TRUE, -1);
+
               while (1)
                 {
                   bool result = gtk_tree_model_iter_parent