[gtksourceview/wip/search: 11/36] search: do not search NULL string

[Sébastien Wilmet <swilmet src gnome org>]

commit eb5156e7f890480a11ab1a434cf20e69402f3642
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Jun 30 11:42:19 2013 +0200

    search: do not search NULL string

 gtksourceview/gtksourcesearch.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/gtksourceview/gtksourcesearch.c b/gtksourceview/gtksourcesearch.c
index 69cf757..fb189d1 100644
--- a/gtksourceview/gtksourcesearch.c
+++ b/gtksourceview/gtksourcesearch.c
@@ -390,6 +390,11 @@ basic_forward_search (GtkSourceSearch   *search,
 {
        GtkTextIter begin_search = *iter;
 
+       if (search->priv->text == NULL)
+       {
+               return FALSE;
+       }
+
        while (TRUE)
        {
                gboolean found = gtk_text_iter_forward_search (&begin_search,
@@ -423,6 +428,11 @@ basic_backward_search (GtkSourceSearch   *search,
 {
        GtkTextIter begin_search = *iter;
 
+       if (search->priv->text == NULL)
+       {
+               return FALSE;
+       }
+
        while (TRUE)
        {
                gboolean found = gtk_text_iter_backward_search (&begin_search,