From a79faa602fac4e4bb4c33a324150219727fa1f57 Mon Sep 17 00:00:00 2001
From: Vadim Barkov <neverscaired@gmail.com>
Date: Sun, 8 Jan 2017 17:51:17 +0300
Subject: Fixed wrong behaviour of search on zero length results

---
 pluma/pluma-utils.c | 40 ++++++++++++++++++++++++++++++++++++----
 1 file changed, 36 insertions(+), 4 deletions(-)

(limited to 'pluma')

diff --git a/pluma/pluma-utils.c b/pluma/pluma-utils.c
index d1c701ea..b8f081c0 100644
--- a/pluma/pluma-utils.c
+++ b/pluma/pluma-utils.c
@@ -1597,6 +1597,9 @@ pluma_gtk_text_iter_regex_search (const GtkTextIter *iter,
 	gchar **all_matches;
 	gchar *match_string;
 	gboolean found;
+    gint non_null_result_number;
+    gboolean non_null_result_found;
+    guint result_size;
 	
 	compile_flags = 0;
 	if ((flags & GTK_TEXT_SEARCH_CASE_INSENSITIVE) != 0)
@@ -1645,9 +1648,38 @@ pluma_gtk_text_iter_regex_search (const GtkTextIter *iter,
 	if (found)
 	{
         all_matches = g_match_info_fetch_all (match_info);
+        result_size = (gint) g_strv_length (all_matches);
+
+        if(forward_search){
+            non_null_result_number = 0;
+        } else {
+            non_null_result_number = result_size - 1 ;
+        }
+        non_null_result_found = FALSE;
+        while((non_null_result_number >= 0)
+              && (non_null_result_number < result_size) ) {
+
+            if(g_utf8_strlen (all_matches [non_null_result_number], G_MAXSSIZE) != 0) {
+                non_null_result_found = TRUE;
+                break;
+            } else {
+                if(forward_search) {
+                    non_null_result_number++;
+                } else {
+                    non_null_result_number--;
+                }
+            }
+
+        }
+
+        if(!non_null_result_found) {
+            found = FALSE;
+            goto free_resources;
+        }
+
+        match_string = all_matches [non_null_result_number];
         if (forward_search)
-		{
-            match_string = all_matches[0];
+        {
             gtk_text_iter_forward_search (begin_iter,
 						     match_string,
 						     flags,
@@ -1656,8 +1688,7 @@ pluma_gtk_text_iter_regex_search (const GtkTextIter *iter,
 						     limit);
 		}
 		else
-		{
-            match_string = all_matches[g_strv_length (all_matches) - 1];
+        {
             gtk_text_iter_backward_search (begin_iter,
 						      match_string,
 						      flags,
@@ -1667,6 +1698,7 @@ pluma_gtk_text_iter_regex_search (const GtkTextIter *iter,
 		}
 	}
 
+free_resources:
     gtk_text_iter_free (begin_iter);
     gtk_text_iter_free (end_iter);
 	g_match_info_free (match_info);
-- 
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