[tracker/tracker-0.6] Fixes NB#132414, Tracker-extract crashes in tracker_utils_default_check_filename

[Mikael Ottela <mottela src gnome org>]

commit c9ff9063fef5d22c768171f2c5cb45f8f0b461c5
Author: Mikael Ottela <mikael ottela ixonos com>
Date:   Tue Aug 11 16:53:48 2009 +0300

    Fixes NB#132414, Tracker-extract crashes in tracker_utils_default_check_filename
    
    Additional checks for default titles.

 src/tracker-extract/tracker-utils.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/src/tracker-extract/tracker-utils.c b/src/tracker-extract/tracker-utils.c
index b3f6ff4..709ecfa 100644
--- a/src/tracker-extract/tracker-utils.c
+++ b/src/tracker-extract/tracker-utils.c
@@ -24,6 +24,7 @@
 
 #include <glib.h>
 
+#include "tracker-utils.h"
 #include "tracker-escape.h"
 
 void
@@ -31,12 +32,18 @@ tracker_utils_default_check_filename (GHashTable  *metadata,
 				      gchar       *key,
 				      const gchar *filename)
 {
+	g_return_if_fail (key != NULL);
+	g_return_if_fail (filename != NULL);
+
 	if (!g_hash_table_lookup (metadata, key)) {
 		gchar  *name = g_filename_display_basename (filename);
 		gchar  *suffix = NULL;
 
 		suffix = g_strrstr (name, ".");
-		*suffix = '\0';
+
+		if (suffix) {
+			*suffix = '\0';
+		}
 		
 		g_strdelimit (name, "._", ' ');