[tracker/collation-gconf-locale] tracker-locale: Make sure locale is not an empty string

[Aleksander Morgado <aleksm src gnome org>]

commit d2511beb387a0916c14322fd827bb666aa8151ca
Author: Aleksander Morgado <aleksander lanedo com>
Date:   Thu Oct 28 13:12:25 2010 +0200

    tracker-locale: Make sure locale is not an empty string

 src/libtracker-common/tracker-locale.c |   22 ++++++++++++++++++----
 1 files changed, 18 insertions(+), 4 deletions(-)
---
diff --git a/src/libtracker-common/tracker-locale.c b/src/libtracker-common/tracker-locale.c
index 3a78789..88cc2a6 100644
--- a/src/libtracker-common/tracker-locale.c
+++ b/src/libtracker-common/tracker-locale.c
@@ -149,6 +149,7 @@ tracker_locale_gconf_notify_cb (GConfClient *client,
 	guint i;
 	GConfValue *value;
 	GSList *li;
+	const gchar *string_value;
 
 	/* Find the proper locale to change */
 	for (i = 0; i < TRACKER_LOCALE_LAST; i++) {
@@ -167,15 +168,28 @@ tracker_locale_gconf_notify_cb (GConfClient *client,
 	/* Ensure a proper value was set */
 	value = gconf_entry_get_value (entry);
 	if (!value) {
-		g_warning ("Locale value for '%s' cannot be NULL, not changing locale",
-		           gconf_entry_get_key (entry));
+		g_warning ("Locale value for '%s' cannot be NULL, not changing %s",
+		           gconf_locales[i],
+		           locale_names[i]);
 		return;
 	}
 
 	/* It must be a string */
 	if (value->type != GCONF_VALUE_STRING) {
-		g_warning ("Locale value for '%s' must be a string, not changing locale",
-		           gconf_entry_get_key (entry));
+		g_warning ("Locale value for '%s' must be a string, not changing %s",
+		           gconf_locales[i],
+		           locale_names[i]);
+		return;
+	}
+
+	string_value = gconf_value_get_string (value);
+
+	/* String must have a length > 0 */
+	if (!string_value ||
+	    strlen (string_value) == 0) {
+		g_warning ("Locale value for '%s' must not be empty, not changing %s",
+		           gconf_locales[i],
+		           locale_names[i]);
 		return;
 	}