+static gchar *
+str_to_utf8 (const gchar *text)
+{
+ static const gchar *encodings_to_try[2];
+ static gint n_encodings_to_try = 0;
+ gchar *utf8_text = NULL;
+ gint i;
+
+ if (n_encodings_to_try == 0) {
+ const gchar *charset;
+ gboolean charset_is_utf8;
+
+ charset_is_utf8 = g_get_charset (&charset);
+ if (!charset_is_utf8) {
+ encodings_to_try[n_encodings_to_try++] = charset;
+ }
+
+ if (g_ascii_strcasecmp (charset, "ISO-8859-1") != 0) {
+ encodings_to_try[n_encodings_to_try++] = "ISO-8859-1";
+ }
+ }
+
+ for (i = 0; i < n_encodings_to_try; i++) {
+ utf8_text = g_convert (text, -1, "UTF-8",
+ encodings_to_try[i],
+ NULL, NULL, NULL);
+ if (utf8_text)
+ break;
+ }
+
+ return utf8_text;
+}
+