1 files changed, 40 insertions, 1 deletions
diff --git a/src/cr-term.c b/src/cr-term.c
index 8760f74..9828a3d 100644
--- a/src/cr-term.c
+++ b/src/cr-term.c
@@ -114,7 +114,7 @@ cr_term_parse_expression_from_buf (const guchar * a_buf,
 
         g_return_val_if_fail (a_buf, NULL);
 
-        parser = cr_parser_new_from_buf (a_buf, strlen (a_buf),
+        parser = cr_parser_new_from_buf ((guchar*)a_buf, strlen (a_buf),
                                          a_encoding, FALSE);
         g_return_val_if_fail (parser, NULL);
 
@@ -500,6 +500,45 @@ cr_term_dump (CRTerm * a_this, FILE * a_fp)
 }
 
 /**
+ *Return the number of terms in the expression.
+ *@param a_this the current instance of #CRTerm.
+ *@return number of terms in the expression.
+ */
+int
+cr_term_nr_values (CRTerm *a_this)
+{
+	CRTerm *cur = NULL ;
+	int nr = 0;
+
+	g_return_val_if_fail (a_this, -1) ;
+
+	for (cur = a_this ; cur ; cur = cur->next)
+		nr ++;
+	return nr;
+}
+
+/**
+ *Use an index to get a CRTerm from the expression.
+ *@param a_this the current instance of #CRTerm.
+ *@param itemnr the index into the expression.
+ *@return CRTerm at position itemnr, if itemnr > number of terms - 1,
+ *it will return NULL.
+ */
+CRTerm *
+cr_term_get_from_list (CRTerm *a_this, int itemnr)
+{
+	CRTerm *cur = NULL ;
+	int nr = 0;
+
+	g_return_val_if_fail (a_this, NULL) ;
+
+	for (cur = a_this ; cur ; cur = cur->next)
+		if (nr++ == itemnr)
+			return cur;
+	return NULL;
+}
+
+/**
  *Increments the reference counter of the current instance
  *of #CRTerm.*
  *@param a_this the current instance of #CRTerm.