glib-2.0: Add string.slice method

diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index 65da48d64566d897a7c440aacd4b3eb0d0590e24..ed4d9e990a23b59dd92c7023bb83feb818319724 100644 (file)
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -969,6 +969,21 @@ public class string {
                return start.ndup (((char*) start.offset (len)) - ((char*) start));
        }
 
+       public string slice (long start, long end) {
+               long string_length = this.len ();
+               if (start < 0) {
+                       start = string_length + start;
+               }
+               if (end < 0) {
+                       end = string_length + end;
+               }
+               GLib.return_val_if_fail (start >= 0 && start <= string_length, null);
+               GLib.return_val_if_fail (end >= 0 && end <= string_length, null);
+               GLib.return_val_if_fail (start <= end, null);
+               unowned string start_string = this.offset (start);
+               return start_string.ndup (((char*) start_string.offset (end - start)) - ((char*) start_string));
+       }
+
        public bool contains (string needle) {
                return this.str (needle) != null;
        }