jingle_ft: Add support for empty range elements.

These can be used to indicate support for ranged transfers.
2017-08-27 02:33:37 +01:00 · 2017-08-27 02:33:37 +01:00 · 92277ccde0
commit 92277ccde0
parent f51fa15b68
1 changed files with 1 additions and 1 deletions
--- a/src/jingle_ft.rs
+++ b/src/jingle_ft.rs
@ -28,7 +28,7 @@ impl IntoElements for Range {
    fn into_elements(self, emitter: &mut ElementEmitter) {
        let mut elem = Element::builder("range")
                               .ns(ns::JINGLE_FT)
-                               .attr("offset", self.offset)
+                               .attr("offset", if self.offset == 0 { None } else { Some(self.offset) })
                               .attr("length", self.length)
                               .build();
        for hash in self.hashes {