Make sure lastread's length is zero

Also return the right number of bytes written

1 files changed, 2 insertions, 2 deletions

diff --git a/unxml.go b/unxml.go
index 473fe9e..f2c970a 100644
--- a/unxml.go
+++ b/unxml.go
@@ -142,12 +142,12 @@ func (r *ElementReader) Read(out []byte) (int, error) {
 		if lenlr < lenout {
 			n = copy(out[0:], r.xr.lastread)
 			r.xr.count += n
-			r.xr.lastread = make([]byte, len(out))
 			lenout -= n
+			r.xr.lastread = make([]byte, 0, lenout)
 		} else {
 			n = copy(out[0:], r.xr.lastread[:lenout])
 			r.xr.lastread = r.xr.lastread[lenout:]
-			return r.xr.count, err
+			return n, err
 		}
 	}