From b32eb303bdeb330cbad7825b6dab55c0e5d709ef Mon Sep 17 00:00:00 2001
From: Andrew Melo <andrew.melo@gmail.com>
Date: Tue, 11 Dec 2018 22:27:20 -0600
Subject: [PATCH] Return correct content-range header

According to the HTTP spec, the response from a "Range" request should have a
"content-range" header in the form of "range_begin-range_end/doc_length". But
xrootd currently returns the length of the range intead of the range of the whole
file. Pass in the length of the file and additionally change the printf string since the
file size is stored in a long long
---
 src/XrdHttp/XrdHttpReq.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/XrdHttp/XrdHttpReq.cc b/src/XrdHttp/XrdHttpReq.cc
index be83634edfd..f97e00e6b95 100644
--- a/src/XrdHttp/XrdHttpReq.cc
+++ b/src/XrdHttp/XrdHttpReq.cc
@@ -1925,7 +1925,7 @@ int XrdHttpReq::PostProcessHTTPReq(bool final_) {
                 char buf[64];
                 
                 XrdOucString s = "Content-Range: bytes ";
-                sprintf(buf, "%lld-%lld/%d", rwOps[0].bytestart, rwOps[0].byteend, cnt);
+                sprintf(buf, "%lld-%lld/%lld", rwOps[0].bytestart, rwOps[0].byteend, filesize);
                 s += buf;