http: fix superfluous null line in range request header

At least the apache sever is very unhappy with that extra null line and will
take more than ten seconds in responding to each range request, which slows
down a lot the entire http file transfer process or even time out.

diff --git a/grub-core/net/http.c b/grub-core/net/http.c
index 4684f8b333c2a7bca2e1b398f2a9891380fa6696..a7c5101a13064659424293a0d57976ac4fef8d62 100644 (file)
--- a/grub-core/net/http.c
+++ b/grub-core/net/http.c
@@ -381,9 +381,8 @@ http_establish (struct grub_file *file, grub_off_t offset, int initial)
       ptr = nb->tail;
       grub_snprintf ((char *) ptr,
                     sizeof ("Range: bytes=XXXXXXXXXXXXXXXXXXXX-"
-                            "\r\n"
                             "\r\n"),
-                    "Range: bytes=%" PRIuGRUB_UINT64_T "-\r\n\r\n",
+                    "Range: bytes=%" PRIuGRUB_UINT64_T "-\r\n",
                     offset);
       grub_netbuff_put (nb, grub_strlen ((char *) ptr));
     }