[PATCH 12 of 20] Upstream: simplified Accept-Ranges handling

[Maxim Dounin]

# HG changeset patch
# User Maxim Dounin <mdounin at mdounin.ru>
# Date 1650492331 -10800
#      Thu Apr 21 01:05:31 2022 +0300
# Node ID 1231bff732696207842fa66b71ca63b951ac5c06
# Parent  6441069e16a0c4755c662bc07bdcb0960c9ac04a
Upstream: simplified Accept-Ranges handling.

The u->headers_in.accept_ranges field is not used anywhere and hence removed.

diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -259,8 +259,7 @@ static ngx_http_upstream_header_t  ngx_h
                  offsetof(ngx_http_headers_out_t, expires), 1 },
 
     { ngx_string("Accept-Ranges"),
-                 ngx_http_upstream_process_header_line,
-                 offsetof(ngx_http_upstream_headers_in_t, accept_ranges),
+                 ngx_http_upstream_ignore_header_line, 0,
                  ngx_http_upstream_copy_allow_ranges,
                  offsetof(ngx_http_headers_out_t, accept_ranges), 1 },
 
diff --git a/src/http/ngx_http_upstream.h b/src/http/ngx_http_upstream.h
--- a/src/http/ngx_http_upstream.h
+++ b/src/http/ngx_http_upstream.h
@@ -280,7 +280,6 @@ typedef struct {
 
     ngx_table_elt_t                 *last_modified;
     ngx_table_elt_t                 *location;
-    ngx_table_elt_t                 *accept_ranges;
     ngx_table_elt_t                 *www_authenticate;
     ngx_table_elt_t                 *transfer_encoding;
     ngx_table_elt_t                 *vary;