details: http://hg.nginx.org/nginx/rev/7ed23dcfea3d
branches:
changeset: 5427:7ed23dcfea3d
user: Maxim Dounin <mdou...@mdounin.ru>
date: Fri Oct 18 18:13:44 2013 +0400
description:
Headers filter: empty Cache-Control is no longer added.
Much like with other headers, "add_header Cache-Control $value;" no longer
results in anything added to response headers if $value evaluates to an
empty string.
diffstat:
src/http/modules/ngx_http_headers_filter_module.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diffs (14 lines):
diff --git a/src/http/modules/ngx_http_headers_filter_module.c
b/src/http/modules/ngx_http_headers_filter_module.c
--- a/src/http/modules/ngx_http_headers_filter_module.c
+++ b/src/http/modules/ngx_http_headers_filter_module.c
@@ -339,6 +339,10 @@ ngx_http_add_cache_control(ngx_http_requ
{
ngx_table_elt_t *cc, **ccp;
+ if (value->len == 0) {
+ return NGX_OK;
+ }
+
ccp = r->headers_out.cache_control.elts;
if (ccp == NULL) {
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