add_header last-modified ""
diff --git a/src/http/modules/ngx_http_headers_filter_module.c b/src/http/modules/ngx_http_headers_filter_module.c
index 81f4eb1..06c91bc 100644
--- a/src/http/modules/ngx_http_headers_filter_module.c
+++ b/src/http/modules/ngx_http_headers_filter_module.c
@@ -369,7 +369,14 @@
old = NULL;
}
+ r->headers_out.last_modified_time = -1;
+
if (old == NULL || *old == NULL) {
+
+ if (value->len == 0) {
+ return NGX_OK;
+ }
+
h = ngx_list_push(&r->headers_out.headers);
if (h == NULL) {
return NGX_ERROR;
@@ -377,14 +384,17 @@
} else {
h = *old;
+
+ if (value->len == 0) {
+ h->hash = 0;
+ return NGX_OK;
+ }
}
h->hash = hv->value.hash;
h->key = hv->value.key;
h->value = *value;
- r->headers_out.last_modified_time = -1;
-
return NGX_OK;
}