# HG changeset patch
# User Maxim Dounin <mdounin@mdounin.ru>
# Date 1364577069 0
# Node ID 668882b5e737a4b4b60d35e5becead457a8dbfc6
# Parent  ee0ef63e39aadd22c43681fcaf3927b8901656ef
Merge of r5070: fixed false memset warning on Linux.

Fixed false memset warning on Linux with -O3 (ticket #275).

Prodded by John Leach.

diff --git a/src/http/modules/ngx_http_autoindex_module.c b/src/http/modules/ngx_http_autoindex_module.c
--- a/src/http/modules/ngx_http_autoindex_module.c
+++ b/src/http/modules/ngx_http_autoindex_module.c
@@ -489,8 +489,11 @@ ngx_http_autoindex_handler(ngx_http_requ
             }
 
             b->last = ngx_cpymem(b->last, "</a>", sizeof("</a>") - 1);
-            ngx_memset(b->last, ' ', NGX_HTTP_AUTOINDEX_NAME_LEN - len);
-            b->last += NGX_HTTP_AUTOINDEX_NAME_LEN - len;
+
+            if (NGX_HTTP_AUTOINDEX_NAME_LEN - len > 0) {
+                ngx_memset(b->last, ' ', NGX_HTTP_AUTOINDEX_NAME_LEN - len);
+                b->last += NGX_HTTP_AUTOINDEX_NAME_LEN - len;
+            }
         }
 
         *b->last++ = ' ';