From c7f3d6d3d6b800356b6810c97ec7d30b7918832c Mon Sep 17 00:00:00 2001
From: Maxim Dounin <mdounin@mdounin.ru>
Date: Fri, 23 Aug 2013 22:18:39 +0400
Subject: [PATCH] Fixed try_files with empty argument (ticket #390).

---
 src/http/ngx_http_core_module.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
index 25d3dc97d..f2c3adeff 100644
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -4758,7 +4758,9 @@ ngx_http_core_try_files(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
 
         tf[i].name = value[i + 1];
 
-        if (tf[i].name.data[tf[i].name.len - 1] == '/') {
+        if (tf[i].name.len > 0
+            && tf[i].name.data[tf[i].name.len - 1] == '/')
+        {
             tf[i].test_dir = 1;
             tf[i].name.len--;
             tf[i].name.data[tf[i].name.len] = '\0';