From cd55a93cce4204a1b4ea5b16391d5ce8380f5997 Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Mon, 19 Jan 2009 16:42:14 +0000
Subject: [PATCH] fix segfault when geo range replaces starting part of another
 range

---
 src/http/modules/ngx_http_geo_module.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/http/modules/ngx_http_geo_module.c b/src/http/modules/ngx_http_geo_module.c
index 5535eb299..bd6499ec7 100644
--- a/src/http/modules/ngx_http_geo_module.c
+++ b/src/http/modules/ngx_http_geo_module.c
@@ -636,8 +636,8 @@ ngx_http_geo_add_range(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx,
 
                 range = a->elts;
 
-                ngx_memcpy(&range[i + 2], &range[i + 1],
-                           (a->nelts - 2 - i) * sizeof(ngx_http_geo_range_t));
+                ngx_memcpy(&range[i + 1], &range[i],
+                           (a->nelts - 1 - i) * sizeof(ngx_http_geo_range_t));
 
                 range[i + 1].start = (u_short) (e + 1);