# HG changeset patch
# User Igor Sysoev <igor@sysoev.ru>
# Date 1235934636 0
# Node ID e73f70b4ca5ce8a10e37cc55a25c02a829c6cef4
# Parent  042dcbaead66677146646ebc09fb32b30f9c1eb3
fix case when the first try is shorter then URI

diff -r 042dcbaead66 -r e73f70b4ca5c src/http/ngx_http_core_module.c
--- a/src/http/ngx_http_core_module.c	Wed Feb 25 14:27:34 2009 +0000
+++ b/src/http/ngx_http_core_module.c	Sun Mar 01 19:10:36 2009 +0000
@@ -1086,12 +1086,8 @@
             len = tf->name.len;
         }
 
-        reserve = len - r->uri.len;
-
         /* 16 bytes are preallocation */
-        reserve = reserve < 16 ? 16 : reserve + 16;
-
-        reserve += alias;
+        reserve = ngx_abs((ssize_t) (len - r->uri.len)) + alias + 16;
 
         if (reserve > allocated) {