nginx 0.8.30 *) Change: now the default buffer size of the "large_client_header_buffers" directive is 8K. Thanks to Andrew Cholakian. *) Feature: the conf/fastcgi.conf for simple FastCGI configurations. *) Bugfix: nginx/Windows tried to rename a temporary file twice if the file should replace an already existent file. *) Bugfix: of "double free or corruption" error issued if host could not be resolved; the bug had appeared in 0.8.22. Thanks to Konstantin Svist. *) Bugfix: in libatomic usage on some platforms. Thanks to W-Mark Kubacki.

--- a/src/core/ngx_file.c
+++ b/src/core/ngx_file.c
@@ -591,17 +591,7 @@ ngx_ext_rename_file(ngx_str_t *src, ngx_
 #if (NGX_WIN32)
 
     if (err == NGX_EEXIST) {
-        if (ngx_win32_rename_file(src, to, ext->log) == NGX_OK) {
-
-            if (ngx_rename_file(src->data, to->data) != NGX_FILE_ERROR) {
-                return NGX_OK;
-            }
-
-            err = ngx_errno;
-
-        } else {
-            err = 0;
-        }
+        err = ngx_win32_rename_file(src, to, ext->log);
     }
 
 #endif