From 01c8daf4b4ddfe4be172abd0b536b1605abeb175 Mon Sep 17 00:00:00 2001
From: Roman Arutyunyan <arut@qip.ru>
Date: Thu, 13 Jun 2013 13:47:43 +0400
Subject: [PATCH] fixed broken msvc memcpy optimization for 4-byte data

---
 ngx_rtmp_stat_module.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/ngx_rtmp_stat_module.c b/ngx_rtmp_stat_module.c
index 322a0af..eb40cfb 100644
--- a/ngx_rtmp_stat_module.c
+++ b/ngx_rtmp_stat_module.c
@@ -204,6 +204,15 @@ ngx_rtmp_stat_output(ngx_http_request_t *r, ngx_chain_t ***lll,
     if (escape) {
         b->last = (u_char *)ngx_escape_html(b->last, data, len);
     } else {
+#if (NGX_WIN32)
+        /* fix broken MSVC memcpy optimization for 4-byte data */
+
+        if (len == 4) {
+            *(uint32_t *) b->last = *(uint32_t *) data;
+            b->last += 4;
+            return;
+        }
+#endif
         b->last = ngx_cpymem(b->last, data, len);
     }
 }