From 895ca80b2b0046361b73643cd6ac3cd41b459a2f Mon Sep 17 00:00:00 2001
From: Behnejad <3690943+behnejad@users.noreply.github.com>
Date: Tue, 7 Jun 2022 08:00:12 +0430
Subject: [PATCH] fixing offset of Content-Length value.

in very large HTTP response, this offset might cause a problem with HTTP header format.
---
 src/http.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/http.c b/src/http.c
index 4909f93c..7c24fbf8 100644
--- a/src/http.c
+++ b/src/http.c
@@ -616,7 +616,7 @@ static void listdir(struct mg_connection *c, struct mg_http_message *hm,
             MG_VERSION);
   n = mg_snprintf(tmp, sizeof(tmp), "%lu", (unsigned long) (c->send.len - off));
   if (n > sizeof(tmp)) n = 0;
-  memcpy(c->send.buf + off - 10, tmp, n);  // Set content length
+  memcpy(c->send.buf + off - 12, tmp, n);  // Set content length
 }
 
 static void remove_double_dots(char *s) {