From 758572872d8bc23a610cd83a7754b7eca508700d Mon Sep 17 00:00:00 2001
From: cpq <valenok@gmail.com>
Date: Thu, 29 Apr 2021 09:26:37 +0100
Subject: [PATCH] Fix #1255

---
 mongoose.c | 2 +-
 src/http.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/mongoose.c b/mongoose.c
index df4a2959..d68a1508 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -692,7 +692,7 @@ void mg_http_printf_chunk(struct mg_connection *c, const char *fmt, ...) {
 }
 
 void mg_http_write_chunk(struct mg_connection *c, const char *buf, size_t len) {
-  mg_printf(c, "%X\r\n", len);
+  mg_printf(c, "%lX\r\n", (unsigned long) len);
   mg_send(c, buf, len);
   mg_send(c, "\r\n", 2);
 }
diff --git a/src/http.c b/src/http.c
index 0711fc8c..3e71d49d 100644
--- a/src/http.c
+++ b/src/http.c
@@ -270,7 +270,7 @@ void mg_http_printf_chunk(struct mg_connection *c, const char *fmt, ...) {
 }
 
 void mg_http_write_chunk(struct mg_connection *c, const char *buf, size_t len) {
-  mg_printf(c, "%X\r\n", len);
+  mg_printf(c, "%lX\r\n", (unsigned long) len);
   mg_send(c, buf, len);
   mg_send(c, "\r\n", 2);
 }