From 9d66e2299d2c3d78258a78cc3311cc66a39bf058 Mon Sep 17 00:00:00 2001
From: Tomas Hruby <tom@minix3.org>
Date: Thu, 11 Oct 2012 10:23:44 +0000
Subject: [PATCH] LIBLWIP - fixed clang warnings

---
 lib/liblwip/include/arch/cc.h  | 1 +
 lib/liblwip/include/lwip/mem.h | 1 +
 lib/liblwip/include/lwipopts.h | 2 +-
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/liblwip/include/arch/cc.h b/lib/liblwip/include/arch/cc.h
index afad1469b..21599d7fd 100644
--- a/lib/liblwip/include/arch/cc.h
+++ b/lib/liblwip/include/arch/cc.h
@@ -4,6 +4,7 @@
 #include <sys/cdefs.h>
 #include <sys/time.h>
 #include <sys/types.h>
+#include <minix/sysutil.h>
 #include <errno.h>
 #include <assert.h>
 
diff --git a/lib/liblwip/include/lwip/mem.h b/lib/liblwip/include/lwip/mem.h
index e7d8b8baf..67cf00528 100644
--- a/lib/liblwip/include/lwip/mem.h
+++ b/lib/liblwip/include/lwip/mem.h
@@ -41,6 +41,7 @@ extern "C" {
 #if MEM_LIBC_MALLOC
 
 #include <stddef.h> /* for size_t */
+#include <stdlib.h>
 
 typedef size_t mem_size_t;
 
diff --git a/lib/liblwip/include/lwipopts.h b/lib/liblwip/include/lwipopts.h
index 8717c8aae..d3d6ff0bb 100644
--- a/lib/liblwip/include/lwipopts.h
+++ b/lib/liblwip/include/lwipopts.h
@@ -68,7 +68,7 @@
 #define CHECKSUM_CHECK_TCP              	1
 
 #define TCP_MSS				(1460)
-#define TCP_SND_BUF			(256 * TCP_MSS)
+#define TCP_SND_BUF			(44 * TCP_MSS)
 #define TCP_SNDLOWAT			(256)
 #define TCP_SND_QUEUELEN		(512)
 #define TCP_WND				((1 << 16) - 1)