From d233810051bb7f5edd0d5239f8fb5b25b7b69dd1 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 16 May 2015 20:09:04 +0100
Subject: [PATCH] setbrk: possible paranoia for the moment

ensure our new sbrk space is clean
---
 Applications/V7/cmd/sh/setbrk.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Applications/V7/cmd/sh/setbrk.c b/Applications/V7/cmd/sh/setbrk.c
index 618edf73..fe1b31a7 100644
--- a/Applications/V7/cmd/sh/setbrk.c
+++ b/Applications/V7/cmd/sh/setbrk.c
@@ -10,10 +10,13 @@
  */
 
 #include	"defs.h"
+#include	<string.h>
 
 void *setbrk(intptr_t incr)
 {
 	uint8_t *a = sbrk(incr);
 	brkend = a + incr;
+	if (a != (uint8_t *)-1)
+		memset(a, 0, incr);
 	return a;
 }
-- 
2.34.1