From 2f416260b0c5130d754bf080ccb954dbdfbcd415 Mon Sep 17 00:00:00 2001
From: NikVolf <nikvolf@gmail.com>
Date: Wed, 14 Jun 2017 19:26:38 +0300
Subject: [PATCH] also mem zero

---
 src/interpreter/memory.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/interpreter/memory.rs b/src/interpreter/memory.rs
index 1c208a7..43a921f 100644
--- a/src/interpreter/memory.rs
+++ b/src/interpreter/memory.rs
@@ -127,4 +127,13 @@ impl MemoryInstance {
 
 		Ok(())
 	}
+
+	/// Zero memory region
+	pub fn zero(&self, offset: usize, len: usize) -> Result<(), Error> {
+		let mut buffer = self.buffer.write();
+
+		let range = self.checked_region(&buffer, offset, len)?.range();
+		for val in &mut buffer[range] { *val = 0 }
+		Ok(())
+	}
 }