From d564c16268e16f1a65abc1d1a557c38ec66e2494 Mon Sep 17 00:00:00 2001
From: JoelKatz <DavidJoelSchwartz@GMail.com>
Date: Thu, 28 Jun 2012 13:12:50 -0700
Subject: [PATCH] Lexical casts that don't throw.

---
 src/utils.h | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/src/utils.h b/src/utils.h
index 1d15a1a9b0..0e1fead5cc 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -158,6 +158,31 @@ inline std::string strGetEnv(const std::string& strKey)
 {
 	return getenv(strKey.c_str()) ? getenv(strKey.c_str()) : "";
 }
+
+template<typename T> T lexical_cast_s(const std::string& string)
+{ // lexically cast a string to the selected type. Does not throw
+	try
+	{
+		return boost::lexical_cast<T>(string);
+	}
+	catch (...)
+	{
+		return 0;
+	}
+}
+
+template<typename T> std::string lexical_cast_i(T t)
+{ // lexicaly cast the selected type to a string. Does not throw
+	try
+	{
+		return boost::lexical_cast<std::string>(t);
+	}
+	catch (...)
+	{
+		return "";
+	}
+}
+
 #endif
 
 // vim:ts=4