From dd60e2ff9647408b04f1247bb81c3545dd23d1a6 Mon Sep 17 00:00:00 2001
From: weidai <weidai11@users.noreply.github.com>
Date: Thu, 18 Jun 2009 20:08:16 +0000
Subject: [PATCH] fix bug in PutDecodedDatumInto() with STLPort (from
 trungantran)

---
 datatest.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/datatest.cpp b/datatest.cpp
index 04b4e72b..b7b73da8 100644
--- a/datatest.cpp
+++ b/datatest.cpp
@@ -64,7 +64,11 @@ void PutDecodedDatumInto(const TestData &data, const char *name, BufferedTransfo
 	while (!s1.empty())
 	{
 		while (s1[0] == ' ')
+		{
 			s1 = s1.substr(1);
+			if (s1.empty())
+				return; //avoid invalid read if s1 is empty
+		}
 
 		int repeat = 1;
 		if (s1[0] == 'r')