From ec7fcffcb5943065be09f21252520a813143b435 Mon Sep 17 00:00:00 2001
From: joss17 <joss17@users.sourceforge.net>
Date: Sun, 31 Jan 2010 20:17:15 +0000
Subject: [PATCH] fix a possible bug in getTlvString

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@2166 b45a01b8-16f6-495d-af2f-9b41ad6348cc
---
 libretroshare/src/serialiser/rstlvbase.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libretroshare/src/serialiser/rstlvbase.cc b/libretroshare/src/serialiser/rstlvbase.cc
index 2f64ffff3..d407edd62 100644
--- a/libretroshare/src/serialiser/rstlvbase.cc
+++ b/libretroshare/src/serialiser/rstlvbase.cc
@@ -449,7 +449,11 @@ bool GetTlvString(void *data, uint32_t size, uint32_t *offset,
 
 	char *strdata = (char *) right_shift_void_pointer(tlvstart, TLV_HEADER_SIZE);
 	uint16_t strsize = tlvsize - TLV_HEADER_SIZE; /* remove the header */
-	in = std::string(strdata, strsize);
+        if (strsize <= 0) {
+            in = "";
+        } else {
+            in = std::string(strdata, strsize);
+        }
 
 	*offset += tlvsize; /* step along */
 	return true;