From 2e2e50d96a933e0cb009faf017b4dbb00ca7f6ef Mon Sep 17 00:00:00 2001
From: asfernandes <asfernandes@users.sourceforge.net>
Date: Thu, 25 Jun 2009 15:13:48 +0000
Subject: [PATCH] Warning

---
 src/common/cvt.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/common/cvt.cpp b/src/common/cvt.cpp
index 0995d809b6..32b057790d 100644
--- a/src/common/cvt.cpp
+++ b/src/common/cvt.cpp
@@ -1437,7 +1437,8 @@ void CVT_move_common(const dsc* from, dsc* to, Callbacks* cb)
 				// multibyte character sets which use a zero
 				// byte to represent end-of-string
 
-				length = MIN(length, to->dsc_length - 1);
+				fb_assert(to->dsc_length > 0)
+				length = MIN(length, ULONG(to->dsc_length - 1));
 				cb->validateData(toCharset, length, q, cb->err);
 				toLength = length;