From bfc2b56cbf323c03fd15b23950a65b0c8c22c7a2 Mon Sep 17 00:00:00 2001
From: kichik <kichik@212acab6-be3b-0410-9dea-997c60f758d6>
Date: Fri, 24 Jun 2005 13:12:03 +0000
Subject: [PATCH] limit MultiByteToWideChar to the real size available, not the
 total

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@4135 212acab6-be3b-0410-9dea-997c60f758d6
---
 Source/DialogTemplate.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/DialogTemplate.cpp b/Source/DialogTemplate.cpp
index afb61580..009768a3 100644
--- a/Source/DialogTemplate.cpp
+++ b/Source/DialogTemplate.cpp
@@ -83,7 +83,7 @@ void ReadVarLenArr(LPBYTE &seeker, char* &readInto, unsigned int uCodePage) {
       seeker += sizeof(WORD); \
     } \
     else { \
-      int us = MultiByteToWideChar(m_uCodePage, 0, x, -1, (WCHAR*)seeker, dwSize); \
+      int us = MultiByteToWideChar(m_uCodePage, 0, x, -1, (WCHAR*)seeker, dwSize - DWORD(seeker - pbDlg)); \
       if (!us) { \
         throw runtime_error("WriteStringOrId - Unicode conversion failed."); \
       } \