From 488fe1feb6e8924cb8a2fddc633e1198d16e5345 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Fri, 25 Feb 2000 00:03:29 +0000
Subject: [PATCH] fix for bug #29 (blank lines in GetLineText)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6272 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/msw/textctrl.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp
index c23b395533..c4969c9394 100644
--- a/src/msw/textctrl.cpp
+++ b/src/msw/textctrl.cpp
@@ -807,7 +807,16 @@ int wxTextCtrl::GetLineLength(long lineNo) const
 
 wxString wxTextCtrl::GetLineText(long lineNo) const
 {
+    // TODO this should probably be optimized by using GetWriteBuf()
+
     size_t len = (size_t)GetLineLength(lineNo) + 1;
+    if ( len < sizeof(WORD) )
+    {
+        // there must be at least enough place for the length WORD in the
+        // buffer
+        len += sizeof(WORD);
+    }
+
     char *buf = (char *)malloc(len);
     *(WORD *)buf = len;
     int noChars = (int)SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf);
-- 
2.45.2