From a8f1f1b23b32cb72c5aef4df2ec52049e7d82fcd Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sun, 15 Jun 2003 19:33:04 +0000
Subject: [PATCH] check parmateres in Replace() (bug 752716)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21170 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/common/string.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/common/string.cpp b/src/common/string.cpp
index 9f97667da3..34776e1caa 100644
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -958,8 +958,13 @@ wxString wxString::AfterFirst(wxChar ch) const
 }
 
 // replace first (or all) occurences of some substring with another one
-size_t wxString::Replace(const wxChar *szOld, const wxChar *szNew, bool bReplaceAll)
+size_t
+wxString::Replace(const wxChar *szOld, const wxChar *szNew, bool bReplaceAll)
 {
+    // if we tried to replace an empty string we'd enter an infinite loop below
+    wxCHECK_MSG( szOld && *szOld && szNew, 0,
+                 _T("wxString::Replace(): invalid parameter") );
+
   size_t uiCount = 0;   // count of replacements made
 
   size_t uiOldLen = wxStrlen(szOld);
-- 
2.50.0