From 30f2a1119a9eb838e055730db9e6853eda71c9a8 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sat, 12 Aug 2000 11:24:06 +0000
Subject: [PATCH] fixed crash in wxStrtok

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@8043 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/common/wxchar.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/common/wxchar.cpp b/src/common/wxchar.cpp
index f9e73aed8a..fc5860b69c 100644
--- a/src/common/wxchar.cpp
+++ b/src/common/wxchar.cpp
@@ -171,6 +171,10 @@ int WXDLLEXPORT wxStricmp(const wxChar *psz1, const wxChar *psz2)
 #ifndef wxStrtok
 WXDLLEXPORT wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr)
 {
+  if (!(save_ptr && *save_ptr)) {
+    return (wxChar *) NULL;
+  }
+
   if (!psz) psz = *save_ptr;
   psz += wxStrspn(psz, delim);
   if (!*psz) {