fixed bugs in rfind() (patch 481325)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12404 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/common/string.cpp b/src/common/string.cpp
index 680cc70c2bb076599db9bfc6575f3a6123d9b9b2..7a30eb68ce14201efb33f6e414ad681cabaab041 100644 (file)
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -1698,7 +1698,7 @@ size_t wxString::find(wxChar ch, size_t nStart) const
 size_t wxString::rfind(const wxString& str, size_t nStart) const
 {
   wxASSERT( str.GetStringData()->IsValid() );
-  wxASSERT( nStart <= Len() );
+  wxASSERT( nStart == npos || nStart <= Len() );
 
   // TODO could be made much quicker than that
   const wxChar *p = c_str() + (nStart == npos ? Len() : nStart);
@@ -1715,7 +1715,7 @@ size_t wxString::rfind(const wxString& str, size_t nStart) const
 #if !defined(__VISUALC__) || defined(__WIN32__)
 size_t wxString::rfind(const wxChar* sz, size_t nStart, size_t n) const
 {
-    return rfind(wxString(sz, n == npos ? 0 : n), nStart);
+    return rfind(wxString(sz, n == npos ? wxSTRING_MAXLEN : n), nStart);
 }
 
 size_t wxString::rfind(wxChar ch, size_t nStart) const