From 74f6d6d74f7a3be5aece37a0b419e40d96e036d4 Mon Sep 17 00:00:00 2001 From: Dan Gudmundsson Date: Fri, 20 Dec 2013 09:20:22 +0100 Subject: wx: Fix crash when garbage collect event handlers (debugger caused seg fault) wxStyledTextCtrl had no wrapper class so, because it was not detected that it had virtual destructors, thus references to it was not cleaned up on destruction. When a process dies and wx cleans up the event handlers access was made to the deleted object and caused a seg fault. Added a testcase which I thought could provoke the bug but didn't. --- lib/wx/c_src/gen/wxe_derived_dest.h | 6 ++++++ lib/wx/c_src/gen/wxe_funcs.cpp | 8 ++++---- 2 files changed, 10 insertions(+), 4 deletions(-) (limited to 'lib/wx/c_src/gen') diff --git a/lib/wx/c_src/gen/wxe_derived_dest.h b/lib/wx/c_src/gen/wxe_derived_dest.h index 8dcaf1c1ac..7e2d4524cb 100644 --- a/lib/wx/c_src/gen/wxe_derived_dest.h +++ b/lib/wx/c_src/gen/wxe_derived_dest.h @@ -736,6 +736,12 @@ class EwxPrintout : public wxPrintout { EwxPrintout(const wxString& title) : wxPrintout(title) {}; }; +class EwxStyledTextCtrl : public wxStyledTextCtrl { + public: ~EwxStyledTextCtrl() {((WxeApp *)wxTheApp)->clearPtr(this);}; + EwxStyledTextCtrl(wxWindow * parent,wxWindowID id,const wxPoint& pos,const wxSize& size,long style) : wxStyledTextCtrl(parent,id,pos,size,style) {}; + EwxStyledTextCtrl() : wxStyledTextCtrl() {}; +}; + class EwxClipboard : public wxClipboard { public: ~EwxClipboard() {((WxeApp *)wxTheApp)->clearPtr(this);}; EwxClipboard() : wxClipboard() {}; diff --git a/lib/wx/c_src/gen/wxe_funcs.cpp b/lib/wx/c_src/gen/wxe_funcs.cpp index b5fbac3fe0..329af36f4d 100644 --- a/lib/wx/c_src/gen/wxe_funcs.cpp +++ b/lib/wx/c_src/gen/wxe_funcs.cpp @@ -26953,14 +26953,14 @@ case wxStyledTextCtrl_new_2: { // wxStyledTextCtrl::wxStyledTextCtrl style = (long)*(int *) bp; bp += 4; } break; }}; - wxStyledTextCtrl * Result = new wxStyledTextCtrl(parent,id,pos,size,style); - /* Possible memory leak here, class is missing virt dest */ + wxStyledTextCtrl * Result = new EwxStyledTextCtrl(parent,id,pos,size,style); + newPtr((void *) Result, 0, memenv); rt.addRef(getRef((void *)Result,memenv), "wxStyledTextCtrl"); break; } case wxStyledTextCtrl_new_0: { // wxStyledTextCtrl::wxStyledTextCtrl - wxStyledTextCtrl * Result = new wxStyledTextCtrl(); - /* Possible memory leak here, class is missing virt dest */ + wxStyledTextCtrl * Result = new EwxStyledTextCtrl(); + newPtr((void *) Result, 0, memenv); rt.addRef(getRef((void *)Result,memenv), "wxStyledTextCtrl"); break; } -- cgit v1.2.3