document On{Open,Save}Document()

[wxWidgets.git] / src / common / log.cpp

diff --git a/src/common/log.cpp b/src/common/log.cpp
index a4647eee3c027f20017ac1f47597a6d1f52a2ada..9cdf13a271914e3ec106bd6cfad99d9cb66a4b50 100644 (file)
--- a/src/common/log.cpp
+++ b/src/common/log.cpp
@@ -1,12 +1,12 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        log.cpp
+// Name:        src/common/log.cpp

 // Purpose:     Assorted wxLogXXX functions, and wxLog (sink for logs)
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     29/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Purpose:     Assorted wxLogXXX functions, and wxLog (sink for logs)
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     29/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -17,49 +17,75 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
-  #pragma implementation "log.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__

-  #pragma hdrstop
+    #pragma hdrstop

 #endif
 
 #endif
 

-// wxWindows
+#if wxUSE_LOG
+
+// wxWidgets

 #ifndef WX_PRECOMP
 #ifndef WX_PRECOMP

-    #include "wx/string.h"
-    #include "wx/intl.h"
+    #include "wx/log.h"

     #include "wx/app.h"
     #include "wx/app.h"

-
-    #if wxUSE_GUI
-        #include "wx/window.h"
-        #ifdef __WXMSW__
-            #include "wx/msw/private.h"
-        #endif
-        #include "wx/msgdlg.h"
-    #endif
+    #include "wx/arrstr.h"
+    #include "wx/intl.h"
+    #include "wx/string.h"
+    #include "wx/utils.h"

 #endif //WX_PRECOMP
 
 #endif //WX_PRECOMP
 

-#include  "wx/file.h"
-#include  "wx/textfile.h"
-#include  "wx/utils.h"
-#include  "wx/wxchar.h"
-#include  "wx/log.h"
-#include  "wx/thread.h"
+#include "wx/apptrait.h"
+#include "wx/datetime.h"
+#include "wx/file.h"
+#include "wx/msgout.h"
+#include "wx/textfile.h"
+#include "wx/thread.h"
+#include "wx/crt.h"

 
 // other standard headers
 
 // other standard headers

-#include  <errno.h>
-#include  <stdlib.h>
-#include  <time.h>
+#ifndef __WXWINCE__
+#include <errno.h>
+#endif

 
 

-#ifdef  __WXMSW__
-  #include  "wx/msw/private.h"      // includes windows.h for OutputDebugString
-#else   //Unix
-  #include  <signal.h>
-#endif  //Win/Unix
+#include <stdlib.h>
+
+#ifndef __WXPALMOS5__
+#ifndef __WXWINCE__
+#include <time.h>
+#else
+#include "wx/msw/wince/time.h"
+#endif
+#endif /* ! __WXPALMOS5__ */
+
+#if defined(__WINDOWS__)
+    #include "wx/msw/private.h" // includes windows.h
+#endif
+
+#if wxUSE_THREADS
+
+// define static functions providing access to the critical sections we use
+// instead of just using static critical section variables as log functions may
+// be used during static initialization and while this is certainly not
+// advisable it's still better to not crash (as we'd do if we used a yet
+// uninitialized critical section) if it happens
+
+static inline wxCriticalSection& GetTraceMaskCS()
+{
+    static wxCriticalSection s_csTrace;
+
+    return s_csTrace;
+}
+
+static inline wxCriticalSection& GetPreviousLogCS()
+{
+    static wxCriticalSection s_csPrev;
+
+    return s_csPrev;
+}
+
+#endif // wxUSE_THREADS

 
 // ----------------------------------------------------------------------------
 // non member functions
 
 // ----------------------------------------------------------------------------
 // non member functions


@@ -76,24 +102,6 @@
 // implementation
 // ============================================================================
 
 // implementation
 // ============================================================================
 

-// ----------------------------------------------------------------------------
-// globals
-// ----------------------------------------------------------------------------
-
-// log functions can't allocate memory (LogError("out of memory...") should
-// work!), so we use a static buffer for all log messages
-#define LOG_BUFFER_SIZE   (4096)
-
-// static buffer for error messages
-static wxChar s_szBuf[LOG_BUFFER_SIZE];
-
-#if wxUSE_THREADS
-
-// the critical section protecting the static buffer
-static wxCriticalSection gs_csLogBuf;
-
-#endif // wxUSE_THREADS
-

 // ----------------------------------------------------------------------------
 // implementation of Log functions
 //
 // ----------------------------------------------------------------------------
 // implementation of Log functions
 //


@@ -102,110 +110,291 @@ static wxCriticalSection gs_csLogBuf;
 // ----------------------------------------------------------------------------
 
 // generic log function
 // ----------------------------------------------------------------------------
 
 // generic log function

-void wxLogGeneric(wxLogLevel level, const wxChar *szFormat, ...)
+void wxVLogGeneric(wxLogLevel level, const wxString& format, va_list argptr)

 {
 {

-  if ( wxLog::GetActiveTarget() != NULL ) {
-    wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+    if ( wxLog::IsEnabled() ) {
+        wxLog::OnLog(level, wxString::FormatV(format, argptr), time(NULL));
+    }
+}

 
 

+#if !wxUSE_UTF8_LOCALE_ONLY
+void wxDoLogGenericWchar(wxLogLevel level, const wxChar *format, ...)
+{

     va_list argptr;
     va_list argptr;

-    va_start(argptr, szFormat);
-    wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
+    va_start(argptr, format);
+    wxVLogGeneric(level, format, argptr);

     va_end(argptr);
     va_end(argptr);

+}
+#endif // wxUSE_UTF8_LOCALE_ONLY

 
 

-    wxLog::OnLog(level, s_szBuf, time(NULL));
-  }
+#if wxUSE_UNICODE_UTF8
+void wxDoLogGenericUtf8(wxLogLevel level, const char *format, ...)
+{
+    va_list argptr;
+    va_start(argptr, format);
+    wxVLogGeneric(level, format, argptr);
+    va_end(argptr);

 }
 }

+#endif // wxUSE_UNICODE_UTF8
+
+#if !wxUSE_UTF8_LOCALE_ONLY
+    #define IMPLEMENT_LOG_FUNCTION_WCHAR(level)                         \
+      void wxDoLog##level##Wchar(const wxChar *format, ...)             \
+      {                                                                 \
+        va_list argptr;                                                 \
+        va_start(argptr, format);                                       \
+        wxVLog##level(format, argptr);                                  \
+        va_end(argptr);                                                 \
+      }
+#else
+    #define IMPLEMENT_LOG_FUNCTION_WCHAR(level)
+#endif

 
 

-#define IMPLEMENT_LOG_FUNCTION(level)                             \
-  void wxLog##level(const wxChar *szFormat, ...)                  \
-  {                                                               \
-    if ( wxLog::GetActiveTarget() != NULL ) {                     \
-      wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);                    \
-                                                                  \
-      va_list argptr;                                             \
-      va_start(argptr, szFormat);                                 \
-      wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);  \
-      va_end(argptr);                                             \
-                                                                  \
-      wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL));           \
-    }                                                             \
-  }
+#if wxUSE_UNICODE_UTF8
+    #define IMPLEMENT_LOG_FUNCTION_UTF8(level)                          \
+      void wxDoLog##level##Utf8(const char *format, ...)                \
+      {                                                                 \
+        va_list argptr;                                                 \
+        va_start(argptr, format);                                       \
+        wxVLog##level(format, argptr);                                  \
+        va_end(argptr);                                                 \
+      }
+#else
+    #define IMPLEMENT_LOG_FUNCTION_UTF8(level)
+#endif
+
+#define IMPLEMENT_LOG_FUNCTION(level)                               \
+  void wxVLog##level(const wxString& format, va_list argptr)        \
+  {                                                                 \
+    if ( wxLog::IsEnabled() ) {                                     \
+      wxLog::OnLog(wxLOG_##level,                                   \
+                   wxString::FormatV(format, argptr), time(NULL));  \
+    }                                                               \
+  }                                                                 \
+  IMPLEMENT_LOG_FUNCTION_WCHAR(level)                               \
+  IMPLEMENT_LOG_FUNCTION_UTF8(level)

 
 

-IMPLEMENT_LOG_FUNCTION(FatalError)

 IMPLEMENT_LOG_FUNCTION(Error)
 IMPLEMENT_LOG_FUNCTION(Warning)
 IMPLEMENT_LOG_FUNCTION(Message)
 IMPLEMENT_LOG_FUNCTION(Info)
 IMPLEMENT_LOG_FUNCTION(Status)
 
 IMPLEMENT_LOG_FUNCTION(Error)
 IMPLEMENT_LOG_FUNCTION(Warning)
 IMPLEMENT_LOG_FUNCTION(Message)
 IMPLEMENT_LOG_FUNCTION(Info)
 IMPLEMENT_LOG_FUNCTION(Status)
 

+void wxSafeShowMessage(const wxString& title, const wxString& text)
+{
+#ifdef __WINDOWS__
+    ::MessageBox(NULL, text.wx_str(), title.wx_str(), MB_OK | MB_ICONSTOP);
+#else
+    wxFprintf(stderr, wxS("%s: %s\n"), title.c_str(), text.c_str());
+    fflush(stderr);
+#endif
+}
+
+// fatal errors can't be suppressed nor handled by the custom log target and
+// always terminate the program
+void wxVLogFatalError(const wxString& format, va_list argptr)
+{
+    wxSafeShowMessage(wxS("Fatal Error"), wxString::FormatV(format, argptr));
+
+#ifdef __WXWINCE__
+    ExitThread(3);
+#else
+    abort();
+#endif
+}
+
+#if !wxUSE_UTF8_LOCALE_ONLY
+void wxDoLogFatalErrorWchar(const wxChar *format, ...)
+{
+    va_list argptr;
+    va_start(argptr, format);
+    wxVLogFatalError(format, argptr);
+
+    // some compilers warn about unreachable code and it shouldn't matter
+    // for the others anyhow...
+    //va_end(argptr);
+}
+#endif // wxUSE_UTF8_LOCALE_ONLY
+
+#if wxUSE_UNICODE_UTF8
+void wxDoLogFatalErrorUtf8(const char *format, ...)
+{
+    va_list argptr;
+    va_start(argptr, format);
+    wxVLogFatalError(format, argptr);
+
+    // some compilers warn about unreachable code and it shouldn't matter
+    // for the others anyhow...
+    //va_end(argptr);
+}
+#endif // wxUSE_UNICODE_UTF8
+

 // same as info, but only if 'verbose' mode is on
 // same as info, but only if 'verbose' mode is on

-void wxLogVerbose(const wxChar *szFormat, ...)
+void wxVLogVerbose(const wxString& format, va_list argptr)

 {
 {

-  wxLog *pLog = wxLog::GetActiveTarget();
-  if ( pLog != NULL && pLog->GetVerbose() ) {
-    wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+    if ( wxLog::IsEnabled() ) {
+        if ( wxLog::GetActiveTarget() != NULL && wxLog::GetVerbose() ) {
+            wxLog::OnLog(wxLOG_Info,
+                         wxString::FormatV(format, argptr), time(NULL));
+        }
+    }
+}

 
 

+#if !wxUSE_UTF8_LOCALE_ONLY
+void wxDoLogVerboseWchar(const wxChar *format, ...)
+{

     va_list argptr;
     va_list argptr;

-    va_start(argptr, szFormat);
-    wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
+    va_start(argptr, format);
+    wxVLogVerbose(format, argptr);

     va_end(argptr);
     va_end(argptr);

+}
+#endif // !wxUSE_UTF8_LOCALE_ONLY

 
 

-    wxLog::OnLog(wxLOG_Info, s_szBuf, time(NULL));
-  }
+#if wxUSE_UNICODE_UTF8
+void wxDoLogVerboseUtf8(const char *format, ...)
+{
+    va_list argptr;
+    va_start(argptr, format);
+    wxVLogVerbose(format, argptr);
+    va_end(argptr);

 }
 }

+#endif // wxUSE_UNICODE_UTF8

 
 // debug functions
 #ifdef __WXDEBUG__
 
 // debug functions
 #ifdef __WXDEBUG__

-#define IMPLEMENT_LOG_DEBUG_FUNCTION(level)                       \
-  void wxLog##level(const wxChar *szFormat, ...)                  \
-  {                                                               \
-    if ( wxLog::GetActiveTarget() != NULL ) {                     \
-      wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);                    \
-                                                                  \
-      va_list argptr;                                             \
-      va_start(argptr, szFormat);                                 \
-      wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);  \
-      va_end(argptr);                                             \
-                                                                  \
-      wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL));           \
-    }                                                             \
-  }

 
 

-  void wxLogTrace(const wxChar *mask, const wxChar *szFormat, ...)
-  {
-    wxLog *pLog = wxLog::GetActiveTarget();
+#if !wxUSE_UTF8_LOCALE_ONLY
+    #define IMPLEMENT_LOG_DEBUG_FUNCTION_WCHAR(level)                   \
+      void wxDoLog##level##Wchar(const wxChar *format, ...)             \
+      {                                                                 \
+        va_list argptr;                                                 \
+        va_start(argptr, format);                                       \
+        wxVLog##level(format, argptr);                                  \
+        va_end(argptr);                                                 \
+      }
+#else
+    #define IMPLEMENT_LOG_DEBUG_FUNCTION_WCHAR(level)
+#endif

 
 

-    if ( pLog != NULL && wxLog::IsAllowedTraceMask(mask) ) {
-      wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+#if wxUSE_UNICODE_UTF8
+    #define IMPLEMENT_LOG_DEBUG_FUNCTION_UTF8(level)                    \
+      void wxDoLog##level##Utf8(const char *format, ...)                \
+      {                                                                 \
+        va_list argptr;                                                 \
+        va_start(argptr, format);                                       \
+        wxVLog##level(format, argptr);                                  \
+        va_end(argptr);                                                 \
+      }
+#else
+    #define IMPLEMENT_LOG_DEBUG_FUNCTION_UTF8(level)
+#endif
+
+#define IMPLEMENT_LOG_DEBUG_FUNCTION(level)                         \
+  void wxVLog##level(const wxString& format, va_list argptr)        \
+  {                                                                 \
+    if ( wxLog::IsEnabled() ) {                                     \
+      wxLog::OnLog(wxLOG_##level,                                   \
+                   wxString::FormatV(format, argptr), time(NULL));  \
+    }                                                               \
+  }                                                                 \
+  IMPLEMENT_LOG_DEBUG_FUNCTION_WCHAR(level)                         \
+  IMPLEMENT_LOG_DEBUG_FUNCTION_UTF8(level)

 
 

-      va_list argptr;
-      va_start(argptr, szFormat);
-      wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
-      va_end(argptr);

 
 

-      wxLog::OnLog(wxLOG_Trace, s_szBuf, time(NULL));
+  void wxVLogTrace(const wxString& mask, const wxString& format, va_list argptr)
+  {
+    if ( wxLog::IsEnabled() && wxLog::IsAllowedTraceMask(mask) ) {
+      wxString msg;
+      msg << wxS("(") << mask << wxS(") ") << wxString::FormatV(format, argptr);
+
+      wxLog::OnLog(wxLOG_Trace, msg, time(NULL));

     }
   }
 
     }
   }
 

-  void wxLogTrace(wxTraceMask mask, const wxChar *szFormat, ...)
+#if !wxUSE_UTF8_LOCALE_ONLY
+  void wxDoLogTraceWchar(const wxString& mask, const wxChar *format, ...)

   {
   {

-    wxLog *pLog = wxLog::GetActiveTarget();
+    va_list argptr;
+    va_start(argptr, format);
+    wxVLogTrace(mask, format, argptr);
+    va_end(argptr);
+  }
+#endif // !wxUSE_UTF8_LOCALE_ONLY
+
+#if wxUSE_UNICODE_UTF8
+  void wxDoLogTraceUtf8(const wxString& mask, const char *format, ...)
+  {
+    va_list argptr;
+    va_start(argptr, format);
+    wxVLogTrace(mask, format, argptr);
+    va_end(argptr);
+  }
+#endif // wxUSE_UNICODE_UTF8

 
 

+  void wxVLogTrace(wxTraceMask mask, const wxString& format, va_list argptr)
+  {

     // we check that all of mask bits are set in the current mask, so
     // that wxLogTrace(wxTraceRefCount | wxTraceOle) will only do something
     // if both bits are set.
     // we check that all of mask bits are set in the current mask, so
     // that wxLogTrace(wxTraceRefCount | wxTraceOle) will only do something
     // if both bits are set.

-    if ( pLog != NULL && ((pLog->GetTraceMask() & mask) == mask) ) {
-      wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+    if ( wxLog::IsEnabled() && ((wxLog::GetTraceMask() & mask) == mask) ) {
+      wxLog::OnLog(wxLOG_Trace, wxString::FormatV(format, argptr), time(NULL));
+    }
+  }

 
 

-      va_list argptr;
-      va_start(argptr, szFormat);
-      wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
-      va_end(argptr);
+#if !wxUSE_UTF8_LOCALE_ONLY
+  void wxDoLogTraceWchar(wxTraceMask mask, const wxChar *format, ...)
+  {
+    va_list argptr;
+    va_start(argptr, format);
+    wxVLogTrace(mask, format, argptr);
+    va_end(argptr);
+  }
+#endif // !wxUSE_UTF8_LOCALE_ONLY

 
 

-      wxLog::OnLog(wxLOG_Trace, s_szBuf, time(NULL));
-    }
+#if wxUSE_UNICODE_UTF8
+  void wxDoLogTraceUtf8(wxTraceMask mask, const char *format, ...)
+  {
+    va_list argptr;
+    va_start(argptr, format);
+    wxVLogTrace(mask, format, argptr);
+    va_end(argptr);
+  }
+#endif // wxUSE_UNICODE_UTF8
+
+#ifdef __WATCOMC__
+  // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
+  void wxDoLogTraceWchar(int mask, const wxChar *format, ...)
+  {
+    va_list argptr;
+    va_start(argptr, format);
+    wxVLogTrace(mask, format, argptr);
+    va_end(argptr);
+  }
+
+  void wxDoLogTraceWchar(const char *mask, const wxChar *format, ...)
+  {
+    va_list argptr;
+    va_start(argptr, format);
+    wxVLogTrace(mask, format, argptr);
+    va_end(argptr);

   }
 
   }
 

+  void wxDoLogTraceWchar(const wchar_t *mask, const wxChar *format, ...)
+  {
+    va_list argptr;
+    va_start(argptr, format);
+    wxVLogTrace(mask, format, argptr);
+    va_end(argptr);
+  }
+
+  void wxVLogTrace(int mask, const wxString& format, va_list argptr)
+    { wxVLogTrace((wxTraceMask)mask, format, argptr); }
+  void wxVLogTrace(const char *mask, const wxString& format, va_list argptr)
+    { wxVLogTrace(wxString(mask), format, argptr); }
+  void wxVLogTrace(const wchar_t *mask, const wxString& format, va_list argptr)
+    { wxVLogTrace(wxString(mask), format, argptr); }
+#endif // __WATCOMC__
+

 #else // release
   #define IMPLEMENT_LOG_DEBUG_FUNCTION(level)
 #endif
 #else // release
   #define IMPLEMENT_LOG_DEBUG_FUNCTION(level)
 #endif


@@ -216,73 +405,206 @@ IMPLEMENT_LOG_DEBUG_FUNCTION(Trace)
 // wxLogSysError: one uses the last error code, for other  you must give it
 // explicitly
 
 // wxLogSysError: one uses the last error code, for other  you must give it
 // explicitly
 

-// common part of both wxLogSysError
-void wxLogSysErrorHelper(long lErrCode)
+// return the system error message description
+static inline wxString wxLogSysErrorHelper(long err)

 {
 {

-    wxChar szErrMsg[LOG_BUFFER_SIZE / 2];
-    wxSnprintf(szErrMsg, WXSIZEOF(szErrMsg),
-               _(" (error %ld: %s)"), lErrCode, wxSysErrorMsg(lErrCode));
-    wxStrncat(s_szBuf, szErrMsg, WXSIZEOF(s_szBuf) - wxStrlen(s_szBuf));
+    return wxString::Format(_(" (error %ld: %s)"), err, wxSysErrorMsg(err));
+}

 
 

-    wxLog::OnLog(wxLOG_Error, s_szBuf, time(NULL));
+void WXDLLIMPEXP_BASE wxVLogSysError(const wxString& format, va_list argptr)
+{
+    wxVLogSysError(wxSysErrorCode(), format, argptr);

 }
 
 }
 

-void WXDLLEXPORT wxLogSysError(const wxChar *szFormat, ...)
+#if !wxUSE_UTF8_LOCALE_ONLY
+void WXDLLIMPEXP_BASE wxDoLogSysErrorWchar(const wxChar *format, ...)

 {
 {

-    wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+    va_list argptr;
+    va_start(argptr, format);
+    wxVLogSysError(format, argptr);
+    va_end(argptr);
+}
+#endif // !wxUSE_UTF8_LOCALE_ONLY

 
 

+#if wxUSE_UNICODE_UTF8
+void WXDLLIMPEXP_BASE wxDoLogSysErrorUtf8(const char *format, ...)
+{

     va_list argptr;
     va_list argptr;

-    va_start(argptr, szFormat);
-    wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
+    va_start(argptr, format);
+    wxVLogSysError(format, argptr);

     va_end(argptr);
     va_end(argptr);

+}
+#endif // wxUSE_UNICODE_UTF8

 
 

-    wxLogSysErrorHelper(wxSysErrorCode());
+void WXDLLIMPEXP_BASE wxVLogSysError(long err, const wxString& format, va_list argptr)
+{
+    if ( wxLog::IsEnabled() ) {
+        wxLog::OnLog(wxLOG_Error,
+                     wxString::FormatV(format, argptr) + wxLogSysErrorHelper(err),
+                     time(NULL));
+    }

 }
 
 }
 

-void WXDLLEXPORT wxLogSysError(long lErrCode, const wxChar *szFormat, ...)
+#if !wxUSE_UTF8_LOCALE_ONLY
+void WXDLLIMPEXP_BASE wxDoLogSysErrorWchar(long lErrCode, const wxChar *format, ...)

 {
 {

-    wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+    va_list argptr;
+    va_start(argptr, format);
+    wxVLogSysError(lErrCode, format, argptr);
+    va_end(argptr);
+}
+#endif // !wxUSE_UTF8_LOCALE_ONLY

 
 

+#if wxUSE_UNICODE_UTF8
+void WXDLLIMPEXP_BASE wxDoLogSysErrorUtf8(long lErrCode, const char *format, ...)
+{

     va_list argptr;
     va_list argptr;

-    va_start(argptr, szFormat);
-    wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
+    va_start(argptr, format);
+    wxVLogSysError(lErrCode, format, argptr);

     va_end(argptr);
     va_end(argptr);

+}
+#endif // wxUSE_UNICODE_UTF8

 
 

-    wxLogSysErrorHelper(lErrCode);
+#ifdef __WATCOMC__
+// workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
+void WXDLLIMPEXP_BASE wxDoLogSysErrorWchar(unsigned long lErrCode, const wxChar *format, ...)
+{
+    va_list argptr;
+    va_start(argptr, format);
+    wxVLogSysError(lErrCode, format, argptr);
+    va_end(argptr);

 }
 
 }
 

+void WXDLLIMPEXP_BASE wxVLogSysError(unsigned long err, const wxString& format, va_list argptr)
+    { wxVLogSysError((long)err, format, argptr); }
+#endif // __WATCOMC__
+

 // ----------------------------------------------------------------------------
 // wxLog class implementation
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // wxLog class implementation
 // ----------------------------------------------------------------------------
 

-wxLog::wxLog()
+unsigned wxLog::LogLastRepeatIfNeeded()

 {
 {

-    m_bHasMessages = FALSE;
+    wxCRIT_SECT_LOCKER(lock, GetPreviousLogCS());

 
 

-    // enable verbose messages by default in the debug builds
-#ifdef __WXDEBUG__
-    m_bVerbose = TRUE;
-#else // release
-    m_bVerbose = FALSE;
-#endif // debug/release
+    return LogLastRepeatIfNeededUnlocked();
+}
+
+unsigned wxLog::LogLastRepeatIfNeededUnlocked()
+{
+    const unsigned count = ms_prevCounter;
+
+    if ( ms_prevCounter )
+    {
+        wxString msg;
+#if wxUSE_INTL
+        msg.Printf(wxPLURAL("The previous message repeated once.",
+                            "The previous message repeated %lu times.",
+                            ms_prevCounter),
+                   ms_prevCounter);
+#else
+        msg.Printf(wxS("The previous message was repeated %lu times."),
+                   ms_prevCounter);
+#endif
+        ms_prevCounter = 0;
+        ms_prevString.clear();
+        DoLog(ms_prevLevel, msg, ms_prevTimeStamp);
+    }
+
+    return count;
+}
+
+wxLog::~wxLog()
+{
+    // Flush() must be called before destroying the object as otherwise some
+    // messages could be lost
+    if ( ms_prevCounter )
+    {
+        wxMessageOutputDebug().Printf
+        (
+            wxS("Last repeated message (\"%s\", %lu times) wasn't output"),
+            ms_prevString,
+            ms_prevCounter
+        );
+    }
+}
+
+/* static */
+void wxLog::OnLog(wxLogLevel level, const wxString& szString, time_t t)
+{
+    if ( IsEnabled() && ms_logLevel >= level )
+    {
+        wxLog *pLogger = GetActiveTarget();
+        if ( pLogger )
+        {
+            if ( GetRepetitionCounting() )
+            {
+                wxCRIT_SECT_LOCKER(lock, GetPreviousLogCS());
+
+                if ( szString == ms_prevString )
+                {
+                    ms_prevCounter++;
+
+                    // nothing else to do, in particular, don't log the
+                    // repeated message
+                    return;
+                }
+
+                pLogger->LogLastRepeatIfNeededUnlocked();
+
+                // reset repetition counter for a new message
+                ms_prevString = szString;
+                ms_prevLevel = level;
+                ms_prevTimeStamp = t;
+            }
+
+            pLogger->DoLog(level, szString, t);
+        }
+    }

 }
 
 }
 

+// deprecated function
+#if WXWIN_COMPATIBILITY_2_6
+
+wxChar *wxLog::SetLogBuffer(wxChar * WXUNUSED(buf), size_t WXUNUSED(size))
+{
+    return NULL;
+}
+
+#endif // WXWIN_COMPATIBILITY_2_6
+
+#if WXWIN_COMPATIBILITY_2_8
+
+void wxLog::DoLog(wxLogLevel WXUNUSED(level),
+                  const char *WXUNUSED(szString),
+                  time_t WXUNUSED(t))
+{
+}
+
+void wxLog::DoLog(wxLogLevel WXUNUSED(level),
+                  const wchar_t *WXUNUSED(wzString),
+                  time_t WXUNUSED(t))
+{
+}
+
+#endif // WXWIN_COMPATIBILITY_2_8
+

 wxLog *wxLog::GetActiveTarget()
 {
     if ( ms_bAutoCreate && ms_pLogger == NULL ) {
         // prevent infinite recursion if someone calls wxLogXXX() from
         // wxApp::CreateLogTarget()
 wxLog *wxLog::GetActiveTarget()
 {
     if ( ms_bAutoCreate && ms_pLogger == NULL ) {
         // prevent infinite recursion if someone calls wxLogXXX() from
         // wxApp::CreateLogTarget()

-        static bool s_bInGetActiveTarget = FALSE;
+        static bool s_bInGetActiveTarget = false;

         if ( !s_bInGetActiveTarget ) {
         if ( !s_bInGetActiveTarget ) {

-            s_bInGetActiveTarget = TRUE;
+            s_bInGetActiveTarget = true;

 
             // ask the application to create a log target for us
             if ( wxTheApp != NULL )
 
             // ask the application to create a log target for us
             if ( wxTheApp != NULL )

-                ms_pLogger = wxTheApp->CreateLogTarget();
+                ms_pLogger = wxTheApp->GetTraits()->CreateLogTarget();

             else
                 ms_pLogger = new wxLogStderr;
 
             else
                 ms_pLogger = new wxLogStderr;
 

-            s_bInGetActiveTarget = FALSE;
+            s_bInGetActiveTarget = false;

 
             // do nothing if it fails - what can we do?
         }
 
             // do nothing if it fails - what can we do?
         }


@@ -305,43 +627,90 @@ wxLog *wxLog::SetActiveTarget(wxLog *pLogger)
     return pOldLogger;
 }
 
     return pOldLogger;
 }
 

+void wxLog::DontCreateOnDemand()
+{
+    ms_bAutoCreate = false;
+
+    // this is usually called at the end of the program and we assume that it
+    // is *always* called at the end - so we free memory here to avoid false
+    // memory leak reports from wxWin  memory tracking code
+    ClearTraceMasks();
+}
+
+void wxLog::DoCreateOnDemand()
+{
+    ms_bAutoCreate = true;
+}
+
+void wxLog::AddTraceMask(const wxString& str)
+{
+    wxCRIT_SECT_LOCKER(lock, GetTraceMaskCS());
+
+    ms_aTraceMasks.push_back(str);
+}
+

 void wxLog::RemoveTraceMask(const wxString& str)
 {
 void wxLog::RemoveTraceMask(const wxString& str)
 {

+    wxCRIT_SECT_LOCKER(lock, GetTraceMaskCS());
+

     int index = ms_aTraceMasks.Index(str);
     if ( index != wxNOT_FOUND )
     int index = ms_aTraceMasks.Index(str);
     if ( index != wxNOT_FOUND )

-        ms_aTraceMasks.Remove((size_t)index);
+        ms_aTraceMasks.RemoveAt((size_t)index);
+}
+
+void wxLog::ClearTraceMasks()
+{
+    wxCRIT_SECT_LOCKER(lock, GetTraceMaskCS());
+
+    ms_aTraceMasks.Clear();

 }
 
 void wxLog::TimeStamp(wxString *str)
 {
 }
 
 void wxLog::TimeStamp(wxString *str)
 {

-    if ( ms_timestamp )
+#if wxUSE_DATETIME
+    if ( !ms_timestamp.empty() )

     {
         wxChar buf[256];
         time_t timeNow;
         (void)time(&timeNow);
     {
         wxChar buf[256];
         time_t timeNow;
         (void)time(&timeNow);

-        wxStrftime(buf, WXSIZEOF(buf), ms_timestamp, localtime(&timeNow));
+
+        struct tm tm;
+        wxStrftime(buf, WXSIZEOF(buf),
+                    ms_timestamp, wxLocaltime_r(&timeNow, &tm));

 
         str->Empty();
 
         str->Empty();

-        *str << buf << wxT(": ");
+        *str << buf << wxS(": ");

     }
     }

+#endif // wxUSE_DATETIME

 }
 
 }
 

-void wxLog::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
+void wxLog::DoLog(wxLogLevel level, const wxString& szString, time_t t)

 {
 {

+#if WXWIN_COMPATIBILITY_2_8
+    // DoLog() signature changed since 2.8, so we call the old versions here
+    // so that existing custom log classes still work:
+    DoLog(level, (const char*)szString.mb_str(), t);
+    DoLog(level, (const wchar_t*)szString.wc_str(), t);
+#endif
+

     switch ( level ) {
         case wxLOG_FatalError:
     switch ( level ) {
         case wxLOG_FatalError:

-            DoLogString(wxString(_("Fatal error: ")) + szString, t);
-            DoLogString(_("Program aborted."), t);
+            LogString(_("Fatal error: ") + szString, t);
+            LogString(_("Program aborted."), t);

             Flush();
             Flush();

+#ifdef __WXWINCE__
+            ExitThread(3);
+#else

             abort();
             abort();

+#endif

             break;
 
         case wxLOG_Error:
             break;
 
         case wxLOG_Error:

-            DoLogString(wxString(_("Error: ")) + szString, t);
+            LogString(_("Error: ") + szString, t);

             break;
 
         case wxLOG_Warning:
             break;
 
         case wxLOG_Warning:

-            DoLogString(wxString(_("Warning: ")) + szString, t);
+            LogString(_("Warning: ") + szString, t);

             break;
 
         case wxLOG_Info:
             break;
 
         case wxLOG_Info:


@@ -349,26 +718,100 @@ void wxLog::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
         case wxLOG_Message:
         case wxLOG_Status:
         default:    // log unknown log levels too
         case wxLOG_Message:
         case wxLOG_Status:
         default:    // log unknown log levels too

-                DoLogString(szString, t);
+                LogString(szString, t);

             break;
 
         case wxLOG_Trace:
         case wxLOG_Debug:
 #ifdef __WXDEBUG__
             break;
 
         case wxLOG_Trace:
         case wxLOG_Debug:
 #ifdef __WXDEBUG__

-            DoLogString(szString, t);
-#endif
+            {
+                wxString msg = level == wxLOG_Trace ? wxS("Trace: ")
+                                                    : wxS("Debug: ");
+                msg << szString;
+                LogString(msg, t);
+            }
+#endif // Debug

             break;
     }
 }
 
             break;
     }
 }
 

-void wxLog::DoLogString(const wxChar *WXUNUSED(szString), time_t WXUNUSED(t))
+void wxLog::DoLogString(const wxString& szString, time_t t)

 {
 {

-    wxFAIL_MSG(wxT("DoLogString must be overriden if it's called."));
+#if WXWIN_COMPATIBILITY_2_8
+    // DoLogString() signature changed since 2.8, so we call the old versions
+    // here so that existing custom log classes still work; unfortunately this
+    // also means that we can't have the wxFAIL_MSG below in compat mode
+    DoLogString((const char*)szString.mb_str(), t);
+    DoLogString((const wchar_t*)szString.wc_str(), t);
+#else
+    wxFAIL_MSG(wxS("DoLogString must be overriden if it's called."));
+    wxUnusedVar(szString);
+    wxUnusedVar(t);
+#endif

 }
 
 void wxLog::Flush()
 {
 }
 
 void wxLog::Flush()
 {

-    // do nothing
+    LogLastRepeatIfNeeded();
+}
+
+/*static*/ bool wxLog::IsAllowedTraceMask(const wxString& mask)
+{
+    wxCRIT_SECT_LOCKER(lock, GetTraceMaskCS());
+
+    for ( wxArrayString::iterator it = ms_aTraceMasks.begin(),
+                                  en = ms_aTraceMasks.end();
+         it != en; ++it )
+    {
+        if ( *it == mask)
+            return true;
+    }
+
+    return false;
+}
+
+// ----------------------------------------------------------------------------
+// wxLogBuffer implementation
+// ----------------------------------------------------------------------------
+
+void wxLogBuffer::Flush()
+{
+    if ( !m_str.empty() )
+    {
+        wxMessageOutputBest out;
+        out.Printf(wxS("%s"), m_str.c_str());
+        m_str.clear();
+    }
+}
+
+void wxLogBuffer::DoLog(wxLogLevel level, const wxString& szString, time_t t)
+{
+    switch ( level )
+    {
+        case wxLOG_Trace:
+        case wxLOG_Debug:
+#ifdef __WXDEBUG__
+            // don't put debug messages in the buffer, we don't want to show
+            // them to the user in a msg box, log them immediately
+            {
+                wxString str;
+                TimeStamp(&str);
+                str += szString;
+
+                wxMessageOutputDebug dbgout;
+                dbgout.Printf(wxS("%s\n"), str.c_str());
+            }
+#endif // __WXDEBUG__
+            break;
+
+        default:
+            wxLog::DoLog(level, szString, t);
+    }
+}
+
+void wxLogBuffer::DoLogString(const wxString& szString, time_t WXUNUSED(t))
+{
+    m_str << szString << wxS("\n");

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -383,21 +826,29 @@ wxLogStderr::wxLogStderr(FILE *fp)
         m_fp = fp;
 }
 
         m_fp = fp;
 }
 

-void wxLogStderr::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
+void wxLogStderr::DoLogString(const wxString& szString, time_t WXUNUSED(t))

 {
     wxString str;
     TimeStamp(&str);
     str << szString;
 
 {
     wxString str;
     TimeStamp(&str);
     str << szString;
 

-    fputs(str.mb_str(), m_fp);
-    fputc(_T('\n'), m_fp);
+    wxFputs(str, m_fp);
+    wxFputc(wxS('\n'), m_fp);

     fflush(m_fp);
 
     fflush(m_fp);
 

-    // under Windows, programs usually don't have stderr at all, so show the
-    // messages also under debugger - unless it's a console program
-#if defined(__WXMSW__) && wxUSE_GUI
-    OutputDebugString(str + wxT("\r\n"));
-#endif // MSW
+    // under GUI systems such as Windows or Mac, programs usually don't have
+    // stderr at all, so show the messages also somewhere else, typically in
+    // the debugger window so that they go at least somewhere instead of being
+    // simply lost
+    if ( m_fp == stderr )
+    {
+        wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
+        if ( traits && !traits->HasStderr() )
+        {
+            wxMessageOutputDebug dbgout;
+            dbgout.Printf(wxS("%s\n"), str.c_str());
+        }
+    }

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -405,20 +856,105 @@ void wxLogStderr::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
 // ----------------------------------------------------------------------------
 
 #if wxUSE_STD_IOSTREAM
 // ----------------------------------------------------------------------------
 
 #if wxUSE_STD_IOSTREAM

-wxLogStream::wxLogStream(ostream *ostr)
+#include "wx/ioswrap.h"
+wxLogStream::wxLogStream(wxSTD ostream *ostr)

 {
     if ( ostr == NULL )
 {
     if ( ostr == NULL )

-        m_ostr = &cerr;
+        m_ostr = &wxSTD cerr;

     else
         m_ostr = ostr;
 }
 
     else
         m_ostr = ostr;
 }
 

-void wxLogStream::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
+void wxLogStream::DoLogString(const wxString& szString, time_t WXUNUSED(t))

 {
 {

-    (*m_ostr) << wxConvertWX2MB(szString) << endl;
+    wxString stamp;
+    TimeStamp(&stamp);
+    (*m_ostr) << stamp << szString << wxSTD endl;

 }
 #endif // wxUSE_STD_IOSTREAM
 
 }
 #endif // wxUSE_STD_IOSTREAM
 

+// ----------------------------------------------------------------------------
+// wxLogChain
+// ----------------------------------------------------------------------------
+
+wxLogChain::wxLogChain(wxLog *logger)
+{
+    m_bPassMessages = true;
+
+    m_logNew = logger;
+    m_logOld = wxLog::SetActiveTarget(this);
+}
+
+wxLogChain::~wxLogChain()
+{
+    delete m_logOld;
+
+    if ( m_logNew != this )
+        delete m_logNew;
+}
+
+void wxLogChain::SetLog(wxLog *logger)
+{
+    if ( m_logNew != this )
+        delete m_logNew;
+
+    m_logNew = logger;
+}
+
+void wxLogChain::Flush()
+{
+    if ( m_logOld )
+        m_logOld->Flush();
+
+    // be careful to avoid infinite recursion
+    if ( m_logNew && m_logNew != this )
+        m_logNew->Flush();
+}
+
+void wxLogChain::DoLog(wxLogLevel level, const wxString& szString, time_t t)
+{
+    // let the previous logger show it
+    if ( m_logOld && IsPassingMessages() )
+    {
+        // bogus cast just to access protected DoLog
+        ((wxLogChain *)m_logOld)->DoLog(level, szString, t);
+    }
+
+    if ( m_logNew && m_logNew != this )
+    {
+        // as above...
+        ((wxLogChain *)m_logNew)->DoLog(level, szString, t);
+    }
+}
+
+#ifdef __VISUALC__
+    // "'this' : used in base member initializer list" - so what?
+    #pragma warning(disable:4355)
+#endif // VC++
+
+// ----------------------------------------------------------------------------
+// wxLogInterposer
+// ----------------------------------------------------------------------------
+
+wxLogInterposer::wxLogInterposer()
+                : wxLogChain(this)
+{
+}
+
+// ----------------------------------------------------------------------------
+// wxLogInterposerTemp
+// ----------------------------------------------------------------------------
+
+wxLogInterposerTemp::wxLogInterposerTemp()
+                : wxLogChain(this)
+{
+    DetachOldLog();
+}
+
+#ifdef __VISUALC__
+    #pragma warning(default:4355)
+#endif // VC++
+

 // ============================================================================
 // Global functions/variables
 // ============================================================================
 // ============================================================================
 // Global functions/variables
 // ============================================================================


@@ -427,11 +963,22 @@ void wxLogStream::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
 // static variables
 // ----------------------------------------------------------------------------
 
 // static variables
 // ----------------------------------------------------------------------------
 

+bool            wxLog::ms_bRepetCounting = false;
+wxString        wxLog::ms_prevString;
+unsigned int    wxLog::ms_prevCounter = 0;
+time_t          wxLog::ms_prevTimeStamp= 0;
+wxLogLevel      wxLog::ms_prevLevel;
+

 wxLog          *wxLog::ms_pLogger      = (wxLog *)NULL;
 wxLog          *wxLog::ms_pLogger      = (wxLog *)NULL;

-bool            wxLog::ms_doLog        = TRUE;
-bool            wxLog::ms_bAutoCreate  = TRUE;
+bool            wxLog::ms_doLog        = true;
+bool            wxLog::ms_bAutoCreate  = true;
+bool            wxLog::ms_bVerbose     = false;

 
 

-const wxChar   *wxLog::ms_timestamp    = wxT("%X");  // time only, no date
+wxLogLevel      wxLog::ms_logLevel     = wxLOG_Max;  // log everything by default
+
+size_t          wxLog::ms_suspendCount = 0;
+
+wxString        wxLog::ms_timestamp(wxS("%X"));  // time only, no date

 
 wxTraceMask     wxLog::ms_ulTraceMask  = (wxTraceMask)0;
 wxArrayString   wxLog::ms_aTraceMasks;
 
 wxTraceMask     wxLog::ms_ulTraceMask  = (wxTraceMask)0;
 wxArrayString   wxLog::ms_aTraceMasks;


@@ -480,13 +1027,8 @@ static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz)
 // get error code from syste
 unsigned long wxSysErrorCode()
 {
 // get error code from syste
 unsigned long wxSysErrorCode()
 {

-#ifdef  __WXMSW__
-#ifdef  __WIN32__
+#if defined(__WXMSW__) && !defined(__WXMICROWIN__)

     return ::GetLastError();
     return ::GetLastError();

-#else   //WIN16
-    // TODO what to do on Windows 3.1?
-    return 0;
-#endif  //WIN16/32

 #else   //Unix
     return errno;
 #endif  //Win/Unix
 #else   //Unix
     return errno;
 #endif  //Win/Unix


@@ -498,141 +1040,65 @@ const wxChar *wxSysErrorMsg(unsigned long nErrCode)
     if ( nErrCode == 0 )
         nErrCode = wxSysErrorCode();
 
     if ( nErrCode == 0 )
         nErrCode = wxSysErrorCode();
 

-#ifdef  __WXMSW__
-#ifdef  __WIN32__
-    static wxChar s_szBuf[LOG_BUFFER_SIZE / 2];
+#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
+    static wxChar s_szBuf[1024];

 
     // get error message from system
     LPVOID lpMsgBuf;
 
     // get error message from system
     LPVOID lpMsgBuf;

-    FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
-            NULL, nErrCode,
+    if ( ::FormatMessage
+         (
+            FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+            NULL,
+            nErrCode,

             MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
             (LPTSTR)&lpMsgBuf,
             MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
             (LPTSTR)&lpMsgBuf,

-            0, NULL);
-
-    // copy it to our buffer and free memory
-    wxStrncpy(s_szBuf, (const wxChar *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1);
-    s_szBuf[WXSIZEOF(s_szBuf) - 1] = wxT('\0');
-    LocalFree(lpMsgBuf);
-
-    // returned string is capitalized and ended with '\r\n' - bad
-    s_szBuf[0] = (wxChar)wxTolower(s_szBuf[0]);
-    size_t len = wxStrlen(s_szBuf);
-    if ( len > 0 ) {
-        // truncate string
-        if ( s_szBuf[len - 2] == wxT('\r') )
-            s_szBuf[len - 2] = wxT('\0');
-    }
-
-    return s_szBuf;
-#else   //Win16
-    // TODO
-    return NULL;
-#endif // Win16/32
-#else   // Unix
-#if wxUSE_UNICODE
-    static wxChar s_szBuf[LOG_BUFFER_SIZE / 2];
-    wxConvCurrent->MB2WC(s_szBuf, strerror(nErrCode), WXSIZEOF(s_szBuf) -1);
-    return s_szBuf;
-#else
-    return strerror(nErrCode);
-#endif
-#endif  // Win/Unix
-}
-
-// ----------------------------------------------------------------------------
-// debug helper
-// ----------------------------------------------------------------------------
-
-#ifdef  __WXDEBUG__
-
-// break into the debugger
-void Trap()
-{
-#ifdef __WXMSW__
-    DebugBreak();
-#elif defined(__WXMAC__)
-#if __powerc
-    Debugger();
-#else
-    SysBreak();
-#endif
-#elif defined(__UNIX__)
-    raise(SIGTRAP);
-#else
-    // TODO
-#endif // Win/Unix
-}
-
-// this function is called when an assert fails
-void wxOnAssert(const wxChar *szFile, int nLine, const wxChar *szMsg)
-{
-    // this variable can be set to true to suppress "assert failure" messages
-    static bool s_bNoAsserts = FALSE;
-    static bool s_bInAssert = FALSE;        // FIXME MT-unsafe
-
-    if ( s_bInAssert ) {
-        // He-e-e-e-elp!! we're trapped in endless loop
-        Trap();
-
-        s_bInAssert = FALSE;
-
-        return;
-    }
-
-    s_bInAssert = TRUE;
-
-    wxChar szBuf[LOG_BUFFER_SIZE];
-
-    // make life easier for people using VC++ IDE: clicking on the message
-    // will take us immediately to the place of the failed assert
-    wxSnprintf(szBuf, WXSIZEOF(szBuf),
-#ifdef __VISUALC__
-               wxT("%s(%d): assert failed"),
-#else  // !VC++
-    // make the error message more clear for all the others
-               wxT("Assert failed in file %s at line %d"),
-#endif // VC/!VC
-               szFile, nLine);
-
-    if ( szMsg != NULL ) {
-        wxStrcat(szBuf, wxT(": "));
-        wxStrcat(szBuf, szMsg);
-    }
-    else {
-        wxStrcat(szBuf, wxT("."));
+            0,
+            NULL
+         ) == 0 )
+    {
+        // if this happens, something is seriously wrong, so don't use _() here
+        // for safety
+        wxSprintf(s_szBuf, wxS("unknown error %lx"), nErrCode);
+        return s_szBuf;

     }
 
     }
 

-    if ( !s_bNoAsserts ) {
-        // send it to the normal log destination
-        wxLogDebug(szBuf);
-
-#if wxUSE_GUI
-        // this message is intentionally not translated - it is for
-        // developpers only
-        wxStrcat(szBuf, wxT("\nDo you want to stop the program?"
-                "\nYou can also choose [Cancel] to suppress "
-                "further warnings."));

 
 

-        switch ( wxMessageBox(szBuf, _("Debug"),
-                    wxYES_NO | wxCANCEL | wxICON_STOP ) ) {
-            case wxYES:
-                Trap();
-                break;
-
-            case wxCANCEL:
-                s_bNoAsserts = TRUE;
-                break;
-
-                //case wxNO: nothing to do
+    // copy it to our buffer and free memory
+    // Crashes on SmartPhone (FIXME)
+#if !defined(__SMARTPHONE__) /* of WinCE */
+    if( lpMsgBuf != 0 )
+    {
+        wxStrncpy(s_szBuf, (const wxChar *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1);
+        s_szBuf[WXSIZEOF(s_szBuf) - 1] = wxS('\0');
+
+        LocalFree(lpMsgBuf);
+
+        // returned string is capitalized and ended with '\r\n' - bad
+        s_szBuf[0] = (wxChar)wxTolower(s_szBuf[0]);
+        size_t len = wxStrlen(s_szBuf);
+        if ( len > 0 ) {
+            // truncate string
+            if ( s_szBuf[len - 2] == wxS('\r') )
+                s_szBuf[len - 2] = wxS('\0');

         }
         }

-#else // !GUI
-        Trap();
-#endif // GUI/!GUI
+    }
+    else
+#endif // !__SMARTPHONE__
+    {
+        s_szBuf[0] = wxS('\0');

     }
 
     }
 

-    s_bInAssert = FALSE;
+    return s_szBuf;
+#else // !__WXMSW__
+    #if wxUSE_UNICODE
+        static wchar_t s_wzBuf[1024];
+        wxConvCurrent->MB2WC(s_wzBuf, strerror((int)nErrCode),
+                             WXSIZEOF(s_wzBuf) - 1);
+        return s_wzBuf;
+    #else
+        return strerror((int)nErrCode);
+    #endif
+#endif  // __WXMSW__/!__WXMSW__

 }
 
 }
 

-#endif  //WXDEBUG
-
+#endif // wxUSE_LOG