don't compare invalid iterators/node pointers

[wxWidgets.git] / src / mgl / utils.cpp

diff --git a/src/mgl/utils.cpp b/src/mgl/utils.cpp
index 3f98e977ee797f49e4538e724f61f8ec07db0f1e..fd2e5c63c73e0c0417e432908cffb3bd905a6c1e 100644 (file)
--- a/src/mgl/utils.cpp
+++ b/src/mgl/utils.cpp
@@ -4,7 +4,7 @@
 // Author:      Vaclav Slavik
 // Id:          $Id$
 // Copyright:   (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
-// Licence:     wxWidgets licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // For compilers that support precompilation, includes "wx.h".
@@ -44,124 +44,6 @@ void wxBell()
     // FIXME_MGL
 }
 
-
-#ifdef __DOS__
-// VS: this should be in utilsdos.cpp, but since there will hardly ever
-//     be a non-MGL MS-DOS port...
-
-void wxSleep(int nSecs)
-{
-    wxUsleep(1000 * nSecs);
-}
-
-void wxUsleep(unsigned long milliseconds)
-{
-    PM_sleep(milliseconds);
-}
-
-
-bool wxGetEnv(const wxString& var, wxString *value)
-{
-    // wxGetenv is defined as getenv()
-    wxChar *p = wxGetenv(var);
-    if ( !p )
-        return FALSE;
-
-    if ( value )
-        *value = p;
-
-    return TRUE;
-}
-
-bool wxSetEnv(const wxString& variable, const wxChar *value)
-{
-    wxString s = variable;
-    if ( value )
-        s << _T('=') << value;
-
-    // transform to ANSI
-    const char *p = s.mb_str();
-
-    // the string will be free()d by libc
-    char *buf = (char *)malloc(strlen(p) + 1);
-    strcpy(buf, p);
-
-    return putenv(buf) == 0;
-}
-
-const wxChar* wxGetHomeDir(wxString *home)
-{
-    *home = wxT(".");
-    return home->c_str();
-}
-
-const wxChar* wxGetUserHomeDir(wxString *home)
-{
-    *home = wxT(".");
-    return home->c_str();
-}
-
-#if wxUSE_UNICODE
-const wxMB2WXbuf wxGetUserHome(const wxString &user)
-#else // just for binary compatibility -- there is no 'const' here
-wxChar *wxGetUserHome(const wxString &user)
-#endif
-{
-    return wxT(".");
-}
-
-void wxFatalError(const wxString &msg, const wxString &title)
-{
-    if (!title.IsNull()) 
-        wxFprintf( stderr, wxT("%s "), WXSTRINGCAST(title));
-    PM_fatalError(msg.c_str());
-}
-
-bool wxGetUserId(wxChar *WXUNUSED(buf), int WXUNUSED(sz))
-{
-    wxFAIL_MSG( wxT("wxGetUserId not implemented under MS-DOS!") );
-    return FALSE;
-}
-
-bool wxGetUserName(wxChar *WXUNUSED(buf), int WXUNUSED(sz))
-{
-    wxFAIL_MSG( wxT("wxGetUserName not implemented under MS-DOS!") );
-    return FALSE;
-}
-
-bool wxGetHostName(wxChar *WXUNUSED(buf), int WXUNUSED(sz))
-{
-    wxFAIL_MSG( wxT("wxGetHostName not implemented under MS-DOS!") );
-    return FALSE;
-}
-
-bool wxGetFullHostName(wxChar *WXUNUSED(buf), int WXUNUSED(sz))
-{
-    wxFAIL_MSG( wxT("wxGetFullHostName not implemented under MS-DOS!") );
-    return FALSE;
-}
-
-int wxKill(long WXUNUSED(pid), wxSignal WXUNUSED(sig), wxKillError *WXUNUSED(rc))
-{
-    wxFAIL_MSG( wxT("wxKill not implemented under MS-DOS!") );
-    return 0;
-}
-
-long wxExecute(const wxString& WXUNUSED(command), int WXUNUSED(flags), wxProcess *WXUNUSED(process))
-{
-    wxFAIL_MSG( wxT("wxExecute not implemented under MS-DOS!") );
-    return 0;
-}
-
-long wxExecute(char **WXUNUSED(argv), int WXUNUSED(flags), wxProcess *WXUNUSED(process))
-{
-    wxFAIL_MSG( wxT("wxExecute not implemented under MS-DOS!") );
-    return 0;
-}
-
-
-#endif
-
 // ----------------------------------------------------------------------------
 // display characterstics
 // ----------------------------------------------------------------------------
@@ -178,11 +60,11 @@ void wxDisplaySizeMM(int *width, int *height)
     wxASSERT_MSG( g_displayDC, wxT("You must call wxApp::SetDisplayMode before using this function") );
 
     int xDPI, yDPI;
-    MGL_getDotsPerInch(&xDPI, &yDPI);    
-    
-    if ( width ) 
+    MGL_getDotsPerInch(&xDPI, &yDPI);
+
+    if ( width )
         *width = (int)((g_displayDC->sizex()+1) * 25.4 / xDPI);
-    if ( height ) 
+    if ( height )
         *height = (int)((g_displayDC->sizey()+1) * 25.4 / yDPI);
 }
 
@@ -197,7 +79,7 @@ void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 bool wxColourDisplay()
 {
     wxASSERT_MSG( g_displayDC, wxT("You must call wxApp::SetDisplayMode before using this function") );
-    
+
     return (wxDisplayDepth() > 1);
 }
 
@@ -234,6 +116,7 @@ wxToolkitInfo& wxGUIAppTraits::GetToolkitInfo()
 
 #endif
 
+#if 0
 wxToolkitInfo& wxConsoleAppTraits::GetToolkitInfo()
 {
     static wxToolkitInfo info;
@@ -255,6 +138,7 @@ wxToolkitInfo& wxConsoleAppTraits::GetToolkitInfo()
 #endif
     return info;
 }
+#endif
 
 void wxGetMousePosition(int* x, int* y)
 {