Drop ILLEGAL_POINTER sillyness

Change-Id: I19316f0fd04f75d980719676c928c3455e0f07b7

tools/inc/tools/solar.h

@@ -50,12 +50,6 @@ typedef sal_uIntPtr    sal_uLong; /* Replaces type ULONG */
 #define __LOADONCALLAPI
 #endif
 
-#if defined UNX
-#define ILLEGAL_POINTER ((void*)1)
-#else
-#define ILLEGAL_POINTER NULL
-#endif
-
 // solar binary types
 
 /* Solar (portable) Binary (exchange) Type; OSI 6 subset

vcl/unx/generic/app/saldisp.cxx

@@ -343,8 +343,8 @@ void SalDisplay::doDestruct()
 
     if( IsDisplay() )
     {
-        delete mpInputMethod, mpInputMethod = (SalI18N_InputMethod*)ILLEGAL_POINTER;
-        delete mpKbdExtension, mpKbdExtension = (SalI18N_KeyboardExtension*)ILLEGAL_POINTER;
+        delete mpInputMethod, mpInputMethod = NULL;
+        delete mpKbdExtension, mpKbdExtension = NULL;
 
         for( unsigned int i = 0; i < m_aScreens.size(); i++ )
         {
@@ -2687,8 +2687,8 @@ SalColormap::SalColormap( sal_uInt16 nDepth )
 SalColormap::~SalColormap()
 {
 #ifdef DBG_UTIL
-    m_hColormap      = (Colormap)ILLEGAL_POINTER;
-    m_pDisplay       = (SalDisplay*)ILLEGAL_POINTER;
+    m_hColormap      = NULL;
+    m_pDisplay       = NULL;
 #endif
 }
 

vcl/unx/generic/gdi/salvd.cxx

@@ -177,7 +177,7 @@ sal_Bool X11SalVirtualDevice::Init( SalDisplay *pDisplay,
 X11SalVirtualDevice::X11SalVirtualDevice() :
     m_nXScreen( 0 )
 {
-    pDisplay_               = (SalDisplay*)ILLEGAL_POINTER;
+    pDisplay_               = NULL;
     pGraphics_              = NULL;
     hDrawable_              = None;
     nDX_                    = 0;