use wxIsNullDouble instead of comparing m_ration with 0

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

diff --git a/src/common/memory.cpp b/src/common/memory.cpp
index ebb8d27a49408b044f4a99f611463db050fbed6a..e3fd5b0551f0acc40eacec4243544625c09ce85a 100644 (file)
--- a/src/common/memory.cpp
+++ b/src/common/memory.cpp
@@ -9,10 +9,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "memory.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -26,10 +22,6 @@
 
 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-// #pragma implementation
-#endif
-
 #ifndef WX_PRECOMP
 #include "wx/utils.h"
 #include "wx/app.h"
@@ -68,7 +60,7 @@
 
 #include "wx/memory.h"
 
-#if wxUSE_THREADS && defined(__WXDEBUG__) && !defined(__WXMAC__)
+#if wxUSE_THREADS && defined(__WXDEBUG__)
 #define USE_THREADSAFE_MEMORY_ALLOCATION 1
 #else
 #define USE_THREADSAFE_MEMORY_ALLOCATION 0
@@ -117,7 +109,7 @@
 */
 void wxMemStruct::ErrorMsg (const char * mesg)
 {
-  wxLogMessage(wxT("wxWindows memory checking error: %s"), mesg);
+  wxLogMessage(wxT("wxWidgets memory checking error: %s"), mesg);
   PrintNode ();
 }
 
@@ -126,7 +118,7 @@ void wxMemStruct::ErrorMsg (const char * mesg)
 */
 void wxMemStruct::ErrorMsg ()
 {
-  wxLogMessage(wxT("wxWindows over/underwrite memory error:"));
+  wxLogMessage(wxT("wxWidgets over/underwrite memory error:"));
   PrintNode ();
 }
 
@@ -867,13 +859,13 @@ void wxDebugContext::OutputDumpLine(const wxChar *szFormat, ...)
     int count;
     va_list argptr;
     va_start(argptr, szFormat);
-    buf[sizeof(buf)-1] = _T('\0');
+    buf[sizeof(buf)/sizeof(wxChar)-1] = _T('\0');
 
     // keep 3 bytes for a \r\n\0
-    count = wxVsnprintf(buf, sizeof(buf)-3, szFormat, argptr);
+    count = wxVsnprintf(buf, sizeof(buf)/sizeof(wxChar)-3, szFormat, argptr);
 
     if ( count < 0 )
-        count = sizeof(buf)-3;
+        count = sizeof(buf)/sizeof(wxChar)-3;
     buf[count]=_T('\r');
     buf[count+1]=_T('\n');
     buf[count+2]=_T('\0');
@@ -889,16 +881,19 @@ static bool memSectionOk = false;
 class MemoryCriticalSection : public wxCriticalSection
 {
 public:
-       MemoryCriticalSection() {
-               memSectionOk = true;
-       }
+    MemoryCriticalSection() {
+        memSectionOk = true;
+    }
+    ~MemoryCriticalSection() {
+        memSectionOk = false;
+    }
 };
 
 class MemoryCriticalSectionLocker
 {
 public:
     inline MemoryCriticalSectionLocker(wxCriticalSection& critsect)
-       : m_critsect(critsect), m_locked(memSectionOk) { if(m_locked) m_critsect.Enter(); }
+    : m_critsect(critsect), m_locked(memSectionOk) { if(m_locked) m_critsect.Enter(); }
     inline ~MemoryCriticalSectionLocker() { if(m_locked) m_critsect.Leave(); }
 
 private:
@@ -907,22 +902,55 @@ private:
     MemoryCriticalSectionLocker& operator=(const MemoryCriticalSectionLocker&);
 
     wxCriticalSection& m_critsect;
-       bool    m_locked;
+    bool m_locked;
 };
 
-MemoryCriticalSection &GetMemLocker()
+static MemoryCriticalSection memLocker;
+
+#endif
+
+#if !(defined(__WXMSW__) && (defined(WXUSINGDLL) || defined(WXMAKINGDLL_BASE)))
+#ifdef __WXDEBUG__
+#if wxUSE_GLOBAL_MEMORY_OPERATORS
+void * operator new (size_t size, wxChar * fileName, int lineNum)
 {
-    static MemoryCriticalSection memLocker;
-    return memLocker;
+    return wxDebugAlloc(size, fileName, lineNum, false, false);
 }
 
-#endif
+void * operator new (size_t size)
+{
+    return wxDebugAlloc(size, NULL, 0, false);
+}
+
+void operator delete (void * buf)
+{
+    wxDebugFree(buf, false);
+}
+
+#if wxUSE_ARRAY_MEMORY_OPERATORS
+void * operator new[] (size_t size)
+{
+    return wxDebugAlloc(size, NULL, 0, false, true);
+}
+
+void * operator new[] (size_t size, wxChar * fileName, int lineNum)
+{
+    return wxDebugAlloc(size, fileName, lineNum, false, true);
+}
+
+void operator delete[] (void * buf)
+{
+  wxDebugFree(buf, true);
+}
+#endif // wxUSE_ARRAY_MEMORY_OPERATORS
+#endif // !(defined(__WXMSW__) && (defined(WXUSINGDLL) || defined(WXMAKINGDLL_BASE)))
+#endif // wxUSE_GLOBAL_MEMORY_OPERATORS
 
 // TODO: store whether this is a vector or not.
 void * wxDebugAlloc(size_t size, wxChar * fileName, int lineNum, bool isObject, bool WXUNUSED(isVect) )
 {
 #if USE_THREADSAFE_MEMORY_ALLOCATION
-  MemoryCriticalSectionLocker lock(GetMemLocker());
+  MemoryCriticalSectionLocker lock(memLocker);
 #endif
 
   // If not in debugging allocation mode, do the normal thing
@@ -982,7 +1010,7 @@ void * wxDebugAlloc(size_t size, wxChar * fileName, int lineNum, bool isObject,
 void wxDebugFree(void * buf, bool WXUNUSED(isVect) )
 {
 #if USE_THREADSAFE_MEMORY_ALLOCATION
-  MemoryCriticalSectionLocker lock(GetMemLocker());
+  MemoryCriticalSectionLocker lock(memLocker);
 #endif
 
   if (!buf)
@@ -1028,6 +1056,8 @@ void wxDebugFree(void * buf, bool WXUNUSED(isVect) )
     free((char *)st);
 }
 
+#endif // __WXDEBUG__
+
 // Trace: send output to the current debugging stream
 void wxTrace(const wxChar * ...)
 {
@@ -1106,11 +1136,11 @@ void wxTraceLevel(int, const wxChar * ...)
 }
 
 //----------------------------------------------------------------------------
-// Final cleanup after all global objects in all files have been destructed
+// Final cleanup after all global objects in all files have been destroyed
 //----------------------------------------------------------------------------
 
 // Don't set it to 0 by dynamic initialization
-// Some compilers will realy do the asignment later
+// Some compilers will really do the assignment later
 // All global variables are initialized to 0 at the very beginning, and this is just fine.
 int wxDebugContextDumpDelayCounter::sm_count;
 
@@ -1125,7 +1155,7 @@ void wxDebugContextDumpDelayCounter::DoDump()
 }
 
 // Even if there is nothing else, make sure that there is at
-// least one clenup counter object
+// least one cleanup counter object
 static wxDebugContextDumpDelayCounter wxDebugContextDumpDelayCounter_One;
 
 #endif // (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT