Code cleanup, started to add definitions for MinGW/VC++

git-svn-id: https://svn.code.sf.net/p/speed-dreams/code/trunk@5834 30fe4595-0a0c-4342-8851-515496e4dcbd

Former-commit-id: 2632e23089655b7d321d40034a0aa3827318d431
Former-commit-id: 8e0999dd31d96a3e4d99d8d1cdafa8d66f922745

src/libs/tgf/memmanager.cpp

@@ -26,10 +26,14 @@
 #include "memmanager.h"
 #ifdef __DEBUG_MEMORYMANAGER__
 
+#if defined(__MINGW32__)
+
+#else
 #include <stdio.h>
 #include <intrin.h>
 
 #pragma intrinsic(_ReturnAddress)
+#endif
 
 //
 // Configuration (depending on the compiler)
@@ -49,10 +53,10 @@ static unsigned int GfMM_Counter = 0;	// Counter of memory blocks
 //
 void* operator new (size_t size)
 {
-#if defined(WIN32) // Has to be replaced by a definition of VC++ versus gcc
-	void* RetAddr = _ReturnAddress(); // VC++
+#if defined(__MINGW32__)
+	void* RetAddr = __builtin_return_address (0); // gcc
 #else
-	void* RetAddr = __builtin_return_address (0);  // gcc
+	void* RetAddr = _ReturnAddress(); // VC++
 #endif
 	return GfMemoryManagerAlloc(size, GF_MM_ALLOCTYPE_NEW,RetAddr);
 }
@@ -63,7 +67,15 @@ void* operator new (size_t size)
 //
 void operator delete (void *b)
 {
-	GfMemoryManagerFree(b, GF_MM_ALLOCTYPE_NEW);
+	if (GfMemoryManagerRunning())
+	{
+		if (GfMM->DoNotFree)
+			GfMemoryManagerAccept(b, GF_MM_ALLOCTYPE_NEW);
+		else
+			GfMemoryManagerFree(b, GF_MM_ALLOCTYPE_NEW);
+	}
+	else
+		GfMemoryManagerFree(b, GF_MM_ALLOCTYPE_NEW);
 }
 //
 
@@ -74,17 +86,25 @@ void operator delete (void *b)
 
 void * _tgf_win_malloc(size_t size)
 {
-#if defined(WIN32) // Has to be replaced by a definition of VC++ versus gcc
-	void* RetAddr = _ReturnAddress(); // VC++
-#else
+#if defined(__MINGW32__)
 	void* RetAddr = __builtin_return_address (0); // gcc
+#else
+	void* RetAddr = _ReturnAddress(); // VC++
 #endif
 	return GfMemoryManagerAlloc(size, GF_MM_ALLOCTYPE_MALLOC,RetAddr);
 }
 
 void _tgf_win_free(void * b)
 {
-	GfMemoryManagerFree(b, GF_MM_ALLOCTYPE_MALLOC);
+	if (GfMemoryManagerRunning())
+	{
+		if (GfMM->DoNotFree)
+			GfMemoryManagerAccept(b, GF_MM_ALLOCTYPE_MALLOC);
+		else
+			GfMemoryManagerFree(b, GF_MM_ALLOCTYPE_MALLOC);
+	}
+	else
+		GfMemoryManagerFree(b, GF_MM_ALLOCTYPE_MALLOC);
 }
 
 void _tgf_win_accept(void * b)
@@ -152,6 +172,7 @@ tMemoryManager* GfMemoryManager()
 	MemoryManager->Size = sizeof(tMemoryManager);	
 	MemoryManager->State = GF_MM_STATE_NULL;     
 	MemoryManager->AddedSpace = 0;
+	MemoryManager->DoNotFree = false;
 
 	MemoryManager->RootOfList.Mark = MM_MARKER;
 	MemoryManager->RootOfList.Type = GF_MM_ALLOCTYPE_MEMMAN;
@@ -471,6 +492,24 @@ bool GfMemoryManagerRunning()
 	else
 		return false;
 }
+//
+
+//
+// Set DoNotFree flag for debugging
+//
+void GfMemoryManagerDoAccept()
+{
+	GfMM->DoNotFree = true;
+}
+//
+
+//
+// Set DoNotFree flag for debugging
+//
+void GfMemoryManagerDoFree()
+{
+	GfMM->DoNotFree = false;
+}
 
 #endif
 // ... WDB test

src/libs/tgf/memmanager.h

@@ -32,6 +32,8 @@ TGF_API bool GfMemoryManagerAllocate();	// Initialize memory manager
 TGF_API void GfMemoryManagerRelease();	// Release memory manager at Shutdown
 TGF_API bool GfMemoryManagerRunning();	// Is the memory manager running?
 TGF_API void GfMemoryManagerSetup(int AddedSpace);
+TGF_API void GfMemoryManagerDoAccept();
+TGF_API void GfMemoryManagerDoFree();
 //
 
 //
@@ -82,6 +84,7 @@ typedef struct
 	size_t Size;						// Size of memory manager
 	int State;							// State of memory manager
 	int AddedSpace;						// Number of bytes added to each block
+	bool DoNotFree;						// Do not free the blocks if flag is set
 
 } tMemoryManager;
 //

src/libs/tgf/tgf.h

@@ -216,7 +216,7 @@ TGF_API void GfPoolMove(tMemoryPool* oldPool, tMemoryPool* newPool);
 /*********************************
  * New memory debug tools        *
  *********************************/
-// To enble the hunting for memory leaks uncomment the following line
+// To enable the hunting for memory leaks uncomment the following line
 //#define __DEBUG_MEMORYMANAGER__
 #if (defined(WIN32) && defined(__DEBUG_MEMORYMANAGER__))
 
@@ -225,6 +225,8 @@ TGF_API void GfPoolMove(tMemoryPool* oldPool, tMemoryPool* newPool);
 #define realloc _tgf_win_realloc
 #define free _tgf_win_free
 #define accept _tgf_win_accept
+#define doaccept GfMemoryManagerDoAccept
+#define dofree GfMemoryManagerDoFree
 #ifdef strdup
 #undef strdup
 #endif
@@ -236,6 +238,8 @@ TGF_API void * _tgf_win_realloc(void * memblock, size_t size);
 TGF_API void _tgf_win_free(void * memblock);
 TGF_API void _tgf_win_accept(void * memblock);
 TGF_API char * _tgf_win_strdup(const char * str);
+TGF_API void GfMemoryManagerDoAccept();
+TGF_API void GfMemoryManagerDoFree();
 
 #endif // WIN32
 // </esppat>

src/libs/tgfclient/tgfclient.cpp

@@ -18,56 +18,53 @@
 
 #include "gui.h"
 
+// WDB test ...
+#ifdef __DEBUG_MEMORYMANAGER__
+
 // Avoid memory leaks ...
-int NumberOfScreens = -1;
+int NumberOfScreens = 0;
 tGfuiScreen* OwnerOfScreens[MAXSCREENS];
 
 void RegisterScreens(void* screen)
 {
-	if (++NumberOfScreens < MAXSCREENS)
-		OwnerOfScreens[NumberOfScreens] = (tGfuiScreen*) screen;
+	tGfuiScreen* _screen = (tGfuiScreen*) screen;
+	if (NumberOfScreens < MAXSCREENS)
+		OwnerOfScreens[NumberOfScreens++] = _screen;
 	else
 		GfLogInfo("NumberOfScreens: %d > MAXSCREENS\n", NumberOfScreens);
 }
 
 void FreeScreens()
 {
+	// For debugging purposes:
+	//doaccept(); // Do not free the blocks, just take it out of the list
+
 	for (int I = 0; I <= NumberOfScreens; I++)
 	{
+		// This screen is corrupted!
+		// TODO: Find out why
+		if (I == 2)
+			continue;
+
+		// Get the screen from the owner
 		tGfuiScreen* screen = OwnerOfScreens[I];
 		if (screen) 
 		{
-			tGfuiObject* object = screen->objects;
-			while (object)
-			{
-				tGfuiObject* release = object;
-				object = object->next;
-				if (object == release)
-					object = NULL;
-				if (object == screen->objects)
-					object = NULL;
-				gfuiReleaseObject(release);
-			}
-
-			tGfuiKey* key = screen->userKeys;
-			while (key)
-			{
-				tGfuiKey* relkey = key;
-				key = key->next;
-				if (key == relkey)
-					key = NULL;
-				if (key == screen->userKeys)
-					key = NULL;
-				free(relkey->name);
-				free(relkey->descr);
-				free(relkey);
-			}
-
-			free(screen);
+			GfuiScreenRelease(screen); // Free all resources
 		}
 	}
+
+	// Back to normal mode
+	dofree(); // Free the blocks
+
 }
 // ... Avoid memory leaks
+#else
+void RegisterScreens(void* screen){};
+void FreeScreens(){};
+#endif
+// ... WDB test
+
 
 void GfuiInit(void)
 {

src/main/main.cpp

@@ -75,8 +75,13 @@ main(int argc, char *argv[])
 	// THIS HAS TO BE THE FIRST LINE OF CODE!!!
 	GfMemoryManagerAllocate();
 
+	// Because there are some memory blocks that are allocated too small
+	// we get corrupted the following memory blocks.
+	// To avoid it, we can use an additional size (4 Bytes per block) 
+	// while allocation!
+	
 	// For hunting of corrupted memory blocks comment the following line
-	//GfMemoryManagerSetup(4); // Add 4 bytes per block
+	GfMemoryManagerSetup(4); // Add 4 bytes per block
 
 	#endif
 	// ... WDB test