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// ==============================================================
// This file is part of Glest Shared Library (www.glest.org)
//
// Copyright (C) 2001-2008 Martio Figueroa
//
// You can redistribute this code and/or modify it under
// the terms of the GNU General Public License as published
// by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version
// ==============================================================
#ifndef _LEAKDUMPER_H_
#define _LEAKDUMPER_H_
//#define SL_LEAK_DUMP
//SL_LEAK_DUMP controls if leak dumping is enabled or not
#ifdef SL_LEAK_DUMP
#include <cstdlib>
#include <cstdio>
//including this header in any file of a project will cause all
//leaks to be dumped into leak_dump.txt, but only allocations that
//ocurred in a file where this header is included will have
//file and line number
struct AllocInfo{
int line;
const char *file;
size_t bytes;
void *ptr;
bool free;
bool array;
AllocInfo();
AllocInfo(void* ptr, const char* file, int line, size_t bytes, bool array);
};
// =====================================================
// class AllocRegistry
// =====================================================
class AllocRegistry{
private:
static const unsigned maxAllocs= 40000;
private:
AllocRegistry();
private:
AllocInfo allocs[maxAllocs]; //array to store allocation info
int allocCount; //allocations
size_t allocBytes; //bytes allocated
int nonMonitoredCount;
size_t nonMonitoredBytes;
public:
~AllocRegistry();
static AllocRegistry &getInstance();
void allocate(AllocInfo info);
void deallocate(void* ptr, bool array);
void reset();
void dump(const char *path);
};
//if an allocation ocurrs in a file where "leaks_dumper.h" is not included
//this operator new is called and file and line will be unknown
inline void * operator new (size_t bytes){
void *ptr= malloc(bytes);
AllocRegistry::getInstance().allocate(AllocInfo(ptr, "unknown", 0, bytes, false));
return ptr;
}
inline void operator delete(void *ptr){
AllocRegistry::getInstance().deallocate(ptr, false);
free(ptr);
}
inline void * operator new[](size_t bytes){
void *ptr= malloc(bytes);
AllocRegistry::getInstance().allocate(AllocInfo(ptr, "unknown", 0, bytes, true));
return ptr;
}
inline void operator delete [](void *ptr){
AllocRegistry::getInstance().deallocate(ptr, true);
free(ptr);
}
//if an allocation ocurrs in a file where "leaks_dumper.h" is included
//this operator new is called and file and line will be known
inline void * operator new (size_t bytes, char* file, int line){
void *ptr= malloc(bytes);
AllocRegistry::getInstance().allocate(AllocInfo(ptr, file, line, bytes, false));
return ptr;
}
inline void operator delete(void *ptr, char* file, int line){
AllocRegistry::getInstance().deallocate(ptr, false);
free(ptr);
}
inline void * operator new[](size_t bytes, char* file, int line){
void *ptr= malloc(bytes);
AllocRegistry::getInstance().allocate(AllocInfo(ptr, file, line, bytes, true));
return ptr;
}
inline void operator delete [](void *ptr, char* file, int line){
AllocRegistry::getInstance().deallocate(ptr, true);
free(ptr);
}
#define new new(__FILE__, __LINE__)
#endif
#endif
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