// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder

#ifndef _MALLOC_H_
#define _MALLOC_H_

#include "../common/cbasetypes.h"

#define ALC_MARK __FILE__, __LINE__, __func__


// default use of the built-in memory manager
#if !defined(NO_MEMMGR) && !defined(USE_MEMMGR)
#if defined(MEMWATCH) || defined(DMALLOC) || defined(GCOLLECT)
// disable built-in memory manager when using another memory library
#define NO_MEMMGR
#else
// use built-in memory manager by default
#define USE_MEMMGR
#endif
#endif


//////////////////////////////////////////////////////////////////////
// Athena's built-in Memory Manager
#ifdef USE_MEMMGR

// Enable memory manager logging by default
#define LOG_MEMMGR

// no logging for minicore
#if defined(MINICORE) && defined(LOG_MEMMGR)
#undef LOG_MEMMGR
#endif

#   define aMalloc(n)       _mmalloc(n,ALC_MARK)
#   define aCalloc(m,n)     _mcalloc(m,n,ALC_MARK)
#   define aRealloc(p,n)    _mrealloc(p,n,ALC_MARK)
#   define aStrdup(p)       _mstrdup(p,ALC_MARK)
#   define aFree(p)         _mfree(p,ALC_MARK)

void *_mmalloc(size_t size, const char *file, int line, const char *func);
void *_mcalloc(size_t num, size_t size, const char *file, int line, const char *func);
void *_mrealloc(void *p, size_t size, const char *file, int line, const char *func);
char *_mstrdup(const char *p, const char *file, int line, const char *func);
void  _mfree(void *p, const char *file, int line, const char *func);

#else

#   define aMalloc(n)       aMalloc_((n),ALC_MARK)
#   define aCalloc(m,n)     aCalloc_((m),(n),ALC_MARK)
#   define aRealloc(p,n)    aRealloc_(p,n,ALC_MARK)
#   define aStrdup(p)       aStrdup_(p,ALC_MARK)
#   define aFree(p)         aFree_(p,ALC_MARK)

void *aMalloc_(size_t size, const char *file, int line, const char *func);
void *aCalloc_(size_t num, size_t size, const char *file, int line, const char *func);
void *aRealloc_(void *p, size_t size, const char *file, int line, const char *func);
char *aStrdup_(const char *p, const char *file, int line, const char *func);
void  aFree_(void *p, const char *file, int line, const char *func);

#endif

/////////////// Buffer Creation /////////////////
// Full credit for this goes to Shinomori [Ajarn]

#ifdef __GNUC__ // GCC has variable length arrays

#define CREATE_BUFFER(name, type, size) type name[size]
#define DELETE_BUFFER(name)

#else // others don't, so we emulate them

#define CREATE_BUFFER(name, type, size) type *name = (type *) aCalloc (size, sizeof(type))
#define DELETE_BUFFER(name) aFree(name)

#endif

////////////// Others //////////////////////////
// should be merged with any of above later
#define CREATE(result, type, number) (result) = (type *) aCalloc ((number), sizeof(type))
#define RECREATE(result, type, number) (result) = (type *) aRealloc ((result), sizeof(type) * (number))

////////////////////////////////////////////////

void malloc_memory_check(void);
bool malloc_verify_ptr(void *ptr);
size_t malloc_usage(void);
void malloc_init(void);
void malloc_final(void);

#endif /* _MALLOC_H_ */