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/**
* This file is part of Hercules.
* http://herc.ws - http://github.com/HerculesWS/Hercules
*
* Copyright (C) 2012-2020 Hercules Dev Team
* Copyright (C) Athena Dev Teams
*
* Hercules is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef COMMON_MEMMGR_H
#define COMMON_MEMMGR_H
#include "common/hercules.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
//////////////////////////////////////////////////////////////////////
// Enable memory manager logging by default
#define LOG_MEMMGR
# define aMalloc(n) (iMalloc->malloc((n),ALC_MARK))
# define aCalloc(m,n) (iMalloc->calloc((m),(n),ALC_MARK))
# define aRealloc(p,n) (iMalloc->realloc((p),(n),ALC_MARK))
# define aReallocz(p,n) (iMalloc->reallocz((p),(n),ALC_MARK))
# define aStrdup(p) (iMalloc->astrdup((p),ALC_MARK))
# define aStrndup(p,n) (iMalloc->astrndup((p),(n),ALC_MARK))
# define aFree(p) (iMalloc->free((p),ALC_MARK))
/////////////// 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) (void)0
#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 *) aReallocz((result), sizeof(type) * (number)))
////////////////////////////////////////////////
struct malloc_interface {
void (*init) (void);
void (*final) (void);
/* */
void* (*malloc)(size_t size, const char *file, int line, const char *func);
void* (*calloc)(size_t num, size_t size, const char *file, int line, const char *func);
void* (*realloc)(void *p, size_t size, const char *file, int line, const char *func);
void* (*reallocz)(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);
char *(*astrndup)(const char *p, size_t size, const char *file, int line, const char *func);
void (*free)(void *p, const char *file, int line, const char *func);
/* */
void (*memory_check)(void);
bool (*verify_ptr)(void* ptr);
size_t (*usage) (void);
/* */
void (*post_shutdown) (void);
void (*init_messages) (void);
};
#ifdef HERCULES_CORE
void malloc_defaults(void);
void memmgr_report(int extra);
HPShared struct malloc_interface *iMalloc;
#else
#define iMalloc HPMi->memmgr
#endif // HERCULES_CORE
#endif /* COMMON_MEMMGR_H */
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