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/* Emacs style mode select -*- C++ -*-
*-----------------------------------------------------------------------------
*
*
* PrBoom a Doom port merged with LxDoom and LSDLDoom
* based on BOOM, a modified and improved DOOM engine
* Copyright (C) 1999 by
* id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
* Copyright (C) 1999-2000 by
* Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
*
* This program 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 2
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* DESCRIPTION:
* Zone Memory Allocation, perhaps NeXT ObjectiveC inspired.
* Remark: this was the only stuff that, according
* to John Carmack, might have been useful for
* Quake.
*
* Rewritten by Lee Killough, though, since it was not efficient enough.
*
*---------------------------------------------------------------------*/
#ifndef __Z_ZONE__
#define __Z_ZONE__
#ifndef __GNUC__
#define __attribute__(x)
#endif
// Include system definitions so that prototypes become
// active before macro replacements below are in effect.
#include "plugin.h"
// ZONE MEMORY
// PU - purge tags.
enum {PU_FREE, PU_STATIC, PU_SOUND, PU_MUSIC, PU_LEVEL, PU_LEVSPEC, PU_CACHE,
/* Must always be last -- killough */ PU_MAX};
#define PU_PURGELEVEL PU_CACHE /* First purgable tag's level */
#ifdef INSTRUMENTED
#define DA(x,y) ,x,y
#define DAC(x,y) x,y
#else
#define DA(x,y)
#define DAC(x,y) void
#endif
void *(Z_Malloc)(size_t size, int tag, void **ptr DA(const char *, int));
void (Z_Free)(void *ptr DA(const char *, int));
void (Z_FreeTags)(int lowtag, int hightag DA(const char *, int));
void (Z_ChangeTag)(void *ptr, int tag DA(const char *, int));
void (Z_Init)(void);
void Z_Close(void);
void *(Z_Calloc)(size_t n, size_t n2, int tag, void **user DA(const char *, int));
void *(Z_Realloc)(void *p, size_t n, int tag, void **user DA(const char *, int));
char *(Z_Strdup)(const char *s, int tag, void **user DA(const char *, int));
void (Z_CheckHeap)(DAC(const char *,int)); // killough 3/22/98: add file/line info
void Z_DumpHistory(char *);
#ifdef INSTRUMENTED
/* cph - save space if not debugging, don't require file
* and line to memory calls */
#define Z_Free(a) (Z_Free) (a, __FILE__,__LINE__)
#define Z_FreeTags(a,b) (Z_FreeTags) (a,b, __FILE__,__LINE__)
#define Z_ChangeTag(a,b) (Z_ChangeTag)(a,b, __FILE__,__LINE__)
#define Z_Malloc(a,b,c) (Z_Malloc) (a,b,c, __FILE__,__LINE__)
#define Z_Strdup(a,b,c) (Z_Strdup) (a,b,c, __FILE__,__LINE__)
#define Z_Calloc(a,b,c,d) (Z_Calloc) (a,b,c,d,__FILE__,__LINE__)
#define Z_Realloc(a,b,c,d) (Z_Realloc) (a,b,c,d,__FILE__,__LINE__)
#define Z_CheckHeap() (Z_CheckHeap)(__FILE__,__LINE__)
#endif
/* cphipps 2001/11/18 -
* If we're using memory mapped file access to WADs, we won't need to maintain
* our own heap. So we *could* let "normal" malloc users use the libc malloc
* directly, for efficiency. Except we do need a wrapper to handle out of memory
* errors... damn, ok, we'll leave it for now.
*/
#undef malloc
#undef free
#undef realloc
#undef calloc
#undef strdup
#define malloc(n) Z_Malloc(n,PU_STATIC,0)
#define free(p) Z_Free(p)
#define realloc(p,n) Z_Realloc(p,n,PU_STATIC,0)
#define calloc(n1,n2) Z_Calloc(n1,n2,PU_STATIC,0)
#undef strdup
char *strdup(const char *s);
#define strdup(s) Z_Strdup(s,PU_STATIC,0)
void Z_ZoneHistory(char *);
extern size_t zone_size;
#endif
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