1 /* Emacs style mode select -*- C++ -*-
2 *-----------------------------------------------------------------------------
3 *
4 *
5 * PrBoom: a Doom port merged with LxDoom and LSDLDoom
6 * based on BOOM, a modified and improved DOOM engine
7 * Copyright (C) 1999 by
8 * id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
9 * Copyright (C) 1999-2000 by
10 * Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
11 * Copyright 2005, 2006 by
12 * Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License
16 * as published by the Free Software Foundation; either version 2
17 * of the License, or (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
27 * 02111-1307, USA.
28 *
29 * DESCRIPTION:
30 * Block memory allocator
31 * This is designed to be a fast allocator for small, regularly used block sizes
32 *-----------------------------------------------------------------------------*/
33
34 #ifndef __ZBMALLOC_H__
35 #define __ZBMALLOC_H__
36
37 struct block_memory_alloc_s {
38 void *firstpool;
39 size_t size;
40 size_t perpool;
41 int tag;
42 const char *desc;
43 };
44
45 #define DECLARE_BLOCK_MEMORY_ALLOC_ZONE(name) extern struct block_memory_alloc_s name
46 #define IMPLEMENT_BLOCK_MEMORY_ALLOC_ZONE(name, size, tag, num, desc) \
47 struct block_memory_alloc_s name = { NULL, size, num, tag, desc}
48 #define NULL_BLOCK_MEMORY_ALLOC_ZONE(name) name.firstpool = NULL
49
50 void* Z_BMalloc(struct block_memory_alloc_s *pzone);
51
Z_BCalloc(struct block_memory_alloc_s * pzone)52 static INLINE void* Z_BCalloc(struct block_memory_alloc_s *pzone)
53 { void *p = Z_BMalloc(pzone); memset(p,0,pzone->size); return p; }
54
55 void Z_BFree(struct block_memory_alloc_s *pzone, void* p);
56
57 #endif
58