1 files changed, 52 insertions, 0 deletions

diff --git a/src/z_bmalloc.h b/src/z_bmalloc.h
new file mode 100644
index 0000000..ed30c9f
--- /dev/null
+++ b/src/z_bmalloc.h
@@ -0,0 +1,52 @@
+/* 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
+ *  Copyright 2005, 2006 by
+ *  Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
+ *
+ *  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:
+ *  Block memory allocator
+ *  This is designed to be a fast allocator for small, regularly used block sizes
+ *-----------------------------------------------------------------------------*/
+
+struct block_memory_alloc_s {
+  void  *firstpool;
+  size_t size;
+  size_t perpool;
+  int    tag;
+  const char *desc;
+};
+
+#define DECLARE_BLOCK_MEMORY_ALLOC_ZONE(name) extern struct block_memory_alloc_s name
+#define IMPLEMENT_BLOCK_MEMORY_ALLOC_ZONE(name, size, tag, num, desc) \
+struct block_memory_alloc_s name = { NULL, size, num, tag, desc}
+#define NULL_BLOCK_MEMORY_ALLOC_ZONE(name) name.firstpool = NULL
+
+void* Z_BMalloc(struct block_memory_alloc_s *pzone);
+
+inline static void* Z_BCalloc(struct block_memory_alloc_s *pzone)
+{ void *p = Z_BMalloc(pzone); memset(p,0,pzone->size); return p; }
+
+void Z_BFree(struct block_memory_alloc_s *pzone, void* p);