#ifndef ZONE_H
#define ZONE_H
+
+// LordHavoc: this is pointless with a good C library
+//#define MEMCLUMPING
+
#define POOLNAMESIZE 128
+#if MEMCLUMPING
// give malloc padding so we can't waste most of a page at the end
#define MEMCLUMPSIZE (65536 - 1536)
// smallest unit we care about is this many bytes
#define MEMUNIT 8
#define MEMBITS (MEMCLUMPSIZE / MEMUNIT)
#define MEMBITINTS (MEMBITS / 32)
+#define MEMCLUMP_SENTINEL 0xABADCAFE
+#endif
-#define MEMHEADER_SENTINEL 0xABADCAFE
-#define MEMCLUMP_SENTINEL 0xDEADF00D
+#define MEMHEADER_SENTINEL1 0xDEADF00D
+#define MEMHEADER_SENTINEL2 0xDF
typedef struct memheader_s
{
struct memheader_s *chain;
// pool this memheader belongs to
struct mempool_s *pool;
+#if MEMCLUMPING
// clump this memheader lives in, NULL if not in a clump
struct memclump_s *clump;
+#endif
// size of the memory after the header (excluding header and sentinel2)
int size;
// file name and line where Mem_Alloc was called
char *filename;
int fileline;
- // should always be MEMHEADER_SENTINEL
+ // should always be MEMHEADER_SENTINEL1
int sentinel1;
- // immediately followed by data, which is followed by another MEMHEADER_SENTINEL
+ // immediately followed by data, which is followed by a MEMHEADER_SENTINEL2 byte
}
memheader_t;
+#if MEMCLUMPING
typedef struct memclump_s
{
// contents of the clump
- byte block[MEMCLUMPSIZE];
+ qbyte block[MEMCLUMPSIZE];
// should always be MEMCLUMP_SENTINEL
int sentinel1;
// if a bit is on, it means that the MEMUNIT bytes it represents are
struct memclump_s *chain;
}
memclump_t;
+#endif
typedef struct mempool_s
{
// chain of individual memory allocations
struct memheader_s *chain;
+#if MEMCLUMPING
// chain of clumps (if any)
struct memclump_s *clumpchain;
+#endif
// total memory allocated in this pool (inside memheaders)
int totalsize;
// total memory allocated in this pool (actual malloc total)
extern mempool_t *zonemempool;
#define Z_Malloc(size) Mem_Alloc(zonemempool,size)
#define Z_Free(data) Mem_Free(data)
+
#endif
+