145 lines
5.1 KiB
C
145 lines
5.1 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef ZONE_H
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#define ZONE_H
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extern qboolean mem_bigendian;
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// div0: heap overflow detection paranoia
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#define MEMPARANOIA 0
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#define POOLNAMESIZE 128
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// if set this pool will be printed in memlist reports
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#define POOLFLAG_TEMP 1
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typedef struct memheader_s
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{
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// address returned by Chunk_Alloc (may be significantly before this header to satisify alignment)
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void *baseaddress;
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// next and previous memheaders in chain belonging to pool
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struct memheader_s *next;
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struct memheader_s *prev;
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// pool this memheader belongs to
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struct mempool_s *pool;
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// size of the memory after the header (excluding header and sentinel2)
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size_t size;
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// file name and line where Mem_Alloc was called
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const char *filename;
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int fileline;
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// should always be equal to MEMHEADER_SENTINEL_FOR_ADDRESS()
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unsigned int sentinel;
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// immediately followed by data, which is followed by another copy of mem_sentinel[]
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}
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memheader_t;
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typedef struct mempool_s
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{
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// should always be MEMPOOL_SENTINEL
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unsigned int sentinel1;
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// chain of individual memory allocations
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struct memheader_s *chain;
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// POOLFLAG_*
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int flags;
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// total memory allocated in this pool (inside memheaders)
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size_t totalsize;
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// total memory allocated in this pool (actual malloc total)
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size_t realsize;
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// updated each time the pool is displayed by memlist, shows change from previous time (unless pool was freed)
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size_t lastchecksize;
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// linked into global mempool list
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struct mempool_s *next;
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// parent object (used for nested memory pools)
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struct mempool_s *parent;
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// file name and line where Mem_AllocPool was called
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const char *filename;
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int fileline;
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// name of the pool
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char name[POOLNAMESIZE];
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// should always be MEMPOOL_SENTINEL
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unsigned int sentinel2;
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}
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mempool_t;
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#define Mem_Alloc(pool,size) _Mem_Alloc(pool, NULL, size, 16, __FILE__, __LINE__)
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#define Mem_Memalign(pool,alignment,size) _Mem_Alloc(pool, NULL, size, alignment, __FILE__, __LINE__)
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#define Mem_Realloc(pool,data,size) _Mem_Alloc(pool, data, size, 16, __FILE__, __LINE__)
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#define Mem_Free(mem) _Mem_Free(mem, __FILE__, __LINE__)
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#define Mem_CheckSentinels(data) _Mem_CheckSentinels(data, __FILE__, __LINE__)
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#define Mem_CheckSentinelsGlobal() _Mem_CheckSentinelsGlobal(__FILE__, __LINE__)
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#define Mem_AllocPool(name, flags, parent) _Mem_AllocPool(name, flags, parent, __FILE__, __LINE__)
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#define Mem_FreePool(pool) _Mem_FreePool(pool, __FILE__, __LINE__)
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#define Mem_EmptyPool(pool) _Mem_EmptyPool(pool, __FILE__, __LINE__)
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void *_Mem_Alloc(mempool_t *pool, void *data, size_t size, size_t alignment, const char *filename, int fileline);
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void _Mem_Free(void *data, const char *filename, int fileline);
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mempool_t *_Mem_AllocPool(const char *name, int flags, mempool_t *parent, const char *filename, int fileline);
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void _Mem_FreePool(mempool_t **pool, const char *filename, int fileline);
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void _Mem_EmptyPool(mempool_t *pool, const char *filename, int fileline);
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void _Mem_CheckSentinels(void *data, const char *filename, int fileline);
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void _Mem_CheckSentinelsGlobal(const char *filename, int fileline);
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// if pool is NULL this searches ALL pools for the allocation
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qboolean Mem_IsAllocated(mempool_t *pool, void *data);
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char* Mem_strdup (mempool_t *pool, const char* s);
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typedef struct memexpandablearray_array_s
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{
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unsigned char *data;
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unsigned char *allocflags;
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size_t numflaggedrecords;
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}
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memexpandablearray_array_t;
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typedef struct memexpandablearray_s
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{
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mempool_t *mempool;
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size_t recordsize;
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size_t numrecordsperarray;
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size_t numarrays;
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size_t maxarrays;
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memexpandablearray_array_t *arrays;
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}
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memexpandablearray_t;
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void Mem_ExpandableArray_NewArray(memexpandablearray_t *l, mempool_t *mempool, size_t recordsize, int numrecordsperarray);
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void Mem_ExpandableArray_FreeArray(memexpandablearray_t *l);
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void *Mem_ExpandableArray_AllocRecord(memexpandablearray_t *l);
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void Mem_ExpandableArray_FreeRecord(memexpandablearray_t *l, void *record);
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size_t Mem_ExpandableArray_IndexRange(const memexpandablearray_t *l) DP_FUNC_PURE;
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void *Mem_ExpandableArray_RecordAtIndex(const memexpandablearray_t *l, size_t index) DP_FUNC_PURE;
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// used for temporary allocations
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extern mempool_t *tempmempool;
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void Memory_Init (void);
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void Memory_Shutdown (void);
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void Memory_Init_Commands (void);
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extern mempool_t *zonemempool;
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#define Z_Malloc(size) Mem_Alloc(zonemempool,size)
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#define Z_Free(data) Mem_Free(data)
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extern struct cvar_s developer_memory;
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extern struct cvar_s developer_memorydebug;
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#endif
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