mirror of https://gitlab.com/nakst/essence
70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
//
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// Copyright(C) 1993-1996 Id Software, Inc.
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// Copyright(C) 2005-2014 Simon Howard
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//
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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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//
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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. See the
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// GNU General Public License for more details.
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//
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// DESCRIPTION:
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// Zone Memory Allocation, perhaps NeXT ObjectiveC inspired.
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// Remark: this was the only stuff that, according
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// to John Carmack, might have been useful for
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// Quake.
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//
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#ifndef __Z_ZONE__
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#define __Z_ZONE__
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#include "essence/include.h"
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//
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// ZONE MEMORY
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// PU - purge tags.
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enum
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{
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PU_STATIC = 1, // static entire execution time
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PU_SOUND, // static while playing
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PU_MUSIC, // static while playing
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PU_FREE, // a free block
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PU_LEVEL, // static until level exited
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PU_LEVSPEC, // a special thinker in a level
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// Tags >= PU_PURGELEVEL are purgable whenever needed.
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PU_PURGELEVEL,
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PU_CACHE,
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// Total number of different tag types
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PU_NUM_TAGS
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};
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void Z_Init (void);
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void* Z_Malloc (size_t size, int tag, void *ptr);
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void Z_Free (void *ptr);
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void Z_FreeTags (int lowtag, int hightag);
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void Z_DumpHeap (int lowtag, int hightag);
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void Z_CheckHeap (void);
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void Z_ChangeTag2 (void *ptr, int tag, char *file, int line);
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void Z_ChangeUser(void *ptr, void **user);
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int Z_FreeMemory (void);
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unsigned int Z_ZoneSize(void);
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//
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// This is used to get the local FILE:LINE info from CPP
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// prior to really call the function in question.
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//
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#define Z_ChangeTag(p,t) \
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Z_ChangeTag2((p), (t), __FILE__, __LINE__)
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#endif
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