ref: 3e27f1b2d0d8f020e9d3509934736ee9055b8c31
dir: /src/z_zone.h/
/* Copyright (C) 1994-1995 Apogee Software, Ltd. Copyright (C) 2002-2015 icculus.org, GNU/Linux port Copyright (C) 2017-2018 Steven LeVesque 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. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ //*************************************************************************** // // Z_Zone Memory management Constants // //*************************************************************************** #ifndef _z_zone_public #define _z_zone_public extern int lowmemory; // tags < 100 are not overwritten until freed #define PU_STATIC 1 // static entire execution time #define PU_GAME 20 // static until game completed #define PU_LEVELSTRUCT 49 // start of static until level exited #define PU_LEVEL 50 // start of static until level exited #define PU_LEVELEND 51 // end of static until level exited // tags >= 100 are purgable whenever needed #define PU_PURGELEVEL 100 #define PU_CACHE 101 #define PU_CACHEWALLS 155 #define PU_CACHESPRITES 154 #define PU_CACHEBJWEAP 153 #define PU_CACHEACTORS 152 #define PU_CACHESOUNDS 120 #define PU_FLAT 102 #define PU_PATCH 103 #define PU_TEXTURE 104 #define URGENTLEVELSTART PU_LEVEL //*************************************************************************** // // Z_ZONE.C - Carmack's Memory manager for protected mode // //*************************************************************************** extern int zonememorystarted; void Z_Init (int size, int min); // Starts up Memory manager (size is in bytes), (min is minimum requirement) void Z_Free (void *ptr); // Free a pointer in Z_Zone's domain void *Z_Malloc (int size, int tag, void *user); // Malloc You can pass a NULL user if the tag is < PU_PURGELEVEL void *Z_LevelMalloc (int size, int tag, void *user); // Level Malloc for level structures void Z_FreeTags (int lowtag, int hightag); // Free a series of memory tags void Z_DumpHeap (int lowtag, int hightag); // Dump the heap (for debugging purposes) void Z_CheckHeap (void); // Check the heap for corruption void Z_ChangeTag (void *ptr, int tag); // Change the tag of a memory item int Z_HeapSize ( void ); // Return the total heap size int Z_UsedHeap ( void ); // Return used portion of heap size int Z_AvailHeap ( void ); // Returns largest available contiguous block int Z_UsedStaticHeap ( void ); // Returns amount of heap which is static ( < PURGELEVEL ) void Z_ShutDown( void ); int Z_GetSize (void *ptr); int Z_UsedLevelHeap ( void ); void Z_Realloc (void ** ptr, int newsize); #endif