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/****************************************************************************
* NCSA Mosaic for the X Window System *
* Software Development Group *
* National Center for Supercomputing Applications *
* University of Illinois at Urbana-Champaign *
* 605 E. Springfield, Champaign IL 61820 *
* mosaic@ncsa.uiuc.edu *
* *
* Copyright (C) 1993, Board of Trustees of the University of Illinois *
* *
* NCSA Mosaic software, both binary and source (hereafter, Software) is *
* copyrighted by The Board of Trustees of the University of Illinois *
* (UI), and ownership remains with the UI. *
* *
* The UI grants you (hereafter, Licensee) a license to use the Software *
* for academic, research and internal business purposes only, without a *
* fee. Licensee may distribute the binary and source code (if released) *
* to third parties provided that the copyright notice and this statement *
* appears on all copies and that no charge is associated with such *
* copies. *
* *
* Licensee may make derivative works. However, if Licensee distributes *
* any derivative work based on or derived from the Software, then *
* Licensee will (1) notify NCSA regarding its distribution of the *
* derivative work, and (2) clearly notify users that such derivative *
* work is a modified version and not the original NCSA Mosaic *
* distributed by the UI. *
* *
* Any Licensee wishing to make commercial use of the Software should *
* contact the UI, c/o NCSA, to negotiate an appropriate license for such *
* commercial use. Commercial use includes (1) integration of all or *
* part of the source code into a product for sale or license by or on *
* behalf of Licensee to third parties, or (2) distribution of the binary *
* code or source code to third parties that need it to utilize a *
* commercial product sold or licensed by or on behalf of Licensee. *
* *
* UI MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THIS SOFTWARE FOR *
* ANY PURPOSE. IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED *
* WARRANTY. THE UI SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY THE *
* USERS OF THIS SOFTWARE. *
* *
* By using or copying this Software, Licensee agrees to abide by the *
* copyright law and all other applicable laws of the U.S. including, but *
* not limited to, export control laws, and the terms of this license. *
* UI shall have the right to terminate this license immediately by *
* written notice upon Licensee's breach of, or non-compliance with, any *
* of its terms. Licensee may be held legally responsible for any *
* copyright infringement that is caused or encouraged by Licensee's *
* failure to abide by the terms of this license. *
* *
* Comments and questions are welcome and can be sent to *
* mosaic-x@ncsa.uiuc.edu. *
****************************************************************************/


typedef struct memory_struct {
int memoryType; /*type of chunk to use*/
char *memory; /*chunk(s) of memory*/
int sizeCnt; /*the number of chunks of size*/
int size; /*the size of _1_ chunk*/
int fullSize; /*the size * sizeCnt*/
int nextFree; /*the next free location (end of last allocation)*/
} mem_block;

int memSize[] = {
4096, /*Lex Tree*/
8192 /*Parse Tree*/
};


#define MEM_LEX 0
#define MEM_PARSE 1
#define MEM_MAX_ENTRY 2

#define MEM_ALIGN_2 2
#define MEM_ALIGN_4 4

#if defined(VMS) && defined(__DECC) && defined(__alpha) /* PGE */
#define MEM_ALIGN_8 8
#define MEM_ALIGN MEM_ALIGN_8
#else
#define MEM_ALIGN MEM_ALIGN_4
#endif

#define MEM_FAIL 0
#define MEM_SUCCEED 1

#define MEM_INDEX_SIZE(block) ((block)->fullSize/4) /*1/4 chunk size*/


void freeBlock(mem_block *block);
mem_block *allocateBlock(int type);
int reallocateBlock(mem_block *block);
void clearBlock(mem_block *block);
void *balloc(mem_block *block, int size);
int blockSize(mem_block *block);
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