dynarr.h

#pragma message("touching: "__FILE__)
#include "common.h"

/*	Assuming MAXSEG is defined.
	Size of each block of the dynamic array.
	Must be a positive integer.*/
/*	Assuming DYNARR_TYPE is defined.
	The data type of the array. 
	Must be a valid one-word type without space, *, etc. (use typedef if necessary) 
	*/
#ifndef MAXSEG
#pragma message("MAXSEG must be defined before including " __FILE__)
#elif MAXSEG <= 0
#pragma message("MAXSEG has non positive value: " MAXSEG)
#elif !defined(DYNARR_TYPE)
#pragma message("DYNARR_TYPE must be defined before including " __FILE__)
#else
// everything is fine
#include "dynarr_freenodelist.h"
// declarations
// swap two integers, or pointers, without using temporary storage
__inline void int_swap(unsigned int *var1, unsigned int *var2)	{
	(*var1) = (*var1) ^ (*var2);
	(*var2) = (*var1) ^ (*var2);
	(*var1) = (*var1) ^ (*var2);
}
// external definitions for allocating/resizing blocks
extern int seg_bank_alloc_next();
extern int seg_bank_increase_max();



#define SEG_ARR_NAME				pSegArr
#define FREESEG_LIST_NAME			pFreeSegList
#define FREESEG_INVALID_LIST_NAME	pFreeSegInvalidList

#define SEG_INSERT_POS				iInsertPos

#define EMPTY_INDEX		0
#define EMPTY_BYTE		0
#define NULL_SEG	emptySeg
#define SEG_INSERT_POS_BEGIN	1

// Node blocks
#if _REGION_
// maximum number of segment banks
// this should be a very big number
// this number should never be reached
#define MAX_SEG_BANKS		INT_MAX

// array containing size (# of segments) of each segment bank
#define SEG_BANK_SIZE_ARR	pSegBankSizeArr

// array containing last valid index of each segment bank
#define SEG_BANK_INDEX_LIMIT_ARR	pSegBankIndexLimitArr

// Number of active segment banks
#define NUM_SEG_BANKS		NumSegBanks
#define CURRENT_SEG_BANK	(NUM_SEG_BANKS - 1)
// actual segment banks
#define SEG_BANKS_ARR		pSegBanksArr

// coordinates in the 2-D segment allocation
#define BANK_INDEX_FROM_SEG_INDEX(index)	\
	( ((unsigned int)(index)) >> LOG_MAXSEG )

#define BANK_FROM_SEG_INDEX(index)	SEG_BANKS_ARR[BANK_INDEX_FROM_SEG_INDEX(index)]
#define SLOT_FROM_SEG_INDEX(index)	(((unsigned int)(index)) & MAXSEG_REMAINDER_BITMASK)

// pointer to the segment
#define PTR_SEG_FROM_INDEX(index)	\
	(BANK_FROM_SEG_INDEX(index) + NUM_SEG_MEMBERS_IN_ARR * SLOT_FROM_SEG_INDEX(index) )
#endif


/* The dynamic array data structure */
struct TYPED_NAME(DynArr){
	int a;
};


#endif