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/*
* Copyright (c) Medical Research Council 1994. All rights reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation for any purpose is hereby granted without fee, provided that
* this copyright and notice appears in all copies.
*
* This file was written by James Bonfield, Simon Dear, Rodger Staden,
* as part of the Staden Package at the MRC Laboratory of Molecular
* Biology, Hills Road, Cambridge, CB2 2QH, United Kingdom.
*
* MRC disclaims all warranties with regard to this software.
*/
/*
* File: array.h
* Version:
*
* Author:
* MRC Laboratory of Molecular Biology
* Hills Road
* Cambridge CB2 2QH
* United Kingdom
*
* Description:
*
* Created:
* Updated:
*
*/
#ifndef _ARRAY_H_
#define _ARRAY_H_
#include <stddef.h>
#include "xerror.h"
#define ARRAY_ERR_START 200
#define ARRAY_NO_ERROR 0
#define ARRAY_FULL (ARRAY_ERR_START + 0)
#define ARRAY_INVALID_ARGUMENTS (ARRAY_ERR_START + 1)
#define ARRAY_OUT_OF_MEMORY (ARRAY_ERR_START + 2)
#define aerr_set(e) ((e)?xerr_set((e), ArrayErrorString((e))):0)
typedef struct {
size_t size; /* element size */
size_t dim; /* allocated number of elements */
size_t max; /* elements accessed */
void *base; /* base address of array */
} ArrayStruct, *Array;
extern Array ArrayCreate(size_t size, size_t dim);
extern int ArrayExtend(Array a, size_t dim);
extern void *ArrayRef(Array a, size_t i);
extern int ArrayDestroy(Array a);
extern int ArrayConcat(Array a, Array b);
#define ArrayMax(a) ( (a)->max )
#define ArrayBase(t,a) ( (t *)((a)->base) )
/*
#define arr(t,a,n) \
(*(t*)((a)->base + (a)->size*(n)))
#define arrp(t,a,n) \
((t*)((a)->base + (a)->size*(n)))
*/
#define arr(t,a,n) \
((t*)((a)->base))[n]
#define ARR(t,a,n) \
(*((t*)ArrayRef((a),(n))))
#define arrp(t,a,n) \
&((t*)((a)->base))[n]
#define ARRP(t,a,n) \
((t*)ArrayRef(a,n))
extern char *ArrayErrorString(int error);
// Use as ArrayPush(Foo, int, 10);
#define ArrayPush(a,t,v) (*((t*)ArrayRef((a),ArrayMax((a))))=(v))
#endif /*_ARRAY_H_*/
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