80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
/* array.h
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*
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* Copyright (C) 2010, 2012 Henrik Hautakoski <henrik@fiktivkod.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __ARRAY_H
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#define __ARRAY_H
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#include <stddef.h>
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/*
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* This macro should be used to define the array struct:
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* struct myarray ARRAY(struct element);
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*/
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#define ARRAY(type) \
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type *__items; \
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unsigned __nr;
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#define ARRAY_INIT { NULL, 0 }
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typedef void (array_clear_fn_t)(void*);
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typedef int (array_cmp_fn_t)(const void *, const void *b);
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/* public API */
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void* array_create(void);
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#define array_copy(a) __array_copy(a, array_ele_size(a))
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int array_destroy(void *arr);
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#define array_clear(a) __array_clear_fn(a, NULL, -1);
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#define array_clear_fn(a, fn) __array_clear_fn(a, fn, array_ele_size(a));
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#define array_insert(a, i) __array_insert(a, i, array_ele_size(a));
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#define array_remove(a, i) __array_remove(a, i, array_ele_size(a));
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#define array_reduce(a) __array_reduce(a, array_ele_size(a));
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#define array_has(a, i, fn) \
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(__array_lookup(a, i, fn, array_ele_size(a)) != NULL)
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#define array_size(a) ((a) ? (a)->nr : 0)
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#define array_ele_size(a) sizeof(*((a)->__items))
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#define array_isempty(a) (!(a) || (a)->nr == 0)
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#define array_foreach(a, i) \
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for(i = (a)->__items; \
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i < ((a)->__items + (a)->__nr); \
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i++)
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/* internal */
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void* __array_copy(void *__arr, unsigned n);
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void __array_clear_fn(void *__arr,
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array_clear_fn_t *fn, unsigned n);
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int __array_insert(void *__arr,
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const void *item, unsigned n);
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void* __array_remove(void *__arr, unsigned i, unsigned n);
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void* __array_reduce(void *__arr, unsigned n);
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void* __array_lookup(void *__arr, const void *item,
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array_cmp_fn_t *fn, unsigned n);
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int __array_indexof(void *__arr,
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const void *item, unsigned n);
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#endif /* __ARRAY_H */
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