558f05fe21
[INTERPRETER] * BUG: Fix array and allocation management, so that allocating a byte array with a number of elements near the greatest integer does not crash anymore.
97 lines
3 KiB
C
97 lines
3 KiB
C
/***************************************************************************
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gb_array.h
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(c) 2000-2017 Benoît Minisini <g4mba5@gmail.com>
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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, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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***************************************************************************/
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#ifndef __GB_ARRAY_H
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#define __GB_ARRAY_H
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typedef
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struct {
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uint count;
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uint max;
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uint size;
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uint inc;
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}
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ARRAY;
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typedef
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int (*ARRAY_COMP_FUNC)(const void *, const void *);
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#define DATA_TO_ARRAY(data) ((ARRAY *)(data) - 1)
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#define ARRAY_TO_DATA(array) ((char *)((ARRAY *)(array) + 1))
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#define ARRAY_create(data) ARRAY_create_with_size((data), sizeof(**(data)), 32)
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#define ARRAY_create_inc(data, inc) ARRAY_create_with_size((data), sizeof(**(data)), (inc))
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void ARRAY_create_with_size(void *p_data, size_t size, uint inc);
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void ARRAY_delete(void *p_data);
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#define ARRAY_size(_data) (DATA_TO_ARRAY(_data)->size)
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#define ARRAY_count(_data) ((_data) ? DATA_TO_ARRAY(_data)->count : 0)
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void ARRAY_realloc(void *p_data);
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void *ARRAY_add_data(void *p_data, uint num, bool zero);
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void *ARRAY_add_data_one(void *p_data, bool zero);
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#define ARRAY_add_one(_pdata, _zero) \
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({ \
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ARRAY *__array = DATA_TO_ARRAY(*(_pdata)); \
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__typeof__(*(_pdata)) ptr; \
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int old_count = __array->count; \
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\
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__array->count++; \
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\
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if (__array->count <= __array->max) \
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{ \
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ptr = *(_pdata) + old_count; \
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} \
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else \
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{ \
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ARRAY_realloc(_pdata); \
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ptr = *(_pdata) + old_count; \
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} \
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if (_zero) memset(ptr, 0, sizeof(*ptr)); \
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ptr; \
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})
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#define ARRAY_add(_pdata) ARRAY_add_one(_pdata, FALSE)
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#define ARRAY_add_void(_pdata) ARRAY_add_one(_pdata, TRUE)
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#define ARRAY_add_size(_pdata) ARRAY_add_data_one(_pdata, FALSE)
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#define ARRAY_add_void_size(_pdata) ARRAY_add_data_one(_pdata, TRUE)
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#define ARRAY_add_many(_pdata, _num) ARRAY_add_data(_pdata, _num, FALSE)
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#define ARRAY_add_many_void(_pdata, _num) ARRAY_add_data(_pdata, _num, TRUE)
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//PUBLIC void *ARRAY_get(void *data, int pos);
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#define ARRAY_get(_data, _pos) ((char *)(_data) + DATA_TO_ARRAY(_data)->size * (_pos))
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void *ARRAY_insert_many(void *p_data, int pos, uint count);
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#define ARRAY_insert(_pdata, _pos) ARRAY_insert_many(_pdata, _pos, 1);
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void ARRAY_remove_many(void *p_data, int pos, uint count);
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#define ARRAY_remove(_pdata, _pos) ARRAY_remove_many(_pdata, _pos, 1);
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void ARRAY_remove_last(void *p_data);
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void ARRAY_qsort(void *data, ARRAY_COMP_FUNC cmp);
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#endif
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