56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* find_block.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/07/10 17:40:12 by maiboyer #+# #+# */
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/* Updated: 2024/10/12 17:51:04 by rparodi ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "aq/internal_vg_funcs.h"
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#include "aq/melloc_interal.h"
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#include "me/types.h"
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static bool _find_chunk_of_size_inner(t_usize size, t_page_list *list, \
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t_chunk **chunk)
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{
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vg_mem_defined(*chunk, sizeof(**chunk));
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if (!(*chunk)->used && (*chunk)->size >= size)
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{
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vg_mem_no_access(*chunk, sizeof(**chunk));
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vg_mem_no_access(list, sizeof(*list));
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return (*chunk = split_block(*chunk, size), true);
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}
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vg_mem_no_access(*chunk, sizeof(**chunk));
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*chunk = get_next_block(*chunk, false);
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return (false);
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}
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t_chunk *find_chunk_of_size(struct s_allocator_melloc *alloc, t_usize size)
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{
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t_page_list *list;
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t_page_list *list_next;
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t_usize idx;
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t_chunk *chunk;
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list = alloc->list;
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while (list != NULL)
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{
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vg_mem_defined(list, sizeof(*list));
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idx = 0;
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while (idx < list->len)
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{
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chunk = get_first_block(&list->pages[idx++]);
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while (chunk)
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if (_find_chunk_of_size_inner(size, list, &chunk))
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return (chunk);
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}
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list_next = list->next;
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vg_mem_no_access(list, sizeof(*list));
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list = list_next;
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}
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return (NULL);
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}
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