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add MALLOC_DEBUG_LEVEL environment variable support

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tomoron
2024-12-09 20:08:28 +01:00
parent 039d29f0d7
commit 9824c9d230
12 changed files with 205 additions and 19 deletions
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12
srcs/malloc_utils.c
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@ -6,7 +6,7 @@
/* By: tomoron <tomoron@student.42angouleme.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/12/03 18:44:32 by tomoron #+# #+# */
/* Updated: 2024/12/03 19:01:11 by tomoron ### ########.fr */
/* Updated: 2024/12/09 18:21:47 by tomoron ### ########.fr */
/* */
/* ************************************************************************** */
@ -22,6 +22,8 @@ t_mem_chunk *create_new_chunk(int is_small, t_mem_chunk **chunk, \
t_mem_chunk *new;
size_t mmap_size;
log_str("no suitable address found in previously allocated chunks, \
creating new chunk", 3 , 1 ,1);
if (is_small)
mmap_size = SMALL_CHUNK_SIZE;
else
@ -47,16 +49,22 @@ static t_alloc *get_suitable_addr_in_chunk_middle_end(size_t space_left, \
free_space = ((t_ul)tmp->next - (t_ul)tmp) - \
(tmp->size + sizeof(t_alloc));
if (free_space >= size + sizeof(t_alloc))
{
log_str("suitable address found between two alocations", 3, 1, 1);
return (reserve_addr(
(void *)((char *)tmp + tmp->size + sizeof(t_alloc)),
size, tmp, chunk));
}
space_left -= free_space;
tmp = tmp->next;
}
if (space_left >= size + sizeof(t_alloc))
{
log_str("suitable address found at the end of a chunk", 3, 1, 1);
return (reserve_addr(
(t_alloc *)((char *)tmp + tmp->size + sizeof(t_alloc)),
size, tmp, chunk));
}
return (0);
}
@ -72,6 +80,8 @@ t_alloc *get_suitable_addr_in_chunk(t_mem_chunk *chunk, size_t size)
tmp = chunk->first;
chunk->first = reserve_addr((void *)(chunk + 1), size, 0, chunk) - 1;
chunk->first->next = tmp;
log_str("suitable address found in the start of an already allocated \
chunk", 3, 1, 1);
return (chunk->first + 1);
}
return (get_suitable_addr_in_chunk_middle_end(space_lft, tmp, size, chunk));