I want to kill sheeps in minecraft with a sword

This commit is contained in:
Maieul BOYER 2024-05-12 17:14:25 +02:00
parent 4f1768b9e8
commit a779ccb768
No known key found for this signature in database
17 changed files with 488 additions and 268 deletions

View file

@ -10,3 +10,6 @@ src/vec/parser_range/parser_range_functions3.c
src/vec/reduce_action/reduce_action.c src/vec/reduce_action/reduce_action.c
src/vec/reduce_action/reduce_action_functions2.c src/vec/reduce_action/reduce_action_functions2.c
src/vec/reduce_action/reduce_action_functions3.c src/vec/reduce_action/reduce_action_functions3.c
src/vec/str/str.c
src/vec/str/str_functions2.c
src/vec/str/str_functions3.c

View file

@ -43,7 +43,7 @@ t_error vec_parser_heredoc_push(t_vec_parser_heredoc *vec, t_heredoc element)
new_capacity = (vec->capacity * 3) / 2 + 1; new_capacity = (vec->capacity * 3) / 2 + 1;
while (vec->len + 1 > new_capacity) while (vec->len + 1 > new_capacity)
new_capacity = (new_capacity * 3) / 2 + 1; new_capacity = (new_capacity * 3) / 2 + 1;
vec->buffer = me_realloc(vec->buffer, new_capacity); vec->buffer = me_realloc_array(vec->buffer, new_capacity, sizeof(t_heredoc));
vec->capacity = new_capacity; vec->capacity = new_capacity;
} }
vec->buffer[vec->len] = element; vec->buffer[vec->len] = element;
@ -63,7 +63,7 @@ t_error vec_parser_heredoc_reserve(t_vec_parser_heredoc *vec, t_usize wanted_cap
new_capacity = (vec->capacity * 3) / 2 + 1; new_capacity = (vec->capacity * 3) / 2 + 1;
while (wanted_capacity > new_capacity) while (wanted_capacity > new_capacity)
new_capacity = (new_capacity * 3) / 2 + 1; new_capacity = (new_capacity * 3) / 2 + 1;
vec->buffer = me_realloc(vec->buffer, new_capacity); vec->buffer = me_realloc_array(vec->buffer, new_capacity, sizeof(t_heredoc));
vec->capacity = new_capacity; vec->capacity = new_capacity;
} }
return (NO_ERROR); return (NO_ERROR);

View file

@ -43,7 +43,7 @@ t_error vec_parser_range_push(t_vec_parser_range *vec, t_parser_range element)
new_capacity = (vec->capacity * 3) / 2 + 1; new_capacity = (vec->capacity * 3) / 2 + 1;
while (vec->len + 1 > new_capacity) while (vec->len + 1 > new_capacity)
new_capacity = (new_capacity * 3) / 2 + 1; new_capacity = (new_capacity * 3) / 2 + 1;
vec->buffer = me_realloc(vec->buffer, new_capacity); vec->buffer = me_realloc_array(vec->buffer, new_capacity, sizeof(t_parser_range));
vec->capacity = new_capacity; vec->capacity = new_capacity;
} }
vec->buffer[vec->len] = element; vec->buffer[vec->len] = element;
@ -63,7 +63,7 @@ t_error vec_parser_range_reserve(t_vec_parser_range *vec, t_usize wanted_capacit
new_capacity = (vec->capacity * 3) / 2 + 1; new_capacity = (vec->capacity * 3) / 2 + 1;
while (wanted_capacity > new_capacity) while (wanted_capacity > new_capacity)
new_capacity = (new_capacity * 3) / 2 + 1; new_capacity = (new_capacity * 3) / 2 + 1;
vec->buffer = me_realloc(vec->buffer, new_capacity); vec->buffer = me_realloc_array(vec->buffer, new_capacity, sizeof(t_parser_range));
vec->capacity = new_capacity; vec->capacity = new_capacity;
} }
return (NO_ERROR); return (NO_ERROR);

View file

@ -43,7 +43,7 @@ t_error vec_reduce_action_push(t_vec_reduce_action *vec, t_reduce_action element
new_capacity = (vec->capacity * 3) / 2 + 1; new_capacity = (vec->capacity * 3) / 2 + 1;
while (vec->len + 1 > new_capacity) while (vec->len + 1 > new_capacity)
new_capacity = (new_capacity * 3) / 2 + 1; new_capacity = (new_capacity * 3) / 2 + 1;
vec->buffer = me_realloc(vec->buffer, new_capacity); vec->buffer = me_realloc_array(vec->buffer, new_capacity, sizeof(t_reduce_action));
vec->capacity = new_capacity; vec->capacity = new_capacity;
} }
vec->buffer[vec->len] = element; vec->buffer[vec->len] = element;
@ -63,7 +63,7 @@ t_error vec_reduce_action_reserve(t_vec_reduce_action *vec, t_usize wanted_capac
new_capacity = (vec->capacity * 3) / 2 + 1; new_capacity = (vec->capacity * 3) / 2 + 1;
while (wanted_capacity > new_capacity) while (wanted_capacity > new_capacity)
new_capacity = (new_capacity * 3) / 2 + 1; new_capacity = (new_capacity * 3) / 2 + 1;
vec->buffer = me_realloc(vec->buffer, new_capacity); vec->buffer = me_realloc_array(vec->buffer, new_capacity, sizeof(t_reduce_action));
vec->capacity = new_capacity; vec->capacity = new_capacity;
} }
return (NO_ERROR); return (NO_ERROR);

View file

@ -43,7 +43,7 @@ t_error vec_str_push(t_vec_str *vec, t_str element)
new_capacity = (vec->capacity * 3) / 2 + 1; new_capacity = (vec->capacity * 3) / 2 + 1;
while (vec->len + 1 > new_capacity) while (vec->len + 1 > new_capacity)
new_capacity = (new_capacity * 3) / 2 + 1; new_capacity = (new_capacity * 3) / 2 + 1;
vec->buffer = me_realloc(vec->buffer, new_capacity); vec->buffer = me_realloc_array(vec->buffer, new_capacity, sizeof(t_str));
vec->capacity = new_capacity; vec->capacity = new_capacity;
} }
vec->buffer[vec->len] = element; vec->buffer[vec->len] = element;
@ -63,7 +63,7 @@ t_error vec_str_reserve(t_vec_str *vec, t_usize wanted_capacity)
new_capacity = (vec->capacity * 3) / 2 + 1; new_capacity = (vec->capacity * 3) / 2 + 1;
while (wanted_capacity > new_capacity) while (wanted_capacity > new_capacity)
new_capacity = (new_capacity * 3) / 2 + 1; new_capacity = (new_capacity * 3) / 2 + 1;
vec->buffer = me_realloc(vec->buffer, new_capacity); vec->buffer = me_realloc_array(vec->buffer, new_capacity, sizeof(t_str));
vec->capacity = new_capacity; vec->capacity = new_capacity;
} }
return (NO_ERROR); return (NO_ERROR);

View file

@ -6,7 +6,7 @@
# By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ # # By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ #
# +#+#+#+#+#+ +#+ # # +#+#+#+#+#+ +#+ #
# Created: 2023/11/03 13:20:01 by maiboyer #+# #+# # # Created: 2023/11/03 13:20:01 by maiboyer #+# #+# #
# Updated: 2024/05/09 21:27:15 by maiboyer ### ########.fr # # Updated: 2024/05/12 17:13:38 by maiboyer ### ########.fr #
# # # #
# **************************************************************************** # # **************************************************************************** #

View file

@ -43,7 +43,7 @@ t_error vec_C__PREFIX___push(t_vec_C__PREFIX__ *vec, C__TYPENAME__ element)
new_capacity = (vec->capacity * 3) / 2 + 1; new_capacity = (vec->capacity * 3) / 2 + 1;
while (vec->len + 1 > new_capacity) while (vec->len + 1 > new_capacity)
new_capacity = (new_capacity * 3) / 2 + 1; new_capacity = (new_capacity * 3) / 2 + 1;
vec->buffer = me_realloc(vec->buffer, new_capacity); vec->buffer = me_realloc_array(vec->buffer, new_capacity, sizeof(C__TYPENAME__));
vec->capacity = new_capacity; vec->capacity = new_capacity;
} }
vec->buffer[vec->len] = element; vec->buffer[vec->len] = element;
@ -63,7 +63,7 @@ t_error vec_C__PREFIX___reserve(t_vec_C__PREFIX__ *vec, t_usize wanted_capacity)
new_capacity = (vec->capacity * 3) / 2 + 1; new_capacity = (vec->capacity * 3) / 2 + 1;
while (wanted_capacity > new_capacity) while (wanted_capacity > new_capacity)
new_capacity = (new_capacity * 3) / 2 + 1; new_capacity = (new_capacity * 3) / 2 + 1;
vec->buffer = me_realloc(vec->buffer, new_capacity); vec->buffer = me_realloc_array(vec->buffer, new_capacity, sizeof(C__TYPENAME__));
vec->capacity = new_capacity; vec->capacity = new_capacity;
} }
return (NO_ERROR); return (NO_ERROR);

View file

@ -6,7 +6,7 @@
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */ /* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */ /* +#+#+#+#+#+ +#+ */
/* Created: 2024/05/07 09:42:02 by maiboyer #+# #+# */ /* Created: 2024/05/07 09:42:02 by maiboyer #+# #+# */
/* Updated: 2024/05/07 09:43:31 by maiboyer ### ########.fr */ /* Updated: 2024/05/12 17:10:51 by maiboyer ### ########.fr */
/* */ /* */
/* ************************************************************************** */ /* ************************************************************************** */
@ -18,5 +18,6 @@
void *me_malloc(t_usize size); void *me_malloc(t_usize size);
void *me_calloc(t_usize elem_count, t_usize elem_size); void *me_calloc(t_usize elem_count, t_usize elem_size);
void *me_realloc(void *ptr, t_usize size); void *me_realloc(void *ptr, t_usize size);
void *me_realloc_array(void *ptr, t_usize elem_size, t_usize elem_count);
#endif /* ALLOC_H */ #endif /* ALLOC_H */

View file

@ -0,0 +1,34 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* alloc_dumb_internal.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/05/12 15:03:59 by maiboyer #+# #+# */
/* Updated: 2024/05/12 16:42:39 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef ALLOC_DUMB_INTERNAL_H
#define ALLOC_DUMB_INTERNAL_H
#include "me/types.h"
#define PTR_LENS 255
typedef struct s_ptr
{
void *ptr;
t_usize size;
} t_ptr;
typedef struct s_ptr_table
{
t_ptr table[PTR_LENS];
struct s_ptr_table *next;
} t_ptr_table;
t_ptr_table *get_table(void);
#endif /* ALLOC_DUMB_INTERNAL_H */

View file

@ -43,7 +43,7 @@ t_error vec_buf_str_push(t_vec_buf_str *vec, t_buffer_str element)
new_capacity = (vec->capacity * 3) / 2 + 1; new_capacity = (vec->capacity * 3) / 2 + 1;
while (vec->len + 1 > new_capacity) while (vec->len + 1 > new_capacity)
new_capacity = (new_capacity * 3) / 2 + 1; new_capacity = (new_capacity * 3) / 2 + 1;
vec->buffer = me_realloc(vec->buffer, new_capacity); vec->buffer = me_realloc_array(vec->buffer, new_capacity, sizeof(t_buffer_str));
vec->capacity = new_capacity; vec->capacity = new_capacity;
} }
vec->buffer[vec->len] = element; vec->buffer[vec->len] = element;
@ -63,7 +63,7 @@ t_error vec_buf_str_reserve(t_vec_buf_str *vec, t_usize wanted_capacity)
new_capacity = (vec->capacity * 3) / 2 + 1; new_capacity = (vec->capacity * 3) / 2 + 1;
while (wanted_capacity > new_capacity) while (wanted_capacity > new_capacity)
new_capacity = (new_capacity * 3) / 2 + 1; new_capacity = (new_capacity * 3) / 2 + 1;
vec->buffer = me_realloc(vec->buffer, new_capacity); vec->buffer = me_realloc_array(vec->buffer, new_capacity, sizeof(t_buffer_str));
vec->capacity = new_capacity; vec->capacity = new_capacity;
} }
return (NO_ERROR); return (NO_ERROR);

View file

@ -43,7 +43,7 @@ t_error vec_str_push(t_vec_str *vec, t_str element)
new_capacity = (vec->capacity * 3) / 2 + 1; new_capacity = (vec->capacity * 3) / 2 + 1;
while (vec->len + 1 > new_capacity) while (vec->len + 1 > new_capacity)
new_capacity = (new_capacity * 3) / 2 + 1; new_capacity = (new_capacity * 3) / 2 + 1;
vec->buffer = me_realloc(vec->buffer, new_capacity); vec->buffer = me_realloc_array(vec->buffer, new_capacity, sizeof(t_str));
vec->capacity = new_capacity; vec->capacity = new_capacity;
} }
vec->buffer[vec->len] = element; vec->buffer[vec->len] = element;
@ -63,7 +63,7 @@ t_error vec_str_reserve(t_vec_str *vec, t_usize wanted_capacity)
new_capacity = (vec->capacity * 3) / 2 + 1; new_capacity = (vec->capacity * 3) / 2 + 1;
while (wanted_capacity > new_capacity) while (wanted_capacity > new_capacity)
new_capacity = (new_capacity * 3) / 2 + 1; new_capacity = (new_capacity * 3) / 2 + 1;
vec->buffer = me_realloc(vec->buffer, new_capacity); vec->buffer = me_realloc_array(vec->buffer, new_capacity, sizeof(t_str));
vec->capacity = new_capacity; vec->capacity = new_capacity;
} }
return (NO_ERROR); return (NO_ERROR);

View file

@ -43,7 +43,7 @@ t_error vec_u8_push(t_vec_u8 *vec, t_u8 element)
new_capacity = (vec->capacity * 3) / 2 + 1; new_capacity = (vec->capacity * 3) / 2 + 1;
while (vec->len + 1 > new_capacity) while (vec->len + 1 > new_capacity)
new_capacity = (new_capacity * 3) / 2 + 1; new_capacity = (new_capacity * 3) / 2 + 1;
vec->buffer = me_realloc(vec->buffer, new_capacity); vec->buffer = me_realloc_array(vec->buffer, new_capacity, sizeof(t_u8));
vec->capacity = new_capacity; vec->capacity = new_capacity;
} }
vec->buffer[vec->len] = element; vec->buffer[vec->len] = element;
@ -63,7 +63,7 @@ t_error vec_u8_reserve(t_vec_u8 *vec, t_usize wanted_capacity)
new_capacity = (vec->capacity * 3) / 2 + 1; new_capacity = (vec->capacity * 3) / 2 + 1;
while (wanted_capacity > new_capacity) while (wanted_capacity > new_capacity)
new_capacity = (new_capacity * 3) / 2 + 1; new_capacity = (new_capacity * 3) / 2 + 1;
vec->buffer = me_realloc(vec->buffer, new_capacity); vec->buffer = me_realloc_array(vec->buffer, new_capacity, sizeof(t_u8));
vec->capacity = new_capacity; vec->capacity = new_capacity;
} }
return (NO_ERROR); return (NO_ERROR);

View file

@ -1,4 +1,5 @@
alloc/alloc alloc/alloc
alloc/alloc_dumb
alloc/alloc_get_page_from_bloc alloc/alloc_get_page_from_bloc
alloc/get_arena alloc/get_arena
blx/blx blx/blx

View file

@ -6,7 +6,7 @@
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */ /* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */ /* +#+#+#+#+#+ +#+ */
/* Created: 2024/05/07 10:13:06 by maiboyer #+# #+# */ /* Created: 2024/05/07 10:13:06 by maiboyer #+# #+# */
/* Updated: 2024/05/12 14:05:48 by maiboyer ### ########.fr */ /* Updated: 2024/05/12 15:02:27 by maiboyer ### ########.fr */
/* */ /* */
/* ************************************************************************** */ /* ************************************************************************** */
@ -24,59 +24,60 @@
void __libc_free(void *ptr); void __libc_free(void *ptr);
void *me_malloc(t_usize size) // void *me_malloc(t_usize size)
{ // {
t_mblock *block; // t_mblock *block;
void *ret; // void *ret;
//
size = usize_round_up_to(size, 16); // size = usize_round_up_to(size, 16);
printf("Allocating %zu.\n", size); // printf("Allocating %zu.\n", size);
block = get_block_for_size(size); // block = get_block_for_size(size);
if (block == NULL) // if (block
return (me_abort("Found no page for me_malloc"), NULL); // == NULL)
block->used = true; // return (me_abort("Found no page for me_malloc"), NULL);
ret = ((t_u8 *)block->page->data) + block->offset; // block->used = true;
mem_set_zero(ret, block->size); // ret = ((t_u8 *)block->page->data) + block->offset;
return (ret); // mem_set_zero(ret, block->size);
} // return (ret);
// }
void *me_calloc(t_usize elem_size, t_usize elem_count) //
{ // void *me_calloc(t_usize elem_size, t_usize elem_count)
if (elem_size != 0 && elem_count > SIZE_MAX / elem_size) // {
return (NULL); // if (elem_size != 0 && elem_count > SIZE_MAX / elem_size)
return (me_malloc(elem_size * elem_count)); // return (NULL);
} // return (me_malloc(elem_size * elem_count));
// }
void *me_realloc(void *ptr, t_usize new_size) //
{ // void *me_realloc(void *ptr, t_usize new_size)
t_mblock *block; // {
void *ret; // t_mblock *block;
// void *ret;
if (ptr == NULL) //
return (me_malloc(new_size)); // if (ptr == NULL)
block = get_block_from_ptr(ptr); // return (me_malloc(new_size));
if (block == NULL || block->size <= new_size) // block = get_block_from_ptr(ptr);
return (ptr); // if (block == NULL || block->size <= new_size)
if (!merge_next_block(block, new_size)) // return (ptr);
return (ptr); // if (!merge_next_block(block, new_size))
else // return (ptr);
{ // else
ret = me_malloc(new_size); // {
mem_copy(ret, ptr, block->size); // ret = me_malloc(new_size);
me_free(ptr); // mem_copy(ret, ptr, block->size);
return (ret); // me_free(ptr);
} // return (ret);
} // }
// }
void me_free(void *ptr) //
{ // void me_free(void *ptr)
t_mblock *cur; // {
// t_mblock *cur;
if (ptr == NULL) //
return; // if (ptr == NULL)
cur = get_block_from_ptr(ptr); // return;
if (cur == NULL) // cur = get_block_from_ptr(ptr);
return (me_abort("Invalid free (not allocated with me_*alloc)!")); // if (cur == NULL)
cur->used = false; // return (me_abort("Invalid free (not allocated with me_*alloc)!"));
merge_next_block(cur, ~0); // cur->used = false;
} // merge_next_block(cur, ~(t_usize)0);
// }

View file

@ -0,0 +1,140 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* alloc_dumb.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/05/12 15:02:37 by maiboyer #+# #+# */
/* Updated: 2024/05/12 17:09:41 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "me/alloc/alloc.h"
#include "me/alloc/alloc_dumb_internal.h"
#include "me/fs/putendl_fd.h"
#include "me/mem/mem_copy.h"
#include "me/mem/mem_set_zero.h"
#include <stdlib.h>
void *__libc_malloc(size_t size);
void __libc_free(void *ptr);
t_ptr_table *get_table(void)
{
static t_ptr_table *table = NULL;
if (table == NULL)
{
table = __libc_malloc(sizeof(*table));
if (table == NULL)
(me_putendl_fd("Failed to alloc ptr array", 2), exit(1));
mem_set_zero(table, sizeof(*table));
}
return (table);
}
t_ptr *find_ptr(void *ptr)
{
t_usize i;
t_ptr_table *t;
t = get_table();
i = 0;
while (t)
{
while (i < PTR_LENS)
{
if (t->table[i].ptr == ptr)
return (&t->table[i]);
i++;
}
t = t->next;
}
return (NULL);
}
void print_pages_info(void)
{
}
#include <stdio.h>
void *me_malloc(t_usize size)
{
t_ptr_table *table;
t_ptr *ret;
// printf("ALLOC %zu\n", size);
ret = find_ptr(NULL);
if (ret == NULL)
{
table = get_table();
while (table->next != NULL)
table = table->next;
table->next = __libc_malloc(size);
if (table->next == NULL)
(me_abort("Failed to alloc ptr array"));
mem_set_zero(table->next, sizeof(*table));
ret = &table->next->table[0];
}
ret->ptr = __libc_malloc(size);
if (ret->ptr == NULL)
me_abort("Failed to malloc!");
ret->size = size;
mem_set_zero(ret->ptr, size);
return (ret->ptr);
}
void *me_calloc(t_usize elem_count, t_usize elem_size)
{
// printf("CALLOC %zu * %zu\n", elem_count, elem_size);
if (elem_size != 0 && elem_count > SIZE_MAX / elem_size)
return (me_abort("calloc overflow!"), NULL);
return (me_malloc(elem_size * elem_count));
}
void *me_realloc(void *ptr, t_usize size)
{
t_ptr *p;
t_ptr tmp;
if (ptr == NULL)
return (me_malloc(size));
// printf("REALLOC %p %zu\n", ptr, size);
p = find_ptr(ptr);
if (p == NULL)
return (me_abort("realloc with wrong ptr"), NULL);
if (p->size >= size)
return (p->ptr);
tmp.size = size;
tmp.ptr = __libc_malloc(size);
if (tmp.ptr == NULL)
me_abort("failed to malloc...");
mem_copy(tmp.ptr, p->ptr, p->size);
__libc_free(p->ptr);
*p = tmp;
return (tmp.ptr);
}
void *me_realloc_array(void *ptr, t_usize elem_size, t_usize elem_count)
{
// printf("CALLOC %zu * %zu\n", elem_count, elem_size);
if (elem_size != 0 && elem_count > SIZE_MAX / elem_size)
return (me_abort("realloc_array overflow !"), NULL);
return (me_realloc(ptr, elem_size * elem_count));
}
void me_free(void *ptr)
{
t_ptr *p;
// printf("FREE\n");
p = find_ptr(ptr);
if (p != NULL)
{
__libc_free(p->ptr);
p->ptr = NULL;
p->size = 0;
}
}

View file

@ -6,7 +6,7 @@
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */ /* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */ /* +#+#+#+#+#+ +#+ */
/* Created: 2024/05/07 09:47:50 by maiboyer #+# #+# */ /* Created: 2024/05/07 09:47:50 by maiboyer #+# #+# */
/* Updated: 2024/05/12 14:03:55 by maiboyer ### ########.fr */ /* Updated: 2024/05/12 15:02:02 by maiboyer ### ########.fr */
/* */ /* */
/* ************************************************************************** */ /* ************************************************************************** */
@ -25,168 +25,167 @@
void *__libc_malloc(size_t size); void *__libc_malloc(size_t size);
void __libc_free(void *ptr); void __libc_free(void *ptr);
void free_ifn(void *ptr) //
{ // void free_ifn(void *ptr)
if (ptr != NULL) // {
__libc_free(ptr); // if (ptr != NULL)
} // __libc_free(ptr);
// }
t_mpage *alloc_page(t_usize size) //
{ // t_mpage *alloc_page(t_usize size)
t_mpage *page; // {
void *data; // t_mpage *page;
t_mblock *block; // void *data;
// t_mblock *block;
size = usize_round_up_to(size, PAGE_SIZE_DEFAULT); //
page = __libc_malloc(sizeof(t_mpage)); // size = usize_round_up_to(size, PAGE_SIZE_DEFAULT);
block = __libc_malloc(sizeof(t_mblock)); // page = __libc_malloc(sizeof(t_mpage));
data = __libc_malloc(size); // block = __libc_malloc(sizeof(t_mblock));
if (page == NULL || data == NULL || block == NULL || PAGE_SIZE_DEFAULT <= 0) // data = __libc_malloc(size);
return (free_ifn(page), free_ifn(data), free_ifn(block), NULL); // if (page == NULL || data == NULL || block == NULL ||
page->data = data; // PAGE_SIZE_DEFAULT <= (t_usize)0)
page->next = NULL; // return (free_ifn(page), free_ifn(data), free_ifn(block), NULL);
page->page_size = size; // page->data = data;
page->first = block; // page->next = NULL;
block->offset = 0; // page->page_size = size;
block->page = page; // page->first = block;
block->next = NULL; // block->offset = 0;
block->used = false; // block->page = page;
block->size = size; // block->next = NULL;
mem_copy(block->padding, BLOCK_PADDING, 7); // block->used = false;
return (page); // block->size = size;
} // mem_copy(block->padding, BLOCK_PADDING, 7);
// return (page);
t_mpage *get_head_arena(void) // }
{ //
static t_mpage *val = NULL; // t_mpage *get_head_arena(void)
// {
if (val == NULL) // static t_mpage *val = NULL;
{ //
val = alloc_page(PAGE_SIZE_DEFAULT); // if (val == NULL)
if (val == NULL) // {
(me_putstr_fd("Failed to alloc first page", 2), exit(1)); // val = alloc_page(PAGE_SIZE_DEFAULT);
} // if (val == NULL)
return (val); // (me_putstr_fd("Failed to alloc first page", 2), exit(1));
} // }
// return (val);
t_mblock *split_block(t_mblock *self, t_usize min_size) // }
{ //
t_usize remaining; // t_mblock *split_block(t_mblock *self, t_usize min_size)
t_mblock *old_next; // {
t_mblock *new_next; // t_usize remaining;
// t_mblock *new_next;
min_size = usize_round_up_to(min_size, 16); //
if (self->size > min_size) // min_size = usize_round_up_to(min_size, 16);
{ // if (self->size > min_size)
remaining = self->size - min_size; // {
new_next = __libc_malloc(sizeof(t_mblock)); // remaining = self->size - min_size - 1;
if (new_next == NULL) // new_next = __libc_malloc(sizeof(t_mblock));
return (me_abort("Failed to alloc block"), NULL); // if (new_next == NULL)
printf("splitting %zu into %zu and %zu\n", self->size, min_size, // return (me_abort("Failed to alloc block"), NULL);
remaining); // printf("splitting %zu into %zu and %zu\n", self->size, min_size,
self->size = min_size; // remaining);
old_next = self->next; // self->size = min_size;
new_next->page = self->page; // new_next->page = self->page;
new_next->next = old_next; // new_next->next = self->next;
new_next->offset = self->offset + self->size; // new_next->offset = self->offset + self->size + 1;
new_next->used = false; // new_next->used = false;
new_next->size = remaining; // new_next->size = remaining;
mem_copy(new_next->padding, BLOCK_PADDING, 7); // mem_copy(new_next->padding, BLOCK_PADDING, 7);
self->next = new_next; // self->next = new_next;
} // }
return (self); // return (self);
} // }
//
t_mblock *get_block_for_size(t_usize size) // t_mblock *get_block_for_size(t_usize size)
{ // {
t_mblock *last; // t_mblock *last;
t_mblock *cur; // t_mblock *cur;
//
last = NULL; // last = NULL;
cur = get_head_arena()->first; // cur = get_head_arena()->first;
printf("cur == %p\n", cur); // while (cur)
while (cur) // {
{ // if (cur->page == NULL)
if (cur->page == NULL) // me_abort("block doesn't have a page ?????");
me_abort("block doesn't have a page ?????"); // if (!cur->used && cur->size >= size)
if (!cur->used && cur->size >= size) // return (split_block(cur, size));
return (split_block(cur, size)); // last = cur;
last = cur; // cur = cur->next;
cur = cur->next; // }
} // if (last == NULL)
if (last == NULL) // return (NULL);
return (NULL); // last->page->next = alloc_page(size);
last->page->next = alloc_page(size); // if (last->page->next == NULL)
if (last->page->next == NULL) // me_abort("Failed to alloc page!");
me_abort("Failed to alloc page!"); // last->next = last->page->next->first;
last->next = last->page->next->first; // return (split_block(last->page->next->first, size));
return (split_block(last->page->next->first, size)); // }
} //
// t_mblock *get_block_from_ptr(void *ptr)
t_mblock *get_block_from_ptr(void *ptr) // {
{ // t_mpage *page;
t_mpage *page; // t_mblock *block;
t_mblock *block; //
// page = get_page_from_ptr(ptr);
page = get_page_from_ptr(ptr); // if (page == NULL)
if (page == NULL) // return (NULL);
return (NULL); // block = page->first;
block = page->first; // while (block && block->page == page)
while (block && block->page == page) // {
{ // if (((t_u8 *)page->data) + block->offset == (t_u8 *)ptr)
if ((t_u8 *)page->data + block->offset == (t_u8 *)ptr) // return (block);
return (block); // block = block->next;
block = block->next; // }
} // return (NULL);
return (NULL); // }
} //
// t_mpage *get_page_from_ptr(void *ptr)
t_mpage *get_page_from_ptr(void *ptr) // {
{ // t_mpage *page;
t_mpage *page; //
// page = get_head_arena();
page = get_head_arena(); // while (page)
while (page) // {
{ // if ((t_u8 *)page->data <= (t_u8 *)ptr &&
if ((t_u8 *)page->data <= (t_u8 *)ptr && // (t_u8 *)ptr < (((t_u8 *)page->data) + page->page_size))
(t_u8 *)ptr < ((t_u8 *)page->data + page->page_size)) // return (page);
return (page); // page = page->next;
page = page->next; // }
} // return (NULL);
return (NULL); // }
} //
// void print_pages_info(void)
void print_pages_info(void) // {
{ // t_mpage *page;
t_mpage *page; // t_i32 page_nb;
t_i32 page_nb; //
// page = get_head_arena();
page = get_head_arena(); // page_nb = 0;
page_nb = 0; // while (page != NULL)
while (page != NULL) // {
{ // me_putstr_fd("Page ", 2);
me_putstr_fd("Page ", 2); // me_putnbr_fd(page_nb++, 2);
me_putnbr_fd(page_nb++, 2); // me_putstr_fd(" with size ", 2);
me_putstr_fd(" with size ", 2); // me_putnbr_fd((t_i32)page->page_size, 2);
me_putnbr_fd((t_i32)page->page_size, 2); // me_putstr_fd("\n", 2);
me_putstr_fd("\n", 2); // page = page->next;
page = page->next; // }
} // }
} //
// bool merge_next_block(t_mblock *cur, t_usize min_size)
t_error merge_next_block(t_mblock *cur, t_usize min_size) // {
{ // t_mblock *next;
t_mblock *next; //
// if (cur->next != NULL && cur->page == cur->next->page && !cur->next->used &&
if (cur->next != NULL && cur->page == cur->next->page && !cur->next->used && // cur->size + cur->next->size >= min_size)
cur->size + cur->next->size >= min_size) // {
{ // cur->size += cur->next->size;
cur->size += cur->next->size; // next = cur->next;
next = cur->next; // cur->next = cur->next->next;
cur->next = cur->next->next; // printf("merging two blocks %p and %p\n", cur, cur->next);
printf("merging two blocks %p and %p\n", cur, cur->next); // __libc_free(next);
__libc_free(next); // return (NO_ERROR);
return (NO_ERROR); // }
} // return (ERROR);
return (ERROR); // }
}

View file

@ -6,45 +6,86 @@
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */ /* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */ /* +#+#+#+#+#+ +#+ */
/* Created: 2024/05/07 13:08:52 by maiboyer #+# #+# */ /* Created: 2024/05/07 13:08:52 by maiboyer #+# #+# */
/* Updated: 2024/05/12 14:07:28 by maiboyer ### ########.fr */ /* Updated: 2024/05/12 17:05:27 by maiboyer ### ########.fr */
/* */ /* */
/* ************************************************************************** */ /* ************************************************************************** */
#include "me/alloc/alloc_dumb_internal.h"
#include "me/alloc/alloc_internal.h" #include "me/alloc/alloc_internal.h"
#include "me/fs/putendl_fd.h" #include "me/fs/putendl_fd.h"
#include "me/fs/putnbr_fd.h" #include "me/fs/putnbr_fd.h"
#include "me/fs/putstr_fd.h"
#include "me/types.h" #include "me/types.h"
#include <stdlib.h> #include <stdlib.h>
void __libc_free(void *ptr); void __libc_free(void *ptr);
// void uninit_allocator(void)
// {
// t_mpage *page;
// void *tmp;
// t_mblock *block;
// t_usize count_block;
//
// page = get_head_arena();
// count_block = 0;
// block = page->first;
// while (block)
// {
// if (block->used)
// count_block += 1;
// tmp = block->next;
// __libc_free(block);
// block = tmp;
// }
// while (page)
// {
// tmp = page->next;
// __libc_free(page->data);
// __libc_free(page);
// page = tmp;
// }
// if (count_block != 0)
// (me_putnbr_fd(count_block, 2),
// me_putendl_fd(" Blocks weren't freed when exiting !", 2));
// }
void uninit_allocator(void)
{
t_ptr_table *table;
t_ptr_table *table_next;
t_usize i;
t_usize unfree_count;
unfree_count = 0;
table = get_table();
while (table)
{
i = 0;
while (i < PTR_LENS)
{
if (table->table[i].ptr != NULL)
{
__libc_free(table->table[i].ptr);
unfree_count++;
}
i++;
}
table_next = table->next;
__libc_free(table);
table = table_next;
}
if (unfree_count != 0)
{
me_putstr_fd("A total of ", 2);
me_putnbr_fd(unfree_count, 2);
me_putendl_fd(" blocks weren't freed !", 2);
}
}
void me_exit(t_i32 exit_code) void me_exit(t_i32 exit_code)
{ {
t_mpage *page; uninit_allocator();
void *tmp;
t_mblock *block;
t_usize count_block;
page = get_head_arena();
count_block = 0;
block = page->first;
while (block)
{
if (block->used)
count_block += 1;
tmp = block->next;
__libc_free(block);
block = tmp;
}
while (page)
{
tmp = page->next;
__libc_free(page->data);
__libc_free(page);
page = tmp;
}
if (count_block != 0)
(me_putnbr_fd(count_block, 2),
me_putendl_fd(" Blocks weren't freed when exiting !", 2));
exit(exit_code); exit(exit_code);
} }