thrieg/ft_malloc
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added support for MALLOC_PERTURB_ environment variable

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Thomas Rieg 2025-12-08 15:48:24 +01:00
parent 0fd85cf568
commit 6d84b2f72a
17 changed files with 453 additions and 404 deletions
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15
includes/ft_malloc.h
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@ -6,7 +6,7 @@
/* By: thrieg < thrieg@student.42mulhouse.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/11/17 15:06:51 by thrieg #+# #+# */
/* Updated: 2025/11/28 17:24:33 by thrieg ### ########.fr */
/* Updated: 2025/12/08 15:32:10 by thrieg ### ########.fr */
/* */
/* ************************************************************************** */
@ -45,17 +45,19 @@ typedef struct s_zone
typedef struct s_header
{
size_t size; // lock zone_mut
bool occupied; // lock zone_mut
size_t size; // lock
bool occupied; // lock
t_zone *zone;
char padding[8];
} t_header;
typedef struct s_state
{
t_zone *tiny_zone; // lock g_mut
t_zone *small_zone; // lock g_mut
t_zone *large_zone; // lock g_mut, 1 zone per alloc for large
t_zone *tiny_zone; // lock g_mut
t_zone *small_zone; // lock g_mut
t_zone *large_zone; // lock g_mut, 1 zone per alloc for large
unsigned char patern; // patern set in MALLOC_PERTURB_ environment variable (lock g_mut)
bool is_init;
} t_state;
extern t_state g_state;
@ -65,5 +67,6 @@ void *add_large(size_t size);
void *add_small(size_t size);
void *add_tiny(size_t size);
void *add_page(t_type type);
void init_env_variables();
#endif