diff --git a/srcs/free.c b/srcs/free.c
index 7512f60..e12aa29 100644
--- a/srcs/free.c
+++ b/srcs/free.c
@@ -6,18 +6,13 @@
 /*   By: tomoron <tomoron@student.42angouleme.fr>   +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/11/30 18:46:07 by tomoron           #+#    #+#             */
-/*   Updated: 2024/12/04 18:23:00 by tomoron          ###   ########.fr       */
+/*   Updated: 2024/12/04 18:52:39 by tomoron          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "includes/malloc.h"
 
-void invalid_pointer(char *fnc)
-{
-	(void)fnc;
-	write(2, fnc, ft_strlen(fnc));
-	write(2, "(): invalid pointer\n", 21);
-}
+void	invalid_pointer(char *fnc);
 
 t_mem_chunk	*get_alloc_chunk(t_alloc *alloc, t_mem_chunk *first, int is_small)
 {
@@ -52,8 +47,8 @@ int	get_prev_alloc(t_alloc **alloc, t_alloc **res, t_alloc *cur, char *fnc)
 			*res = cur;
 			return (1);
 		}
-		if ((cur->next > *alloc || cur->next == 0) && cur <= *alloc && ((t_ul)*alloc - \
-				(t_ul)cur) <= cur->size)
+		if ((cur->next > *alloc || cur->next == 0) && cur <= *alloc && \
+				((t_ul)(*alloc) - (t_ul)cur) <= cur->size)
 		{
 			*alloc = cur;
 			*res = prev;
diff --git a/srcs/realloc.c b/srcs/realloc.c
index 4aa8317..a3d65de 100644
--- a/srcs/realloc.c
+++ b/srcs/realloc.c
@@ -6,14 +6,15 @@
 /*   By: tomoron <tomoron@student.42angouleme.fr>   +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/12/02 14:41:22 by tomoron           #+#    #+#             */
-/*   Updated: 2024/12/04 17:22:37 by tomoron          ###   ########.fr       */
+/*   Updated: 2024/12/04 18:50:45 by tomoron          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "includes/malloc.h"
 
 t_mem_chunk	*get_alloc_chunk(t_alloc *alloc, t_mem_chunk *first, size_t size);
-int			get_prev_alloc(t_alloc **alloc, t_alloc **res, t_alloc *cur, char *fnc);
+int			get_prev_alloc(t_alloc **alloc, t_alloc **res, t_alloc *cur, \
+		char *fnc);
 
 static void	*realloc_recreate(t_alloc *alloc, size_t size)
 {
diff --git a/srcs/utils.c b/srcs/utils.c
index 09dd18c..8e85871 100644
--- a/srcs/utils.c
+++ b/srcs/utils.c
@@ -6,7 +6,7 @@
 /*   By: tomoron <tomoron@student.42angouleme.fr>   +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/12/03 13:20:54 by tomoron           #+#    #+#             */
-/*   Updated: 2024/12/03 13:23:31 by tomoron          ###   ########.fr       */
+/*   Updated: 2024/12/04 18:52:46 by tomoron          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -18,3 +18,9 @@ size_t	align(size_t nb, size_t align_nb)
 		nb = nb + (align_nb - (nb % align_nb));
 	return (nb);
 }
+
+void	invalid_pointer(char *fnc)
+{
+	write(2, fnc, ft_strlen(fnc));
+	write(2, "(): invalid pointer\n", 21);
+}