diff --git a/inc/utils.h b/inc/utils.h
index d374f75..36087dc 100644
--- a/inc/utils.h
+++ b/inc/utils.h
@@ -6,7 +6,7 @@
 /*   By: whaffman <whaffman@student.codam.nl>         +#+                     */
 /*                                                   +#+                      */
 /*   Created: 2025/02/05 16:06:35 by whaffman      #+#    #+#                 */
-/*   Updated: 2025/02/05 16:23:21 by whaffman      ########   odam.nl         */
+/*   Updated: 2025/02/20 18:07:19 by whaffman      ########   odam.nl         */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -20,5 +20,10 @@ t_minishell	*init_minishell(void);
 void		print_banner(void);
 void		print_list(void *content);
 void		simple_builtins(t_minishell *minishell);
+void		error_msg(char *func, char *msg);
+void		check_malloc(void *ptr);
+char		*ft_strdup_safe(const char *str);
+char		*ft_strjoin_safe(const char *s1, const char *s2);
+void		*ft_malloc_safe(size_t size);
 
 #endif // UTILS_H
diff --git a/src/utils/check_malloc.c b/src/utils/check_malloc.c
new file mode 100644
index 0000000..a7ae1d5
--- /dev/null
+++ b/src/utils/check_malloc.c
@@ -0,0 +1,23 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        ::::::::            */
+/*   check_malloc.c                                     :+:    :+:            */
+/*                                                     +:+                    */
+/*   By: whaffman <whaffman@student.codam.nl>         +#+                     */
+/*                                                   +#+                      */
+/*   Created: 2025/02/20 18:00:10 by whaffman      #+#    #+#                 */
+/*   Updated: 2025/02/20 18:01:08 by whaffman      ########   odam.nl         */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+
+void check_malloc(void *ptr)
+{
+	if (ptr == NULL)
+	{
+		error_msg("malloc", "can't allocate memory");
+		exit(1);
+	}
+}
diff --git a/src/utils/error_msg.c b/src/utils/error_msg.c
new file mode 100644
index 0000000..bb985e4
--- /dev/null
+++ b/src/utils/error_msg.c
@@ -0,0 +1,34 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        ::::::::            */
+/*   error_msg.c                                        :+:    :+:            */
+/*                                                     +:+                    */
+/*   By: whaffman <whaffman@student.codam.nl>         +#+                     */
+/*                                                   +#+                      */
+/*   Created: 2025/02/20 17:03:13 by whaffman      #+#    #+#                 */
+/*   Updated: 2025/02/20 17:59:36 by whaffman      ########   odam.nl         */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+
+void	error_msg(char *func, char *msg)
+{
+	if (errno)
+		perror(RED BOLD "minishell" RESET);
+	else
+	{
+		ft_putstr_fd(RED BOLD "minishell" RESET ": ", 2);
+		if (func != NULL)
+		{
+			ft_putstr_fd(func, 2);
+			ft_putstr_fd(": ", 2);
+		}
+		if (msg != NULL)
+			ft_putstr_fd(msg, 2);
+		else
+			ft_putstr_fd("general error", 2);
+		ft_putstr_fd("\n", 2);
+	}
+}
diff --git a/src/utils/ft_malloc_safe.c b/src/utils/ft_malloc_safe.c
new file mode 100644
index 0000000..eeb6923
--- /dev/null
+++ b/src/utils/ft_malloc_safe.c
@@ -0,0 +1,22 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        ::::::::            */
+/*   ft_malloc_safe.c                                   :+:    :+:            */
+/*                                                     +:+                    */
+/*   By: whaffman <whaffman@student.codam.nl>         +#+                     */
+/*                                                   +#+                      */
+/*   Created: 2025/02/20 18:06:46 by whaffman      #+#    #+#                 */
+/*   Updated: 2025/02/20 18:07:00 by whaffman      ########   odam.nl         */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+void	*ft_malloc_safe(size_t size)
+{
+	void	*ptr;
+
+	ptr = malloc(size);
+	check_malloc(ptr);
+	return (ptr);
+}
diff --git a/src/utils/ft_strdup_safe.c b/src/utils/ft_strdup_safe.c
new file mode 100644
index 0000000..c0fe7fb
--- /dev/null
+++ b/src/utils/ft_strdup_safe.c
@@ -0,0 +1,22 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        ::::::::            */
+/*   ft_strdup_safe.c                                   :+:    :+:            */
+/*                                                     +:+                    */
+/*   By: whaffman <whaffman@student.codam.nl>         +#+                     */
+/*                                                   +#+                      */
+/*   Created: 2025/02/20 18:01:27 by whaffman      #+#    #+#                 */
+/*   Updated: 2025/02/20 18:04:53 by whaffman      ########   odam.nl         */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+char	*ft_strdup_safe(const char *str)
+{
+	char	*new_str;
+
+	new_str = ft_strdup(str);
+	check_malloc(new_str);
+	return (new_str);
+}
diff --git a/src/utils/ft_strjoin_safe.c b/src/utils/ft_strjoin_safe.c
new file mode 100644
index 0000000..27c8d0f
--- /dev/null
+++ b/src/utils/ft_strjoin_safe.c
@@ -0,0 +1,23 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        ::::::::            */
+/*   ft_strjoin_safe.c                                  :+:    :+:            */
+/*                                                     +:+                    */
+/*   By: whaffman <whaffman@student.codam.nl>         +#+                     */
+/*                                                   +#+                      */
+/*   Created: 2025/02/20 18:02:31 by whaffman      #+#    #+#                 */
+/*   Updated: 2025/02/20 18:04:23 by whaffman      ########   odam.nl         */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+char	*ft_strjoin_safe(const char *s1, const char *s2)
+{
+	char	*new_str;
+
+	new_str = ft_strjoin(s1, s2);
+	check_malloc(new_str);
+	return (new_str);
+}
+