improve gexit with init function and add basic mlx image gestion

srcs/mem/g_alloc_free_exit.c

@@ -0,0 +1,94 @@
+#include "cube3d.h"
+
+/*
+ * gexit_init
+ *
+ */
+
+//-------------------------------
+// gexit function
+//-------------------------------
+typedef void(*func_to_gexit)(void*);
+
+typedef struct		s_exit
+{
+	func_to_gexit	f;
+	void			*param;
+}					t_exit;
+
+
+t_exit	**exit_func()
+{
+	static t_exit	*texit = NULL;
+
+	if (!texit)
+		texit = gmalloc(sizeof(t_exit));
+	return (&texit);
+}
+
+void	gexit_init(void(*f)(void*), void *param)
+{
+	t_exit	**texit;
+
+	texit = exit_func();
+	(*texit)->param = param;
+	(*texit)->f = f;
+}
+
+//-------------------------------
+// allocation list
+//-------------------------------
+t_list	**alloc_lst()
+{
+	static t_list	*lst = NULL;
+
+	return (&lst);
+}
+
+//-------------------------------
+// alloc, free, exit functions
+//-------------------------------
+void	*gmalloc(size_t size)
+{
+	void	*tmp;
+	t_list	**lst;
+
+	lst = alloc_lst();
+	tmp = ft_memalloc(size);
+	if (!tmp)
+		gexit(B_RED"failed allocation element"RESET"\n");
+	if (!ft_lstpush_back(lst, ft_lstcreate(tmp)))
+		gexit(B_RED"failed allocation list of alocated address"RESET"\n");
+	return (tmp);
+}
+
+static int	comp_addr(void *to_find, void *to_compare)
+{
+	return (to_find == to_compare);
+}
+
+void	gfree(void *addr)
+{
+	t_list	**lst;
+	t_list	*tmp;
+
+	lst = alloc_lst();
+	tmp = ft_lstfind((*lst), addr, comp_addr);
+	if (!tmp)
+		ft_putstr_fd(B_RED"failed free element"RESET"\n", 2);
+	ft_lsterase(tmp, free);
+}
+
+void	gexit(char *str)
+{
+	t_list	**lst;
+	t_exit	**texit;
+
+	lst = alloc_lst();
+	texit = exit_func();
+	if ((*texit)->f)
+		(*texit)->f((*texit)->param);
+	ft_putstr_fd(str, 2);
+	ft_lstfree((*lst), free);
+	exit(0);
+}