malloc begin

inc/ft_malloc.h

@@ -1,10 +1,20 @@
 #ifndef FT_MALLOC_H
 # define FT_MALLOC_H
 
-# include <stdlib.h>
+# include <stddef.h>
+# include <stdint.h>
 
-void	free(void *ptr);
-void	*malloc(size_t size);
-void	*realloc(void *ptr, size_t size);
+typedef struct 		s_header
+{
+	struct s_header	*next;
+	size_t			size;
+} 					t_header;
+
+static t_header		base;
+static t_header		*freep = NULL;
+
+void				free(void *ptr);
+void				*malloc(size_t size);
+void				*realloc(void *ptr, size_t size);
 
 #endif

src/malloc.c

@@ -1,7 +1,21 @@
 #include "ft_malloc.h"
 
-void	*malloc(size_t size)
+t_header	*morecore(size_t size)
 {
 	(void)size;
 	return NULL;
+}
+
+void	*malloc(size_t size)
+{
+	t_header	*p;
+	t_header	*prevp;
+	size_t		nunits;
+
+	nunits = (size + sizeof(t_header) - 1) / (sizeof(t_header) + 1);
+	if ((prevp = freep) == NULL)
+	{
+		base.next = freep = prevp = &base;
+		base.size = 0;
+	}
 }