changment dans basic.c et dans double.c

Chains_across_the_Island/Fundamentals/double/double.c

@@ -20,13 +20,19 @@ struct dlist *dlist_append(struct dlist *l, int e)
 
 int dlist_insert(struct dlist **l, size_t index, int e)
 {
-    struct dlist *tmp = *l;
+    if(!l) return 1;
+
+    struct dlist *new_node = malloc(sizeof(struct dlist));
+    if(!new_node) return 1;
+
+    //struct dlist *tmp = *l;
 
     if(index == 0){ 
         dlist_append(*l, e);
         return 0;
     }
 
+    struct dlist *tmp = *l;
     size_t ind = 0;
     while(tmp != NULL && ind < index - 1){
 
@@ -36,8 +42,8 @@ int dlist_insert(struct dlist **l, size_t index, int e)
 
     if(!tmp) return 1;
 
-    struct dlist *new_node = malloc(sizeof(struct dlist));
-    if(!new_node) return 1;
+    //struct dlist *new_node = malloc(sizeof(struct dlist));
+    //if(!new_node) return 1;
 
     new_node->data = e;
     new_node->next = tmp;