code cleanup

3 files changed, 10 insertions, 4 deletions

diff --git a/arraylist.c b/arraylist.c
index a8cebb0..cb23e94 100644
--- a/arraylist.c
+++ b/arraylist.c
@@ -91,6 +91,8 @@ ArrayList_growIfNeeded(struct ArrayList *arrayList)
 
                 assert(arrayList->array);
         }
+
+        assert(arrayList->capacity > arrayList->size);
 }
 
 void
@@ -111,7 +113,9 @@ ArrayList_insertAt(struct ArrayList *arrayList, size_t idx, T *ptr)
 
         ArrayList_growIfNeeded(arrayList);
 
-        memmove(&arrayList->array[idx + 1], &arrayList->array[idx], (arrayList->size - idx) * sizeof(arrayList->array[0]));
+        memmove(&arrayList->array[idx + 1],
+                &arrayList->array[idx],
+                (arrayList->size - idx) * sizeof(arrayList->array[0]));
         arrayList->array[idx] = ptr;
         ++arrayList->size;
 }
@@ -152,7 +156,9 @@ ArrayList_removeAt(struct ArrayList *arrayList, size_t idx, void clear_func(T *,
         }
 
 #if defined(ARRAYLIST_KEEP_ORDER)
-        memmove(&arrayList->arrayList[idx], &arrayList->arrayList[idx + 1], (arrayList->size - (idx + 1)) * sizeof(arrayList->arrayList[0]));
+        memmove(&arrayList->arrayList[idx],
+                &arrayList->arrayList[idx + 1],
+                (arrayList->size - (idx + 1)) * sizeof(arrayList->arrayList[0]));
 #else
         arrayList->array[idx] = arrayList->array[arrayList->size - 1];
 #endif
diff --git a/insertsort b/insertsort
new file mode 100755
index 0000000..32576ac
--- /dev/null
+++ b/insertsort
diff --git a/stack.c b/stack.c
index f594775..162324e 100644
--- a/stack.c
+++ b/stack.c
@@ -47,10 +47,10 @@ stack_push(struct stack *stack, T data)
 bool
 stack_pop(struct stack *stack, T *data)
 {
-        if ( stack->head != NULL ) {
+        if ( stack->head ) {
                 struct stack_item *next = stack->head->next;
 
-                if ( data != NULL ) {
+                if ( data ) {
                         *data = stack->head->data;
                 }
                 free(stack->head);