array_insert, array_remove

array.c

@@ -55,3 +55,26 @@ void array_pop(array_t* array, void* src)
         array_resize(array, array->count - 1);
     }
 }
+
+void array_insert(array_t* array, uint idx, const void* data)
+{
+    array_resize(array, array->count + 1);
+    uint move = array->count - idx - 1;
+    if (move)
+    {
+        cu_memmove(array_at(array, idx + 1),
+            array_at(array, idx), move*array->size);
+    }
+    cu_memcpy(array_at(array, idx), data, array->size);
+}
+
+void array_remove(array_t* array, uint idx)
+{
+    uint move = array->count - idx - 1;
+    if (move)
+    {
+        cu_memmove(array_at(array, idx),
+            array_at(array, idx + 1), move*array->size);
+    }
+    array_resize(array, array->count - 1);
+}

array.h

@@ -25,5 +25,7 @@ void array_resize(array_t* array, uint newCount);
 
 void array_push(array_t* array, const void* data);
 void array_pop(array_t* array, void* src);
+void array_insert(array_t* array, uint idx, const void* data);
+void array_remove(array_t* array, uint idx);
 
 #endif

test.c

@@ -37,7 +37,9 @@ int main()
         uint num = i;
         array_push(&array, &i);
     }
-    array_pop(&array, NULL);
+    uint num = 42;
+    array_remove(&array, 0);
+    array_insert(&array, 1, &num);
 
     CU_ARRAY_FOREACH(&array)
     {