Removed useless code.

src/asset_manager.c

@@ -10,12 +10,6 @@
 
 int create_asset(asset_t *asset, va_list args)
 {
-    if(!asset)
-    {
-        error_printf("Failed to allocate memory : %d", errno);
-        return EXIT_FAILURE;
-    }
-
     asset->type = va_arg(args, asset_type_t);
     asset->nb_refs = 0;
 

src/ecs.c

@@ -6,12 +6,6 @@
 
 int create_component(component_t *component, va_list args)
 {
-    if(!component)
-    {
-        error_printf("Component cannot be NULL");
-        return EXIT_FAILURE;
-    }
-
     component->type = va_arg(args, component_type_t);
 
     switch(component->type)
@@ -41,12 +35,6 @@ int create_component(component_t *component, va_list args)
 
 inline int destroy_component(component_t *component)
 {
-    if(!component)
-    {
-        error_printf("Component cannot be NULL");
-        return EXIT_FAILURE;
-    }
-
     if(component->deleter(component)) return EXIT_FAILURE;
 
     return EXIT_SUCCESS;
@@ -54,12 +42,6 @@ inline int destroy_component(component_t *component)
 
 int create_entity(entity_t *entity, va_list args)
 {
-    if(!entity)
-    {
-        error_printf("Entity cannot be NULL");
-        return EXIT_FAILURE;
-    }
-
     entity->id = va_arg(args, size_t);
     entity->draw_priority = 0;
 
@@ -70,12 +52,6 @@ int create_entity(entity_t *entity, va_list args)
 
 inline int destroy_entity(entity_t *entity)
 {
-    if(!entity)
-    {
-        error_printf("Entity cannot be NULL");
-        return EXIT_FAILURE;
-    }
-
     if(linked_list_exit(&entity->components)) return EXIT_FAILURE;
 
     return EXIT_SUCCESS;
@@ -85,6 +61,7 @@ component_t *entity_new_component(entity_t *entity, component_type_t component_t
 {
     elem_t *component_elem = create_elem(&entity->components, component_type);
     if(!component_elem) return NULL;
+
     component_t *component = component_elem->data;
 
     component->entity = entity;
@@ -118,6 +95,7 @@ inline component_t *entity_get_component(const entity_t *entity, component_type_
 static inline int action_update_component(elem_t *elem, va_list args __attribute__((unused)))
 {
     component_t *component = elem->data;
+
     if(component->update(component)) return EXIT_FAILURE;
 
     return EXIT_SUCCESS;
@@ -135,6 +113,7 @@ inline int update_entity(entity_t *entity)
 static inline int action_draw_component(elem_t *elem, va_list args __attribute__((unused)))
 {
     component_t *component = elem->data;
+
     if(component->draw) if(component->draw(component)) return EXIT_FAILURE;
 
     return EXIT_SUCCESS;

src/headers/linked_list.h

@@ -258,7 +258,7 @@ elem_t *linked_list_get_if(const linked_list_t *linked_list, const condition_t c
  * @param condition     Condition to verify
  * @param ...           Argument to pass to the condition
  *
- * @return Pointer to element, NULL if no element verify the condition or if an error occurred.
+ * @return EXIT_SUCCESS, EXIT_FAILURE on error.
 */
 int linked_list_remove_if(linked_list_t *linked_list, const condition_t condition, ...);