- write_uint32_bigendian(world->seed, file);
- write_uint32_bigendian(world->turn, file);
- write_uint16_bigendian(world->player->pos.y + 1, file);
- write_uint16_bigendian(world->player->pos.x + 1, file);
- fputc(world->player->hitpoints, file);
- write_map_objects(world, world->monster, file);
- write_map_objects(world, world->item, file);
+ err = write_uint32_bigendian(world->seed, file);
+ err = err | write_uint32_bigendian(world->turn, file);
+ err = err | write_uint16_bigendian(world->player->pos.y + 1, file);
+ err = err | write_uint16_bigendian(world->player->pos.x + 1, file);
+ err = err | write_uint8(world->player->hitpoints, file);
+ err = err | write_map_objects(world, world->monster, file);
+ err = err | write_map_objects(world, world->item, file);
+ exit_err(err, world, "Error saving game.");