/* * Copyright (c) 2018-2020, Andreas Kling * * SPDX-License-Identifier: BSD-2-Clause */ #include #include namespace Kernel { KResultOr Process::sys$get_dir_entries(int fd, Userspace user_buffer, size_t user_size) { VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this); REQUIRE_PROMISE(stdio); if (user_size > NumericLimits::max()) return EINVAL; auto description = fds().file_description(fd); if (!description) return EBADF; auto buffer = UserOrKernelBuffer::for_user_buffer(user_buffer, static_cast(user_size)); if (!buffer.has_value()) return EFAULT; auto result = description->get_dir_entries(buffer.value(), user_size); if (result.is_error()) return result.error(); else return result.release_value(); } }