/* -*-comment-start: "//";comment-end:""-*- * GNU Mes --- Maxwell Equations of Software * Copyright © 2019 Jan (janneke) Nieuwenhuizen * * This file is part of GNU Mes. * * GNU Mes is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or (at * your option) any later version. * * GNU Mes is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GNU Mes. If not, see . */ /** Commentary: Inspired by implementation in GNU C Library: _hurd_fd_read Copyright (C) 1993-2016 Free Software Foundation, Inc. */ #include #include #include #include error_t fd_read (mach_port_t port, void *buffer, size_t *read, loff_t offset) { char *data; error_t e = __io_read (port, &data, read, offset, *read); if (!e) memcpy (buffer, data, *read); return e; }