/* Read block from given position in file without changing file pointer. Hurd version. Copyright (C) 2001-2022 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #include <errno.h> #include <unistd.h> #include <hurd/fd.h> #include <not-cancel.h> ssize_t __pread64_nocancel (int fd, void *buf, size_t nbytes, off64_t offset) { error_t err; if (offset < 0) err = EINVAL; else err = HURD_FD_USE (fd, _hurd_fd_read (descriptor, buf, &nbytes, offset)); return err ? __hurd_dfail (fd, err) : nbytes; } libc_hidden_weak (__pread64_nocancel)