diff options
Diffstat (limited to 'hurd/fd-read.c')
-rw-r--r-- | hurd/fd-read.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/hurd/fd-read.c b/hurd/fd-read.c deleted file mode 100644 index 361b96f969..0000000000 --- a/hurd/fd-read.c +++ /dev/null @@ -1,54 +0,0 @@ -/* Copyright (C) 1993-2017 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 - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <unistd.h> -#include <hurd.h> -#include <hurd/fd.h> -#include <string.h> - -error_t -_hurd_fd_read (struct hurd_fd *fd, void *buf, size_t *nbytes, loff_t offset) -{ - error_t err; - char *data; - mach_msg_type_number_t nread; - - error_t readfd (io_t port) - { - return __io_read (port, &data, &nread, offset, *nbytes); - } - - data = buf; - nread = *nbytes; - if (err = HURD_FD_PORT_USE (fd, _hurd_ctty_input (port, ctty, readfd))) - return err; - - if (data != buf) - { - if (nread > *nbytes) /* Sanity check for bogus server. */ - { - __vm_deallocate (__mach_task_self (), (vm_address_t) data, nread); - return EGRATUITOUS; - } - memcpy (buf, data, nread); - __vm_deallocate (__mach_task_self (), (vm_address_t) data, nread); - } - - *nbytes = nread; - return 0; -} |