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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/* Copyright (C) 1993,94,95,97,99 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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#include <unistd.h>
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#include <hurd.h>
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#include <hurd/fd.h>
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#include <string.h>
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error_t
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_hurd_fd_read (struct hurd_fd *fd, void *buf, size_t *nbytes, off_t offset)
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{
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error_t err;
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char *data;
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mach_msg_type_number_t nread;
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error_t readfd (io_t port)
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{
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return __io_read (port, &data, &nread, offset, *nbytes);
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}
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data = buf;
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if (err = HURD_FD_PORT_USE (fd, _hurd_ctty_input (port, ctty, readfd)))
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return err;
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if (data != buf)
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{
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memcpy (buf, data, nread);
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__vm_deallocate (__mach_task_self (), (vm_address_t) data, nread);
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}
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*nbytes = nread;
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return 0;
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}
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