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42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/* Copyright (C) 1994-2024 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, see
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<https://www.gnu.org/licenses/>. */
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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/term.h>
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#include <hurd/fd.h>
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/* Return the pathname of the terminal FD is open on, or NULL on errors.
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The returned storage is good only until the next call to this function. */
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char *
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ttyname (int fd)
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{
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error_t err;
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static char nodename[1024]; /* XXX */
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nodename[0] = '\0';
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if (err = HURD_DPORT_USE (fd, __term_get_nodename (port, nodename)))
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{
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if (err == MIG_BAD_ID || err == EOPNOTSUPP)
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err = ENOTTY;
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return __hurd_dfail (fd, err), NULL;
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}
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return nodename;
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}
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