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52a1f1814e
`revoke' is MISC only, it should not be exposed along `unlockpt' which is XOPEN. * include/unistd.h (__revoke): New declaration. * misc/revoke.c (revoke): Rename to __revoke, and redefine as weak alias. * sysdeps/mach/hurd/revoke.c (revoke): Likewise. * sysdeps/unix/bsd/unlockpt.c (unlockpt): Use __revoke instead of revoke.
37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/* Copyright (C) 1998-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
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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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<http://www.gnu.org/licenses/>. */
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#include <paths.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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/* Unlock the slave pseudo terminal associated with the master pseudo
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terminal specified by FD. */
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int
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unlockpt (int fd)
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{
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char buf[sizeof (_PATH_TTY) + 2];
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/* BSD doesn't have a lock, but it does have `revoke'. */
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if (__ptsname_r (fd, buf, sizeof (buf)))
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return -1;
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return __revoke (buf);
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}
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