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On both Linux and Hurd the __eloop_threshold() is always a constant (40 and 32 respectively), so there is no need to always call __sysconf (_SC_SYMLOOP_MAX) for Linux case (!SYMLOOP_MAX). To avoid a name clash with gnulib, rename the new file min-eloop-threshold.h. Checked on x86_64-linux-gnu and with a build for x86_64-gnu. Reviewed-by: DJ Delorie <dj@redhat.com>
34 lines
1.3 KiB
C
34 lines
1.3 KiB
C
/* Minimum threshold at which to diagnose ELOOP. Hurd version.
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Copyright (C) 2012-2025 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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#ifndef _MIN_ELOOP_THRESHOLD_H
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#define _MIN_ELOOP_THRESHOLD_H 1
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/* Return the maximum number of symlink traversals to permit
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before diagnosing ELOOP.
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In the Hurd version, here we are actually setting the only policy
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there is on the system. We use a literal number here rather than
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defining SYMLOOP_MAX so that programs don't compile in a number
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but instead use sysconf and the number can be changed here to
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affect sysconf's result. */
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#define MIN_ELOOP_THRESHOLD 32
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#endif
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