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/* Copyright (C) 2005-2018 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 <unistd.h>
#include <sys/param.h>
#ifdef HAVE_INLINED_SYSCALLS
# include <errno.h>
# include <sysdep.h>
#endif
ssize_t
__readlink_chk (const char *path, void *buf, size_t len, size_t buflen)
{
if (len > buflen)
__chk_fail ();
#ifdef HAVE_INLINED_SYSCALLS
return INLINE_SYSCALL (readlink, 3, path, buf, len);
#else
return __readlink (path, buf, len);
#endif
}
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