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io/linkat.c
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Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
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/* Copyright (C) 2005-2026 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 <https://www.gnu.org/licenses/>. */ #include <errno.h> #include <fcntl.h> #include <stddef.h> #include <unistd.h> /* Make a link to FROM relative to FROMFD called TO relative to TOFD. */ int linkat (int fromfd, const char *from, int tofd, const char *to, int flags) { if (from == NULL || to == NULL) { __set_errno (EINVAL); return -1; } if ((tofd != AT_FDCWD && tofd < 0 && *to != '/') || (fromfd != AT_FDCWD && fromfd < 0 && *from != '/')) { __set_errno (EBADF); return -1; } __set_errno (ENOSYS); return -1; } stub_warning (linkat)