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7ae60af75b
Non-at functions can be implemented by just calling the corresponding at function with AT_FDCWD and zero at_flags. In the linkat case, the at behavior is different (O_NOLINK), so this introduces __linkat_common to pass O_NOLINK as appropriate. lstat functions can also be implemented with fstatat by adding __fstatat64_common which takes a flags parameter in addition to the at_flags parameter, In the end this factorizes chmod, chown, link, lstat64, mkdir, readlink, rename, stat64, symlink, unlink, utimes. This also makes __lstat, __lxstat64, __stat and __xstat64 directly use __fstatat64_common instead of __lstat64 or __stat64.
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/* Copyright (C) 2000-2022 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 <stddef.h>
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#include <sys/stat.h>
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#include <hurd.h>
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#include <shlib-compat.h>
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#include <fstatat_common.h>
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#if LIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_33)
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/* Get information about the file descriptor FD in BUF. */
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int
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__xstat64 (int vers, const char *file, struct stat64 *buf)
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{
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if (vers != _STAT_VER)
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return __hurd_fail (EINVAL);
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return __fstatat64_common (AT_FDCWD, file, buf, 0, 0);
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}
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#endif
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