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04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
/* Change the protections of file relative to open directory. Linux version.
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Copyright (C) 2006-2019 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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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <fcntl.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <alloca.h>
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#include <sysdep.h>
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int
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fchmodat (int fd, const char *file, mode_t mode, int flag)
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{
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if (flag & ~AT_SYMLINK_NOFOLLOW)
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return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
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#ifndef __NR_lchmod /* Linux so far has no lchmod syscall. */
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if (flag & AT_SYMLINK_NOFOLLOW)
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return INLINE_SYSCALL_ERROR_RETURN_VALUE (ENOTSUP);
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#endif
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return INLINE_SYSCALL (fchmodat, 3, fd, file, mode);
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}
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