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59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
/* Rename a file using relative source and destination names. Hurd version.
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Copyright (C) 1991-2023 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 <stdio.h>
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#include <hurd.h>
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#include <hurd/fd.h>
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/* Rename the file OLD relative to OLDFD to NEW relative to NEWFD. */
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int
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__renameat2 (int oldfd, const char *old, int newfd, const char *new,
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unsigned int flags)
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{
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error_t err;
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file_t olddir, newdir;
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const char *oldname, *newname;
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int excl = 0;
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if ((flags & (RENAME_EXCHANGE | RENAME_NOREPLACE)) == (RENAME_EXCHANGE | RENAME_NOREPLACE))
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return __hurd_fail (EINVAL);
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if (flags & (RENAME_EXCHANGE | RENAME_WHITEOUT))
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return __hurd_fail (ENOSYS);
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if (flags & RENAME_NOREPLACE)
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excl = 1;
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olddir = __directory_name_split_at (oldfd, old, (char **) &oldname);
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if (olddir == MACH_PORT_NULL)
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return -1;
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newdir = __directory_name_split_at (newfd, new, (char **) &newname);
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if (newdir == MACH_PORT_NULL)
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{
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__mach_port_deallocate (__mach_task_self (), olddir);
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return -1;
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}
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err = __dir_rename (olddir, oldname, newdir, newname, excl);
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__mach_port_deallocate (__mach_task_self (), olddir);
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__mach_port_deallocate (__mach_task_self (), newdir);
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if (err)
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return __hurd_fail (err);
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return 0;
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}
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libc_hidden_def (__renameat2)
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weak_alias (__renameat2, renameat2)
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