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/* Rename a file using relative source and destination names. Hurd version.
Copyright (C) 1991-2025 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 <stdio.h>
#include <hurd.h>
#include <hurd/fd.h>
/* Rename the file OLD relative to OLDFD to NEW relative to NEWFD. */
int
__renameat2 (int oldfd, const char *old, int newfd, const char *new,
unsigned int flags)
{
error_t err;
file_t olddir, newdir;
const char *oldname, *newname;
int excl = 0;
if ((flags & (RENAME_EXCHANGE | RENAME_NOREPLACE)) == (RENAME_EXCHANGE | RENAME_NOREPLACE))
return __hurd_fail (EINVAL);
if (flags & (RENAME_EXCHANGE | RENAME_WHITEOUT))
return __hurd_fail (ENOSYS);
if (flags & RENAME_NOREPLACE)
excl = 1;
olddir = __file_name_split_at (oldfd, old, (char **) &oldname);
if (olddir == MACH_PORT_NULL)
return -1;
if (!*oldname)
{
/* Trailing slash. */
__mach_port_deallocate (__mach_task_self (), olddir);
return __hurd_fail (ENOTDIR);
}
newdir = __file_name_split_at (newfd, new, (char **) &newname);
if (newdir == MACH_PORT_NULL)
{
__mach_port_deallocate (__mach_task_self (), olddir);
return -1;
}
if (!*newname)
{
/* Trailing slash. */
__mach_port_deallocate (__mach_task_self (), olddir);
__mach_port_deallocate (__mach_task_self (), newdir);
return __hurd_fail (ENOTDIR);
}
err = __dir_rename (olddir, oldname, newdir, newname, excl);
__mach_port_deallocate (__mach_task_self (), olddir);
__mach_port_deallocate (__mach_task_self (), newdir);
if (err)
return __hurd_fail (err);
return 0;
}
libc_hidden_def (__renameat2)
weak_alias (__renameat2, renameat2)
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