mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-24 02:03:35 +08:00
d6da5cb6a8
The implementation falls back to renameat if renameat2 is not available in the kernel (or in the kernel headers) and the flags argument is zero. Without kernel support, a non-zero argument returns EINVAL, not ENOSYS. This mirrors what the kernel does for invalid renameat2 flags.
31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
/* Generic implementation of the renameat function.
|
|
Copyright (C) 2018 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
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
|
|
int
|
|
renameat2 (int oldfd, const char *old, int newfd, const char *new,
|
|
unsigned int flags)
|
|
{
|
|
if (flags == 0)
|
|
return __renameat (oldfd, old, newfd, new);
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|