1//===-- Linux implementation of rename ------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "src/stdio/rename.h"
10#include "hdr/fcntl_macros.h"
11#include "src/__support/OSUtil/syscall.h" // For internal syscall function.
12#include "src/__support/common.h"
13#include "src/__support/libc_errno.h"
14#include "src/__support/macros/config.h"
15#include <sys/syscall.h> // For syscall numbers.
16
17namespace LIBC_NAMESPACE_DECL {
18
19LLVM_LIBC_FUNCTION(int, rename, (const char *oldpath, const char *newpath)) {
20 int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_renameat2, AT_FDCWD, oldpath,
21 AT_FDCWD, newpath, 0);
22
23 if (ret >= 0)
24 return 0;
25 libc_errno = -ret;
26 return -1;
27}
28
29} // namespace LIBC_NAMESPACE_DECL
30

source code of libc/src/stdio/linux/rename.cpp