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 "include/llvm-libc-macros/linux/fcntl-macros.h"
11#include "src/__support/OSUtil/syscall.h" // For internal syscall function.
12#include "src/__support/common.h"
13#include "src/errno/libc_errno.h"
14#include <sys/syscall.h> // For syscall numbers.
15
16namespace LIBC_NAMESPACE {
17
18LLVM_LIBC_FUNCTION(int, rename, (const char *oldpath, const char *newpath)) {
19 int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_renameat2, AT_FDCWD, ts: oldpath,
20 AT_FDCWD, ts: newpath, ts: 0);
21
22 if (ret >= 0)
23 return 0;
24 libc_errno = -ret;
25 return -1;
26}
27
28} // namespace LIBC_NAMESPACE
29

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