xref: /llvm-project/libc/src/stdio/linux/rename.cpp (revision 7b663bd9179a205d5a65a34e447fbeffcb43c194)
1c04807c8Saniplcc //===-- Linux implementation of rename ------------------------------------===//
2c04807c8Saniplcc //
3c04807c8Saniplcc // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4c04807c8Saniplcc // See https://llvm.org/LICENSE.txt for license information.
5c04807c8Saniplcc // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6c04807c8Saniplcc //
7c04807c8Saniplcc //===----------------------------------------------------------------------===//
8c04807c8Saniplcc 
9c04807c8Saniplcc #include "src/stdio/rename.h"
10*7b663bd9SJob Henandez Lara #include "hdr/fcntl_macros.h"
11c04807c8Saniplcc #include "src/__support/OSUtil/syscall.h" // For internal syscall function.
12c04807c8Saniplcc #include "src/__support/common.h"
135ff3ff33SPetr Hosek #include "src/__support/macros/config.h"
14c04807c8Saniplcc #include "src/errno/libc_errno.h"
15c04807c8Saniplcc #include <sys/syscall.h> // For syscall numbers.
16c04807c8Saniplcc 
175ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL {
18c04807c8Saniplcc 
19c04807c8Saniplcc LLVM_LIBC_FUNCTION(int, rename, (const char *oldpath, const char *newpath)) {
206eff53b4SNick Desaulniers   int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_renameat2, AT_FDCWD, oldpath,
216eff53b4SNick Desaulniers                                               AT_FDCWD, newpath, 0);
22c04807c8Saniplcc 
23c04807c8Saniplcc   if (ret >= 0)
24c04807c8Saniplcc     return 0;
25c04807c8Saniplcc   libc_errno = -ret;
26c04807c8Saniplcc   return -1;
27c04807c8Saniplcc }
28c04807c8Saniplcc 
295ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL
30