33 lines · cpp
1//===-- Linux implementation of fchmodat ----------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/sys/stat/fchmodat.h"10 11#include "src/__support/OSUtil/syscall.h" // For internal syscall function.12#include "src/__support/common.h"13 14#include "src/__support/libc_errno.h"15#include "src/__support/macros/config.h"16#include <sys/stat.h>17#include <sys/syscall.h> // For syscall numbers.18 19namespace LIBC_NAMESPACE_DECL {20 21LLVM_LIBC_FUNCTION(int, fchmodat,22 (int dirfd, const char *path, mode_t mode, int flags)) {23 int ret =24 LIBC_NAMESPACE::syscall_impl<int>(SYS_fchmodat, dirfd, path, mode, flags);25 if (ret < 0) {26 libc_errno = -ret;27 return -1;28 }29 return 0;30}31 32} // namespace LIBC_NAMESPACE_DECL33