32 lines · cpp
1//===-- Linux implementation of fchown ------------------------------------===//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/unistd/fchown.h"10 11#include "src/__support/OSUtil/syscall.h" // For internal syscall function.12#include "src/__support/common.h"13 14#include "hdr/types/gid_t.h"15#include "hdr/types/uid_t.h"16#include "src/__support/libc_errno.h"17#include "src/__support/macros/config.h"18#include <sys/syscall.h> // For syscall numbers.19 20namespace LIBC_NAMESPACE_DECL {21 22LLVM_LIBC_FUNCTION(int, fchown, (int fildes, uid_t owner, gid_t group)) {23 int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_fchown, fildes, owner, group);24 if (ret < 0) {25 libc_errno = -ret;26 return -1;27 }28 return 0;29}30 31} // namespace LIBC_NAMESPACE_DECL32