28 lines · cpp
1//===-- Linux implementation of fstatvfs ----------------------------------===//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/statvfs/fstatvfs.h"10#include "src/__support/common.h"11#include "src/__support/libc_assert.h"12#include "src/__support/macros/config.h"13#include "src/sys/statvfs/linux/statfs_utils.h"14 15namespace LIBC_NAMESPACE_DECL {16 17LLVM_LIBC_FUNCTION(int, fstatvfs, (int fd, struct statvfs *buf)) {18 using namespace statfs_utils;19 cpp::optional<LinuxStatFs> result = linux_fstatfs(fd);20 if (result) {21 LIBC_ASSERT(buf != nullptr);22 *buf = statfs_to_statvfs(*result);23 }24 return result ? 0 : -1;25}26 27} // namespace LIBC_NAMESPACE_DECL28