30 lines · cpp
1//===-- Linux implementation of statvfs -----------------------------------===//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/statvfs.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, statvfs,18 (const char *__restrict path,19 struct statvfs *__restrict buf)) {20 using namespace statfs_utils;21 cpp::optional<LinuxStatFs> result = linux_statfs(path);22 if (result) {23 LIBC_ASSERT(buf != nullptr);24 *buf = statfs_to_statvfs(*result);25 }26 return result ? 0 : -1;27}28 29} // namespace LIBC_NAMESPACE_DECL30