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-exception
6//
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/sys/statvfs/linux/statfs_utils.h"
13
14namespace LIBC_NAMESPACE {
15
16LLVM_LIBC_FUNCTION(int, fstatvfs, (int fd, struct statvfs *buf)) {
17 using namespace statfs_utils;
18 cpp::optional<LinuxStatFs> result = linux_fstatfs(fd);
19 if (result) {
20 LIBC_ASSERT(buf != nullptr);
21 *buf = statfs_to_statvfs(*result);
22 }
23 return result ? 0 : -1;
24}
25
26} // namespace LIBC_NAMESPACE
27

source code of libc/src/sys/statvfs/linux/fstatvfs.cpp